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Friday 7 September 2007

Diamond Information

The Diamond is the birthstone of April and the anniversary gemstone for the 10th and 60th years of marriage. Diamonds were discovered in India in 500 B.C., and the name "diamond" comes from the Greek word "Adamas" which means unconquerable - suggesting the eternity of love. Since ancient Greece, diamonds and diamond jewelry have been the traditional symbol of love, and the ancients believed they were hardened dew drops, splinters from the stars or crystallized lightning. A diamond is the hardest substance known to humankind, and is made of a crystallized carbon that has unique powers of light reflection. Since diamonds are composed of a single element, they are the purest of all gemstones.


The Structure of a Diamond
Proportion refers to the angles and relative measurements of a polished diamond. More than any other feature, proportions determine a diamond's optical properties. Studies have shown that table size, crown angle, and pavilion depth have a dramatic effect on a diamond's appearance.

Symmetry is a grading term for the exactness of shape and placement of facets. Variations in symmetry include off-center culets and tables, poor facet alignment, misshapen facets, out-of-round girdles, and wavy girdles.


Reflection Refraction Dispersion

A) When a ray of light touches the surface of a diamond, part of the light is reflected back, this is external reflection.

B) The rest of the ray penetrates the stone and is then reflected toward the center of the diamond. This is known as refraction.

C) The ray of light is reflected to the surface, where it is seen as the colors of the spectrum. This is known as dispersion.



The Value of a Diamond: The Four C's

Shape (Cut)

The Cut is the factor that determines the brilliance of a diamond. A classic round brilliant cut diamond has 58 facets : 33 on the top, 24 on the bottom, and the culet (1 point at the bottom). Each of the diamond's facets must be placed in exact geometric relation to one another when the stone is being cut. Quality diamonds must be properly cut and not "spread", which means that the proper proportions are compromised to make the diamond weigh more.

Clarity

Diamond Clarity
The Clarity of a diamond is based on the number, location, size, and type of inclusions found in the stone. An inclusion is an imperfection or trace mineral in the stone that is visible under the magnification of a jeweler's loupe. The fewer inclusions the diamond has; the clearer, more brilliant and more expensive the diamond will be. A "Flawless" diamond is one that has no inclusions and is extremely rare and valuable.


COLOR

Colorless and near-colorless diamonds are the most valuable. Though most diamonds may appear colorless to the naked eye, the majority of diamonds contain slight traces of yellow or light brown when viewed under a jeweler's loupe. Depending on the stone's size, a single increase in color grade can boost the value of a diamond by thousands of dollars per carat. A traditional engagement diamond is usually colorless or near-colorless.

In nature, diamonds can also occur in shades of red, pink, blue, green and deep yellow - These are called "Fancy diamonds". In the United States and around the world colorless diamonds are graded on an alphabetical scale, introduced by the Gemological Institute of America (GIA). "Colorless" or "rare white" diamonds are of color grades D, E and F. Diamonds of color grade D are very rare, and extremely valuable.


Carat Weight

The weight of a diamond is measured in carats (ct.). Each carat is divided into 100 points. For example: 1ct.= 100 points, 1/2 ct. = 50 points. Points in a fraction are measured within acceptable ranges. For example: a 1/2 ct diamond pendant may have a range of + or - .06 points. In other words, the total diamond weight may vary from .44 to .56 points and still be considered a 1/2 carat. Here are the most popular carat fractions and their approximate decimal equivalents:
1/10 - .08 - .12
1/5 - .17 - .23
1/4 - .21 - .29
1/3 - .27 - .39
1/2 - .44 - .56
3/4 - .69 - .81
1.0 - .94 - 1.06
11/4 - 1.18 - 1.32
11/2 - 1.43 - 1.57
The carat weight alone is almost meaningless unless you also consider the cut, clarity and color of the diamond. A large diamond is not very valuable if it lacks brilliance, purity and high-grade color. However, since larger stones are rarer than smaller ones, diamond value rises exponentially with carat weight. Therefore, a diamond weighing 3.0 carats, will always be worth more than three 1.0 carat stones of the same quality. No two diamonds are exactly alike, and you must weigh all of the factors - color, cut, clarity and carat weight - when making your diamond jewelry buying decision.


