This entry was posted on Wednesday, July 16th, 2008 at 6:28 pm and is filed under Diamond Cuts. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
The important criteria for diamonds involves four “c’s”: clarity, color, carat, and cut. Clarity is measured by the amount of internal defects, which are called inclusions. Only about 20% of the diamonds produced are clear enough to become gemstones. The other 80% are too flawed, and these diamonds are used for industrial purposes. Carat is a measure of the mass weight of the diamond. A carat is 200 milligrams. Color in diamonds ranges from black, blue, pink, purple, green, violet, orange, yellow, brown, and a translucent white. Yellow and brown are the most common. To have color, the diamond has internal impurities, such as the most common, nitrogen. Black diamonds have little bits of carbon. Low saturation yellow and brown diamonds are in the normal color range, with a scale from D to Z, colorless to light yellow. A blue diamond recently sold for $8 million. The blue color was a result of boron impurities. Cut does not apply to the shape of diamonds, but to the cutting There are formulas devised for diamond cutters to get the most brilliance from each stone. Modern round brilliant diamonds have 57 facets (polished faces); 33 are on the crown–the top half–and 24 are on the pavilion–the bottom half. Our diamond stud earrings get all A’s for the 4 C’s!
July 29th, 2008 at 1:58 am
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July 29th, 2008 at 2:17 am
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July 29th, 2008 at 2:50 am
The Four C’s of Diamonds | Baubles…
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