Natural Ceylon (Sri Lanka) Color-Change Sapphire, Diamond, 14k White Gold Ring. Featuring one heart-cut sapphire weighing approximately 7.80 cts., accented by ten single-cut diamonds weighing a total of approximately 0.20 cttw., set in a 14k white gold mounting. Accompanied by an AGL Prestige Gemstone Report No. 1108678 dated July 15, 2020 stating "Natural Corundum, Color-Change Sapphire. Ceylon (Sri Lanka). No gemological evidence of heat; no clarity enhancements. Degree of color-change: Strong (70 - 80%), Quality of color-change: Very good. Color description: Violetish Blue to Purple." {Size: 5 1/4, Gross Weight: 3.4 dwts}