Purple Sapphire, 3.99 carats, and Diamond Ring, in Platinum

A platinum ring set with a cushion-cut purple sapphire of 3.99 carats surrounded by melee diamonds of approximately 0.75 carats in a halo and along the shank. The Gemological Institute of America (GIA) describes the sapphire as having no indication of heating. 

Metal: Platinum

Gemstone: Purple Sapphire: 3.99 carats. GIA Report #2175491387

Gemstone: Diamonds: ~0.75 carats

Design Era: Contemporary 

Ring Size: 5.5, Resizable