A tansanite diamond ring
Lot-No. 381
18 ct. white gold, marked. The tansanite in cushion cut of c. 5,90 ct. (11 x 9,7 x 6,7 mm). The sides each with 15 small round cut diam. in total c. 0,75 ct. G-H.vsi-si. Size 54, weight c. 7 g.