Tiffany Nephrite Diamond Ring Design by Donald ClaflinSimultaneously robust and refined, the 18K Yellow Gold Tiffany Nephrite Diamond Ring Design by Donald Claflin is tailored to those who appreciate bold sophistication. This striking ring by Tiffany & Co. features a captivating green nephrite embraced by 18K yellow gold and accentuated by a sweeping curve of round white diamonds. Crafted in the USA in 1970. Part of the abcVintage Collection, featuring rare pieces sourced from around the globe.