1.50 Carat Yellow Round Cut Geniune Sapphire The is set in a .925 Solid Sterling Silver Ring. There are 2 - White Geniune Topaz Accents. These Sapphires have been ion bombardment thus changing the refractive index from 1.77 to 2.30. The ring size is 7 & 8 This is not heat enhanced this is genuine stones. No trades Comes with jewelers authentication