Selling this rare unheated 2.25ct colour change sapphire! PERFECT FOR ENGAGEMENT WEDDING RING. Extremely rare! Unheated sapphires are already the 5-10% of all sapphires in the market, and colour changing ones are 1 in 1000. Colour change is very obvious when seen under daylight, incandescent and warm light. Feels like 2 stones in one! Color Change Sapphire Natural Corundum 2.25ct 9.36 x 6.73 x 3.95 Faceted Oval mix cut Violet-purple Unheated Certified