Diamond Jewelry Collection

Jewelry Central is pleased to present high quality Diamond Jewelry in classic and modern styles: rings, earrings, necklaces and pendants.

14k Gold Diamond Stud Earrings (I/H-I, 1/4 ct. tw.)
14k White Gold Three-Stone Diamond Drop Pendant
14k Gold Four-Prong Princess Cut Diamond Solitaire Pendant (SI/H-I, 1/4 ct. tw.)
14k White Gold "I Love You" Diamond Band (1/4 ct. tw.)
14k Gold Diamond Solitaire Ring (SI/H-I, 1/4 ct. tw.)
18k Gold Three-Stone Diamond Ring

TOP JEWELRY TRENDS

Here are the top trends in jewelry design, according to industry experts:

    Diamond
  • Stars and astral themes, animal and nature themes.
  • Soft, fluid shapes and small stones.
  • Playing around with different textures and finishes.
  • More white gold or silver jewelry, especially mixed with yellow gold.
  • Flush setting. Once a designer only fashion, now it’s everywhere.
    Gold
  • Nature-inspired designs in 14k and 18k.
  • Earrings dangling with balls, beads, strands or fringes.
  • Colors and textures, especially with enamel and colored gems.
  • Multiple strand links and combination bangle/link bracelets.
    Pearl
  • Mabe earrings.
  • High-quality Chinese freshwater pearls, mostly in twists.
  • Jewelry using one South Sea pearl as a focal point, especially necklaces of gold or gold wire, with diamonds or colored stones.
  • Blister pearls used in pendants and brooches.
  • Longer strands (32 to 80), most often in baroque pearls to offer more affordability.
  • Pearl bracelets with two to five strands, with and without gold bars.
    Gemstone
  • Cabochons — now so popular that facet-quality material is being cut cabochon.
  • Cabs in unusual shapes such as tongue, sugarloaf or bullet, double cabs and various outline shapes.
  • Pink gold jewelry with gemsstones.
  • ‘60s colors, especially peridot, as a result of strong yellow-green in the fashion color palette in recent years.
  • More widespread use of materials such as agates and chalcedony due to growing consumer acceptance and a need for lower price points.
  • Color combinations as a design element.
    Platinum
  • Platinum and 18k gold combinations.
  • Different finishes: polished matte and etched.
  • An increase of affordable platinum mesh jewelry.
    Silver
  • Neo-Victorian Jewelry; i.e. delicate designs, oxidized silver, cameos and intaglios.
  • Western, Native Americas themes.
  • Scatter pins, cufflinks.
  • Textured, matte silver with 14k, 18k, 22 and 24k gold accents.
  • Silver jewelry and pearls.
  • Belt buckles. Jewelry designers are entering the silver belt buckle market very successfully.
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Jewelry Articles

PINS, BRACELETS AND RINGS.


Pins, bracelets and rings depend less on the size and shape of the wearer than do necklaces and earrings. Virtually any woman can find something that will fit. But, as with all jewelry or clothing, hard-and-fast rules are anything but, and the most important element is proportion. For rings, consider the size and shape of your hands. Large rings for large women and small rings for small women. But what if you want exactly the opposite?

Try to find a delicate style of ring in a design proportion that doesn’t get lost on a heavy hand; try to get a scaled-down but still dramatic version of a ring for a petite hand. For a woman with ugly knuckles, a fairly simple ring that does not call attention to your presentation will do. And consider the skin tone when selecting metals and gemstones.

Bracelets flatter just about every woman if they fit correctly. A large-wristed woman needs a larger bracelet that moves freely. Incidentally, a few dramatic bracelets are a terrific, elegant way for a large woman to accessorize for cocktails or an evening dinner. A petite woman may be able to carry off dramatic bracelets, as long as they don’t fall off. Nothing detracts as much from the look of a bracelet as the need to keep fiddling with it all day.

