Wednesday, April 20, 2011

Natural Fancy Yellow Diamonds - The Facts

Yellow diamonds are fairly common amongst fancy colored diamonds, although a lot rarer than colorless diamonds. There is a common false impression that ayellow diamond is less valuable than a clear diamonds. While very light or slightly yellow diamonds are considered to be fairly common and not of great value, yellow diamonds for instance intense and vivid are quite valuable.

Yellow diamonds with secondary brown tones are worth less than pure yellow stones. However, secondary colors of green-yellow or orange-yellow can significantly boost the value of the stone due to the fact that these diamond colors are even rarer than fancy yellow diamonds.

Natural fancy yellow diamonds are graded on the strength and intensity of color. The highest-quality grade is the Vivid Yellow, followed by the Intense Yellow diamond. The lowest quality of natural yellow diamond is the Light Yellow diamond, followed by the Fancy Yellow. Some tones of Vivid Yellow diamonds along with the more rare Intense Yellow diamonds are called Canary Diamonds. Canary yellow diamonds are the rarest among yellow diamonds and for that reason they are the most expensive and are desirable by both collectors and sophisticated buyers. The canary diamond has a very distinctive tone of yellow, and even if you have never seen a Canary Yellow, if you were to see one, you’ll “recognize” it immediately!

Yellow diamonds are generally set in yellow gold. When it comes to setting, yellow diamonds look superb if they are mixed with white stones, as the white diamonds create a strong color contrast. If you choose a yellow diamond to be the center stone for your three stone ring, then it is advisable to have white side stones and trapeze, triangle or oval shapes can be a excellent match.

Similar to other natural fancy color diamonds the color remains the main thing that affects the value of the diamond, after this comes the size and the clarity of the stone. Clarity is also crucial in the evaluation of fancy yellow stones, though this is much less than in traditional white diamonds.

The ideal cut for fancy colored diamonds is the Radiant cut. This is the perfect shape so that it is possible to maximize the color. Yellow diamonds, however, can also be found in Oval Cut an Cushion cut and in Heart and Pear shapes. The rarest are the Emerald, Square Emerald and the Brilliant cuts (round shape). The price of these shapes are substantially higher for all fancy diamonds and not merely for yellow diamonds.

Colored diamonds have completely different standards to white diamonds in regards to cut quality. The goal when cutting a fancy color diamond should be to make the best us of the depth and saturation of the diamond's color while, at the same time, striking a balance between carat weight and brilliance. It is vital that the stone is sold with a grading report from a trustworthy diamond laboratory such as GIA, HRD, IGI or EGL. This report needs to declare that the color is "Natural". The report must also describe the intensity of color, and also the color distribution throughout the diamond.

The Kimberley Octahedron is the biggest naturally formed actohedral diamond in the world. The owner of the mine prefers not to cut this diamond and wishes to leave it in its original condition. Due to this the color and distribution grades are not able to be given to this impressive diamond.

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