Estate 11.22 carat cushion cut tanzanite ring. This custom made platinum ring features a cushion cut tanzanite center at 11.22 carats. The tanzanite has a fine medium purplish blue color and is accented with 1.65 carat total weight of round brilliant and baguette diamonds. The diamonds have fine cut and proportions with VS clarity and F-G color. This exquisite tanzanite ring is appraised at $17,710. The platinum tanzanite ring a size 6.25 and weighs 14.70 grams.