“Trellis Ring” featuring cushion-cut 14.11 ct. Blue Topaz set in 18 kt white gold basket with 18 karat rose gold shank. by Ely Urbanski | Jul 7, 2021 "Trellis Ring" featuring cushion-cut 14.11 ct. Blue Topaz set in 18 kt white gold basket with 18 karat rose gold shank.