18K White Gold Tanzanite & Diamond Stud Earrings

18K white gold tanzanite and diamond stud earrings. Each earring is set with one round tanzanite, measuring approx. 8.5mm, deep purple color with no visible inclusions, 4.93ctw., set using four prongs. Surrounding each of the tanzanites is a halo of round brilliant cut, natural diamonds, 26 in total, 2.42ctw, H-color, SI1-clarity, set using shared prongs. The overall diameter of each earring is 14.0mm, with double notched safety posts and large friction backs.