This is the "Double Open Tear Drop Ring" set with carefully selected high-quality diamonds from Tiffany & Cohe sparkling diamonds will give your finger a radiant glow.*According to the findings of our appraisal agency, the diamond is 0.18ct. Brand Tiffany & Co (Tiffany & Co) Double Open Teardrop Diamond Ring Materia Platinum Diamond (Stamp PT950) Size No. 6.5 Maximum width 5 mm (0.20 in) Thickness 3.4 mm (0.13 in) Total Accessories Item details It has been polished and is in good condition, but th is light.