Natural Color Change Sapphire, Diamond, 14k White Gold Ring. Centering one oval-cut color change sapphire weighing 1.02 ct., accented by full-cut diamonds weighing a total of approximately 0.75 cttw., set in a 14k white gold mounting. Accompanied by a GIA Gemological Report No. 6204602004 dated September 27, 2019 stating "Natural Corundum, Natural Sapphire. No Indications of Heating, Color: Blue changing to Purple." {Size: 7, Gross Weight: 2.1 dwts}