Lady's Platinum Sapphire and Diamond Ring Ring Size: 6 1/2 (Can be resized to fit any finger!) Contains: 1 Oval Cut Sapphire. Weight: 2.40ct, Color: Blue, Clarity: Transparent-LI. 16 Square Cut and 8 French Cut Diamonds. Weight: 0.70cttw, Color: F-G, Clarity: VS1- VS2. A rare and magnificent cornflower blue natural sapphire in a handmade platinum art-deco style ring accented by exquisite square & French cut diamonds. Sapphires are quickly leaving the ranks of "semi- precious" stone and are well on their way to the "precious" stone category.