Tiffany and Co Schlumberger Studios platinum diamond and 18k gold exquisite ring features a stunning 2 tone combination of gold and platinum, beautifully accentuating the 16 round brilliant diamonds. 100% authentic with original dark suede box and Tiffany blue outer box. Size 5.5 E/F color, VS 1.14-1.18 ctw 8 grams Highest level of quality for this ring.(the same item might have 5 different prices depending on how high the quality is-all Tiffany is high-end but they have internal levels) Purchased in San Jose California Tiffany store, originally paid $15,600 Asking $10,000 but all offers considered. Created by Jean Schlumberger for Tiffany in 1959 as a wedding ring. Perfect for any occasion.