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7.96ct Alexandrite and 1.06ct Diamond Ring (GIA CERTIFIED)

Auction #1483 | Item #169

Current Bid: $11,000

Appraised Value: $56,790

This lot is sold or expired.

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One electronically tested 18KT white gold ladies cast alexandrite and diamond ring with a bright polish finish. The featured alexandrite is set within a stylized diamond bezel supported by diamond set three-way split shoulders, completed by a two millimeter wide band. Trademark is Orianne. Identified with markings of "18K". Condition is new, good workmanship.


One prong set cushion modified brilliant cut natural alexandrite, measuring 12.82 x 11.67 x 5.37mm, exact weight 7.96ct., type II Clarity is eye clean, medium dark, very slightly grayish, yellowish green color, (GIA yG 6/3) to medium dark, very slightly brownish, yellowish brown, (GIA yBr 6/3), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report #6185907373. The yelloish green 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.


Eighty-Four prong and channel set round brilliant and baguette cut  diamonds approximate total weight of 84 Stones = 1.06ct. Graded in the setting.


Clarity            SI-1 to I-1    
Color              G - I