Pins, however, are probably the one jewelry accessory any woman can wear anywhere. Simply by moving or turning the same pin, a woman can get a different look, draw the eye to a different place or make a different statement. Metal and gemstone colors should be considered, but are less crucial than in other types of jewelry because the wearer can move a pin farther from her face or other part of her body.

Tips: Wedding Jewelry

For the Bride

The bride's jewelry, along with her other accessories, as a general rule should reflect the formality of the wedding celebration. A small, informal wedding calls for simple jewelry, while a large, formal wedding calls for more elaborate jewelry.

The style of the bridal gown also plays a major roll in the selection of jewelry. Many of today's most popular gowns are strapless or have low necklines. This is a perfect style to showcase a wonderful necklace and earrings. Gowns with high necklines may be better of to forgo the necklace and concentrate on the perfect earrings.

As a general rule to more glitter and detailing on the gown the simpler the jewelry, while a more plain gown can support more decorative selections.

Necklace Length

The various lengths of necklaces include the, choker, the collar, princess, matinee, and opera lengths. In general you may want to follow these guidelines in selection of the necklace length to best flatter your gowns neckline:

The Choker: One to three strands worn close around the neck is the most classic version and works well with a jewel or bateau neckline. If too much skin is showing it may get lost.

The Collar: Made up of three or more strands that fit securely around the middle neck. This Victorian style looks lovely with a plunging or strapless neckline.

The Princess: Perfect for strapless gowns, this length falls below the hollow of the neck in front -- perfect support for a pendant. This style is most often 16" looks great with almost every bridal gown neckline, except a high neckline.

The Matinee: Longer than the Princess but shorter than the Opera, this style hits the top of the bust and looks great with a bateau, jewel, or a lower neckline with sheer fabric covering the décolletage area. It shouldn't hit the top of the dress because then the necklace and the dress are fighting for attention.

The Opera: This long single strand falls below the bust and looks classic with a very high neckline. Not often a good choice for bridal gowns or bridesmaid dresses.

Other things to consider
  • Keep your earrings simple if your necklace is large or grand.
  • Bracelets can be worn with sleeveless, short-sleeve, and three-quarter sleeve gowns. It is possible to combine a bracelet with gloves as a dramatic accessory worn over tight-fitted gloves, but not many feel comfortable with this look.
  • A watch can be worn if it is an unusual antique or family heirloom, but most watches are not appropriate wedding jewelry for the bride or the bridesmaids.
Choice of Earring

Keep this in mind when selecting earring styles:

  • A button earring accentuates a round face.
  • A dangle earring widens a narrow face.
  • A squared earring adds interest to a long face.
  • If you are wearing a Tiara you may not want to wear earrings.
  • If you are not wearing a necklace you may want your earrings to be larger. It is all a matter of balance.
Wearing a Tiara

Want to feel like a princess?! Spend your special day crowned by a glittering tiara. But consider keeping the other jewelry simple, small pearl earrings and a simple necklace or let your tiara be the point of focus and leave off any extra jewelry.

Appropriate Jewelry for Bridesmaids

Most bridesmaid ensembles can be enhanced with earrings and perhaps a necklace or bracelet. All bridesmaids should wear jewelry that is the same color and style. It can match or contrast with the color of the dress. We recommend that you keep the bridal party jewelry simple, yet elegant. Jewelry is a great gift for the bride to consider giving her bridesmaid, and maid of honor and by doing so you can control the total look the day of the wedding.

The Type of Jewelry Most Often Selected For Weddings

Brides have worn pearls for centuries as a symbol of purity and perfection. In ancient Rome, the pearl was the ultimate symbol of wealth and social standing, while the ancient Greeks associated the pearl with love, marriage, and unrivaled beauty. The Greeks also believed the pearl would promote marital harmony.

