CUSH121/1 This gorgeous ring features a Rare 6.92 carat Natural Spinel center stone that C. Dunaigre certified as RED in color and indicates no heat treatment. A gorgeous and very clean stone. 12 round brilliant diamonds accent the center stone that continues on to the shank. Total weight of the diamonds is 1.92 carats. Made in Platinum. Size 5.5 US (sizable). Burma origin.