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Diamond Proportion Analyzer PDF Print E-mail
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Tuesday, 18 September 2007

diamond Proportion Analyzer. An eyepiece designed and manufactured by GIA for analyzing the proportions of round, brilliant-cut Diamonds and for determining new dimensions of stones to be recut. An accessory for zoom-type microscopes. It incorpo­rates a separate 15x Gemolite eye­piece, a diamond proportion reti­cle fitted inside the eyepiece, and a specially designed stoneholder with a magnetic base. When used with the Deluxe Mark V Gemolite the size range of stones that can be analyzed is 0.10 to 5.50 carats. Some fancy-cut diamonds may also be analyzed.

Diamond Purchasing & Trading Co., Ltd. A company that buys gem diamonds from the Diamond Pro­ducers' Association and from other African diamond sources. It sells them to the Diamond Trading Co., Ltd., for marketing to the world diamond trade.

 
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