Today's modern brides often includes rhinestones, diamonds faux diamonds, sometimes called CZ's, crystals, gemstones and or a combination of them all in their wedding jewelry. It's really a matter of personal style and budget.

The important thing is to make sure your jewelry does not over power the dress and that the color works with the gown. For example a white bridal gown looks best with white pearls and silver. An ivory gown looks better with ivory pearls and gold. A pale pink or beige tone gown looks best with ivory and gold accents or faux gemstones that match or are slightly lighter. Rhinestones, crystals, diamonds, or faux diamonds (CZs) can work with all gown colors but it is best to use a silver setting with white and a gold setting with other gown colors. Of course, all rules are made to be broken so what makes you feel the most
special

Handmade jewelry

Handmade jewelry is that which is crafted by hand, just as jewelry has been since it was very first created by humans. Unlike modern machine-made jewelry, no two pieces of handmade jewelry - even of the same design - will be identical.

Many artists who handmake jewelry use no pre-made or fabricated parts at all, even creating their own findings, such as ear hoops and hooks, brooch pins, clasps and more. But, the term handmade includes all jewelry where assembly is done by hand, regardless of whether the designer uses pre-fabricated parts. What makes handmade jewelry special is not only that so much care is put into the creation of each piece but also that each design will be original and unique.

Much handmade jewelry is created using age-old metalsmithing techniques such as forging, raising, chasing, soldering and more to create complex forms in various types of precious and other metals. Metals may also be etched, engraved or coloured using a wide variety of techniques.

However, a great deal of handmade jewelry is created without utilising even these techniques. Instead many jewelry makers create pieces entirely by hand with the assistance of basic hand tools, for instance wrapping gemstones and beads in wire or creating simple strands of beads for necklaces or bracelets.

Handmade jewelry makers utilize many types of metals and gemstones in their work, from goldbronze, diamonds to cubic zirconia. Many contemporary jewelry artists make use of even more diverse materials such as paper, textiles, plastics and much more. to

Jewelry made by the world's most renowned independent goldsmiths, desginers and gem carvers now competes with major brands as a way to distinguish oneself. While even the most simple handmade jewelry is competing with cheap mass-produced jewelry because of its uniqueness and often the originality of the designers.

There are several big awards that particularly recognise jewelry designers who create and design their own jewelry. Awards that particularly recognise such designers are the "American Gem Trade Association"; the "BundesVerband der Edelstein und Diamantindustrie" in Gem Center Idar Oberstein, and even the "De Beers Awards" are handed sometimes exclusive handmade jewelry designs.


Wednesday 5 September 2007

New List of gemstones

A number of gemstones have gained fame, either because of their size and beauty or because of the people who owned or wore them. A list of famous gemstones follows

  • Aquamarines
  • Diamonds
  • Emeralds
  • Opals
  • Pearl
  • Ruby
  • Sapphires
  • Spinels
  • Topaz
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Aquamarines

-The Giant Aquamarine

Diamonds
A number of large or extraordinarily colored diamonds have gained fame, both as exquisite examples of the beautiful nature of diamonds, and because of the famous people who wore, bought, and sold them. A partial list of famous diamonds in history follows.

