18K EMERALD/DIAMOND COLLAR NECKLACE: 18K yellow gold necklace contains 480 round, brilliant-cut diamonds, weighing approx. 10.69 Ct. The emeralds and diamonds are prong set. Surrounding the stones are pieces of black enamel. Signed: ''Oscar Friedman''. Total weight: 74.8 grams. Sold with current Florida Diamond Appraisers appraisal for $53,250. Est. $30000/50000**