Rock Crystal, Coral, Diamonds & Platinum Necklace Elegant white Coral and Rock Crystal beads necklace featuring a platinum clasp set with a Natural Light green Emerald Approx. 2.65 carats. Along with 4 single cut Diamonds Approximately 0.04 carats. Smaller bead measurements: 6mm. Bigger Bead Measurements: 16mm. Total weight: 80 grams. Total Length: 27 inches. Very good conditions. Upon Request, Auction House may provide an appraisal. This will carry an additional cost. Appraisals are made by our in house GIA certified Gemologist.