  • The Allnatt Diamond, a large Fancy Vivid Yellow diamond
  • The Centenary Diamond, the world's largest colorless (grade D), flawless diamond
  • The Cullinan Diamond, the largest rough gem-quality diamond ever found at 3106.75 carats (621.35 g). It was cut into 105 diamonds including the Cullinan I or the Great Star of Africa, 530.2 carats (106.04 g), and the Cullinan II or the Lesser Star of Africa, 317.4 carats (63.48 g).
  • The Darya-ye Noor Diamond, the best known diamond of the Iranian Crown Jewels
  • The Deepdene, widely considered to be the largest irradiated diamond in the world
  • The De Young Red Diamond, the third-largest known Fancy Vivid Red
  • The Dresden Green Diamond - its colour is the result of natural irradiation
  • The Dudley Diamond
  • The Eugenie Blue Diamond
  • The Excelsior Diamond, the largest known diamond in the world prior to the Cullinan
  • The Florentine Diamond, a lost diamond, light yellow with a weight of 137.27 carats (27.45 g).
  • The Golden Jubilee, the largest faceted diamond ever cut at 545.67 carats (109.13 g)
  • The Great Chrysanthemum Diamond
  • The Great Mogul Diamond
  • The Heart of Eternity Diamond, perhaps the largest Fancy Vivid Blue
  • The Hope Diamond, blue and supposedly cursed. Almost certainly cut from the French Blue Diamond
  • The Hortensia Diamond
  • The Idol's Eye
  • The Incomparable Diamond, a golden diamond of 407.48 carats (81.496 g) cut from an 890 carat (178 g) rough diamond of the same name - it appeared on eBay in 2002
  • The Jones Diamond
  • The Jubilee Diamond, originally known as the Reitz Diamond; the sixth largest in the world.
  • The Kimberley Diamond
  • The Koh-i-Noor, very old (mentioned in Baburnama of 1526) and surrounded by legend and believed to be the most precious.
  • The Lesotho Promise, is the 15th largest diamond, the 10th largest white diamond, and the largest diamond to be found in 13 years
  • The Millennium Star, the second largest colorless (grade D), flawless diamond.
  • Moussaieff Red Diamond, the largest known Fancy Vivid Red
  • The Nizam Diamond
  • The Ocean Dream Diamond, the only known natural Fancy Deep Blue-Green
  • The Oppenheimer Diamond, one of the largest uncut diamonds in the world
  • The Orlov, an Indian rose cut rumored to have served as the eye of a Hindu statue
  • The Paragon Diamond
  • The Portuguese Diamond
  • The Premier Rose Diamond, 137.02 carat (27.4 g) stone cut from a 353.9 carat (70.8 g) rough gem of the same name
  • The Pumpkin Diamond, perhaps the largest Fancy Vivid Orange
  • The Red Cross Diamond
  • The Regent Diamond, formerly belonging to Louis XV, Louis XVI and Napoleon Bonaparte, it now resides in the Louvre
  • The Sancy, a pale yellow diamond currently in the Louvre
  • The Shah Diamond, very old yellow diamond (found approximately in 1450 in India) currently housed in the Diamond Fund in Kremlin
  • The Spirit of de Grisogono Diamond, the world's largest cut Black
  • The Spoonmaker's Diamond, 86 carat (17 g) diamond housed in Topkapı Palace in Istanbul.
  • The Star of Arkansas
  • The Star of the East, 95 carat (19 g) stone once owned by Mrs Evalyn McLean of Washington DC, who also owned the Hope Diamond
  • The Star of the South
  • The Steinmetz Pink Diamond, the largest known Fancy Vivid Pink
  • The Taylor-Burton Diamond
  • The Tiffany Diamond
  • The Uncle Sam Diamond, the largest discovered in the United States
  • The Vargas
Emeralds
  • The Chalk Emerald
  • The Duke of Devonshire Emerald
  • The Gachala Emerald
  • The Mackay Emerald
Opals
  • The Andamooka Opal, presented to Queen Elizabeth II, also known as the Queen's Opal
  • The Aurora Australis Opal, considered to be the most valuable black opal
  • The Black Prince Opal, originally known as Harlequin Prince
  • The Empress of Australia Opal
  • The Fire Queen Opal
  • The Flame Queen Opal
  • The Flamingo Opal
  • The Halley's Comet Opal, the world's largest uncut black opal
  • The Jupiter Five Opal
  • The Olympic Australis Opal, reported to be the largest and most valuable gem opal ever found
  • The Pride of Australia Opal, also known as the Red Emperor Opal
  • The Red Admiral Opal, also known as the Butterfly Stone
Pearls
The Pearl of Lao Tzu

