GIA Certified 3.86 Carat Alexandrite Fashion Ring

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About the Item

One electronically tested platinum ladies cast alexandrite and diamond ring. The featured alexandrite is set within a diamond bezel supported by a diamond accented under gallery and diamond set shoulders, completed by a two and one-half millimeter wide band. Bright polish finish with milgrain detailing throughout. Trademark is Orianne. Identified with markings of "PT950". Condition is new, good workmanship. Containing: One prong set oval modified mixed cut natural alexandrite, measuring 10.12 x 8.10 x 5.63mm, exact weight 3.86ct., type II Clarity is slightly included, medium dark, very slightly grayish, yellowish green color, (GIA yG 6/3) to medium dark, very slightly brownish, brownish yellow, (GIA brY 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 in the GIA Laboratory, Report #2204241457.This stone exhibits a change of color when viewed under daylight or fluorescent vs incandescent light.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. Seventy-Four prong set round brilliant cut diamonds approximate total weight of 74 Stones = 0.50ct. Graded in the setting. Clarity VS-1 to VS-2 Color D - F Total Weight of Colored Stones 3.86 ct. Total Weight of Diamonds 0.50 ct. Total Weight of Ring 7.97 gm

Creator:
ORIANNE
Metal:
Platinum
Stone:
Alexandrite,Diamond
Stone Cut:
Oval Cut
Style:
Contemporary
Lab Report Available:
GIA
Place of Origin:
United States
Period:
2010-
Date of Manufacture:
2017
Condition:
Seller Location:
Encino, CA
Reference Number:
1stDibs: LU125614781553

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