Lady's 18K Yellow Gold Blue Sapphire and Diamond Ring. Ring Size: 6 (Can be Resized to Fit Most Any Finger.) Contains: One Natural Oval Cut Sapphire. Weight Approx: 2.00ct, Color: Blue, Origin: Thailand. Eight Round Brilliant Cut and Four Straight Baguette Cut Diamonds. Weight Approx: 0.80cttw, Color: F-G, Clarity: VS1 / VS2. A brilliant and sparkly natural Thailand gem sapphire & diamond ring. It is the important 2.00 carat size, investment size we call in the trade, that makes this ring even more stunning. Along with this stunning sapphire, this ring is accented with over 3/4ths of a carat of diamonds. The diamonds are white & bright, and clean to the naked eye.