细节
AN ALEXANDRITE AND DIAMOND RING
SET WITH AN OCTAGONAL-SHAPED ALEXANDRITE WEIGHING APPROXIMATELY 15.02 CARATS, FLANKED BY BRILLIANT, SINGLE AND BAGUETTE-CUT DIAMONDS, MOUNTED IN PLATINUM, RING SIZE 5½
ACCOMPANIED BY REPORT NO. 13010107 DATED 29 JANUARY 2013 FROM THE GüBELIN GEMMOLOGICAL LABORATORY STATING THAT THE 15.02 CARAT ALEXANDRITE IS NATURAL CHRYSOBERYL OF SRI LANKA (CEYLON) ORIGIN, COLOUR CHANGE IN DAYLIGHT: GREEN, IN INCANDESCENT LIGHT: BROWNISH-PURPLE, WITH ADDITIONAL COMMENT STATING THAT THE GEMSTONE DISPLAYS PRONOUNCED COLOUR-CHANGE
ALSO ACCOMPANIED BY REPORT NO. CS 52818 DATED 18 DECEMBER 2012 FROM THE AMERICAN GEMOLOGICAL LABORATORIES STATING THAT BASED ON AVAILABLE GEMOLOGICAL INFORMATION, IT IS THE OPINION OF THE LABORATORY THAT THE ALEXANDRITE WEIGHING 15.02 CARAT IS NATURAL, THE ORIGIN OF THIS MATERIAL WOULD BE CLASSIFIED AS CLASSIC CEYLON (SRI LANKA), CLARITY ENHANCEMENT: NONE