9.29ct Alexandrite and 0.58ctw Diamond Platinum Ring
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Description
One electronically tested platinum ladies cast alexandrite and diamond ring with a bright polish finish. The featured alexandrite is set within a diamond bezel supported by a floral under gasvllery and diamond set shoulders, completed by a two and one-half millimeter wide band. Trademark is Orianne. Identified with markings of "PT950". Condition is new, good workmanship. Containing: One prong set cushion modified mixed cut natural alexandrite, measuring 12.30 x 10.97 x 7.57mm, exact weight 9.29ct., type II, clarity is slightly included, medium dark, very slightly brownish, greenish yellow color, (GIA grY 6/3) to medium dark, very slightly grayish, yellowish brown, (GIA yBr 6/3), cut is good. Transmitting light with a minimum of distortion, transparent. Naturally occurring internal & external characteristics are present. GIA Gemological Report attached. Graded loose prior to setting. The greenish yellow color was photographed under 6000K daylight the yellowish brown color was photographed under 2000K incandescent light, see the photographs to the right. Alexandrite was discovered in the 1830's near the Tokovaya River in the Ural Mountains of Siberian Russia. It later became the national gemstone of Russia. The name "alexandrite" became official in 1842. Alexandrite is a variety of chrysoberyl. It contains both beryllium and chromium. It is the chromium that accounts for the spectacular color change. The color change is the primary qualification for a chrysoberyl to be considered alexandrite. Alexandrite is strongly trichroic. Its color change results in a near-equal transmission of the blue-green and red portions of the spectrum, coupled with strong absorption in the yellow. Today Alexandrite is found in Brazil, India, Madagascar, Myanmar, Russia, Sri Lanka, Tanzania and Zimbabwe. Thirty-Eight prong set round brilliant cut diamonds approximate total weight of 38 Stones = 0.58ct. Graded in the setting. Clarity VS-1 to VS-2 Color D - F Total Weight of Colored Stones 9.29 ct. Total Weight of Diamonds 0.38ct Total Weight of Ring 9.12 gm
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Condition
New
Buyer's Premium
- 15%
9.29ct Alexandrite and 0.58ctw Diamond Platinum Ring
Estimate $16,000 - $19,000
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Item located in California, US$14.99 shipping in the US
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