This Barbara Heinrich ring has been lovingly handcrafted from 18K yellow gold to create a stunning tapered wrap ring that holds an outstanding purple tanzanite flanked by two white round diamonds. The flow of this ring is so elegant and modern. Make it a part of your collection! Tanzanite = .92 cttw and measures 6mm. Diamonds = .30 cttw Size 6.75. RING SIZING OPTIONS. Handcrafted in Rochester, NY.