Art Nouveau 18kt Gold Ring with Diamonds Art Nouveau ring crafted in 18kt yellow gold and Platinum, featuring three Old mine Diamonds weighing Approx. 0.40 carats. J color, SI clarity. Along with 10 Old mine Diamonds weighing Approx. 0.20 carats. Ring size: 8 1/2. total weight: 4.10 grams. Ring width: 0.90 inches. Stamped: "BT" and makers mark. Good conditions. Upon Request, Auction House may provide ring resizing or/and appraisal. This will carry an additional cost. Appraisals are made by our in house GIA certified Gemologist.