Ruby
  • The DeLong Star Ruby
  • The Hixon Ruby Crystal
  • The Midnight Star Ruby
  • The Neelanjali Ruby
  • The Rajaratna Ruby
  • The Rosser Reeves Ruby
Sapphires
  • The Logan sapphire
  • The Queen Marie of Romania Sapphire
  • The Ruspoli Sapphire
  • The Star of Asia Star Sapphire
  • The Star of Bombay, given to Mary Pickford by Douglas Fairbanks, Sr
  • The Star of India, the largest and most famous star sapphire in the world
  • The Stuart Sapphire
Spinels
  • The Black Prince's Ruby, actually a spinel mounted on the Imperial State Crown
  • The Samarian Spinel, the world's largest spinel
  • The Timur Ruby, believed to be a ruby until 1851
Topaz
  • The American Golden Topaz, the largest cut yellow topaz weighing nearly 23000 carats (4.6 kg).

The Beautiful Company – Diamond Information sheet

What Are Diamonds

Natural diamonds are pure carbon, formed into crystals deep below the earths crust millions of years ago. Diamonds are found and mined in several parts of the world but predominantly in South Africa. Diamonds are the hardest natural substance known to man and when found they are far from the cut and polished gemstones you will see in our diamond rings and are known as “rough diamonds”. The diamonds used in our diamond jewellery have been sourced from specialist cutting and polishing centres all over the world, and we warrant that no diamonds known as “conflict diamonds” are knowingly sold and to the best of our ability we have undertaken measures to prevent their sale including obtaining written assurances from all our suppliers that all our diamond jewellery is conflict free.

What are “Conflict Diamonds”

In 1998 it was discovered that UNITA, a rebel group in Angola was funding its war against a legitimate government by the control and sale of rough diamonds, these have since been known as “conflict diamonds” and rebel groups in Sierra Leone and the Democratic Republic of Congo also funded conflicts in this way. At its peak the trade in conflict diamonds was estimated to be less than 4% of annual rough diamond production and is now estimated to be less than 1%. But we believe that one diamond traded in this way is one too many, hence our efforts to get written assurances from all our suppliers that all our jewellery including our diamond solitaire and diamond eternity rings is conflict free.

BUYING GUIDE – Diamond Rings, Diamond Pendants, Diamond Earrings

4Cs of Diamonds are Cut, Clarity, Carat, and Colour

When buying a diamond ring, diamond pendant or diamond earrings from The Beautiful Company the prices we charge for a particular ring depends on the interplay of all the 4Cs, Cut, Clarity, Carat, and Colour of the diamond and the amount and type of metal used in the setting.

The 4Cs are used throughout the world to classify the rarity of diamonds. Diamonds with the combination of the highest 4C ratings are more rare and, consequently, more expensive. No one C is more important than another in terms of beauty and it is important to note that each of the 4Cs will not diminish in value over time.

Once you have established those 4C characteristics that are most important to you then look on the site and find the diamond solitaire ring or diamond eternity ring that best meets your desires in terms of price and quality. The 4C’s are explained below.

CARAT

Carat is a measure of the weight of a diamond or with diamond rings, diamond pendants or diamond earrings it’s also used to describe the total weight of diamonds the item has.
Carat is often confused with size even though it is actually a measure of weight. One carat is equivalent to 200 milligrams. One carat can also be divided into 100 "points." A .75 carat diamond is the same as a 75-points or 3/4 carat diamond.

A 1-carat diamond costs exactly twice the price of a half-carat diamond, right? Wrong. Since larger diamonds are found less frequently in nature, which places them at the rarest level of the Diamond Quality Pyramid, a 1-carat diamond will cost more than twice a 1/2-carat diamond (assuming colour, clarity and cut remain constant). This also means a 1 carat diamond solitaire ring will be more expensive than a 1 carat diamond eternity ring, diamond trilogy ring or a diamond eternity ring that contains more than one diamond, providing the clarity of the diamond solitaire ring is equivalent to that of the others.

