18K. White gold tank ring set with approx. 3.68 ct. diamond.

With openwork inside. Hallmarks: 750, 18K. Set with 99 brilliant cut diamonds and 30 baguette cut diamonds of approx. 3.68 ct. in total (VS-SI / F-G). In good condition. Ring size: 19 mm / 60 mm. Weight: 12.80 grams.