Tiffany Natural 8.59ct Certified Pink Tourmaline Platinum Ring. Original Tiffany + Co solid Platinum ring. Certified natural no heat super bright medium pink gem cut round Tourmaline. Sold at Tiffany New York circa 1960 to 1970. Extremely well cut and polished. It is very rare for a find a pink tourmaline of this size to be rated as natural with no enhancements. True 1stdibs world class, one of a kind rarity and beauty.