Nini Royale Collection multi-stone ring. Polished 18-karat yellow gold. Large prong-set topaz at center. Pave inner trim with 39 diamonds. Faceted tanzanite detail shank. 35. 80 total topaz carat weight. 1. 70 total diamond carat weight. 41. 50 total tanzanite carat weight. Tapered, half-round shank.