More Details John Hardy cushion ring from the Bamboo Collection. Signature polished sterling silver bamboo-motif frame. Prong-set, checkerboard-cut Swiss blue topaz face. Single round station at shoulder with sky blue topaz center. Petite bezel-set round, sky blue topaz accents. Wide, tapered, faceted half-round shank. Face, approx. 0.6"D. Handcrafted in Thailand.