1/50 Ctw Round Cut Diamond & 10x10 MM Cushion Shape Blue Topaz Semi Precious Ring in Sterling Silver If you want to add some interesting rings to your fashion accessories, this semi-precious ring would be an attractive choice. It is showy, bright and has a lustrous shine that makes it extremely eye-catching. The ring features a cushion shape center mount, with a 10x10 MM cushion shape Blue Topaz center stone, surrounded by a double row bubble textured surface. A slightly lower border, which connects with the cathedral shank, is embellished with 3 each prong set round cut diamonds. A lattice work on the shank and milgrain border to the lower border and shank, complete the look. The semi-precious ring is styled in sterling silver. Total diamond weight is 1/50 ctw.