Enamel, Tanzanite, Diamonds 18K Yellow Gold Ring, R 0084-218K Yellow Gold, Enamel, Tanzanite, Diamonds Ring Tanzanite 2. 22 ct Diamonds 0. 27 ct The Tweed inspired texture pays homage to guilloche, an intricate and sophisticated technique widely known from the legendary Faberge. Mousson Atelier was the first to bring this rare texture to complex curved surfaces. Our master craftsmen can offer this exquisite texture, expertly accentuated by 18 Karat Yellow Gold, Tanzanite, Diamonds, and Enamel. US Size 7 3 4