CLARITY

Clarity Refers to the presence of inclusions or imperfections in a diamond.

Every diamond and therefore every diamond ring is unique. Nature ensures that each diamond is as individual as the person who wears it. Naturally-occurring features known as inclusions provide a special fingerprint within the stone. Inclusions are natural identifying characteristics such as minerals or fractures, appearing while diamonds are formed in the earth. They may look like tiny crystals, clouds or feathers.

To view inclusions, jewellers use a magnifying loupe. This tool allows jewellers to see a diamond at 10x its actual size so that inclusions are easier to see. The position of inclusions can affect the value of a diamond. There are very few flawless diamonds found in nature, thus these diamonds are much more valuable.

Inclusions are ranked on a scale of perfection, known as clarity, which was established by the Gemological Institute of America (GIA). The clarity scale, ranging from F (Flawless) to Included (I), is based on the visibility of inclusions at a magnification of 10x.

Some inclusions can be hidden by a mounting, thus having little effect on the beauty of a diamond. An inclusion in the middle or top of a diamond could impact the dispersion of light, sometimes making the diamond less brilliant.

The greater a diamond's clarity, the more brilliant, valuable and rare it is and the higher it is on the Diamond Quality Pyramid.


Clarity

Description

FL - IF

Flawless/internally flawless

VVS1 - VVS2

Very, very small inclusions, very hard to locate under a 10x, unable to see with the unaided eye

VS1- VS2

Very small inclusions, hard to locate under a 10x, unable to see with the unaided eye

SI1 - SI2

Slight inclusions, easy to locate under a 10x, but unable to see with the unaided eye

I1 I2 I3

Inclusions – which can be visible to the unaided eye – collectively known as P Clarity

COLOUR

Colour Refers to the degree to which a diamond is colourless.

Diamonds are found in almost every colour of the rainbow, but white-coloured diamonds remain most popular.

Diamonds are graded on a colour scale established by the Gemological Institute of America (GIA) which ranges from D (colourless) to Z. Warmer coloured diamonds (K­Z) are particularly desirable when set in yellow gold. Icy winter whites (D­J) look stunning set in white gold or platinum.

Colour differences are very subtle and it is very difficult to see the difference between, say, an E and an F. Therefore, colours are graded under controlled lighting conditions and are compared to a master set for accuracy.

Truly colourless stones, graded D, treasured for their rarity, are highest on the Diamond Quality Pyramid. Colour, however, ultimately comes down to personal taste. Ask a jeweller to show you a variety of colour grades next to one another to help you determine your colour preference.

Nature has also created diamonds in intense shades of blue, green, yellow, orange, pink or ­ rarest of all ­ red. These diamonds are called coloured fancies and are extremely rare and highly treasured.

Here's a grid that will help you understand the colour grades of diamonds:


Colour of Stone

Description of Colour code

D

EXCEPTIONAL WHITE

Diamond colour

E

F

RARE WHITE

Diamond colour

G

H

WHITE

Diamond colour

I

SLIGHTLY TINTED WHITE

Diamond colour

J

CUT

Cut Refers to the angles and proportions of a diamond.

Nature determines so much about a diamond, but it takes a master cutter to reveal the stone¹s true brilliance, fire and ultimate beauty.

Based on scientific formulas, a well-cut diamond will internally reflect light from one mirror-like facet to another and disperse and reflect it through the top of the stone. This results in a display of brilliance and fire, thereby placing well-cut diamonds higher on the Diamond Quality Pyramid than deep or shallow-cut diamonds. Diamonds that are cut too deep or too shallow lose or leak light through the side or bottom, resulting in less brilliance and ultimately, value.

Cut also refers to shape round, square, pear, or heart for example. Since a round diamond is symmetrical and capable of reflecting nearly all the light that enters, it is the most brilliant of all diamond shapes and follows specific proportional guidelines.

Non-round shapes, also known as "fancy shapes", will have their own guidelines to be considered well-cut


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