LONG PLATINUM 2.88 CTW DIAMOND & PEARL NECKLACE: 18 round European cut diamonds are bezel set and are complimented with 6 cultured pearls set after every 3 diamond stations to form this 40'' necklace. Total weight approximates 17.6 grams. Sold with current Florida Diamond Appraisers GIA graduates appraisal for $12,550. Est. $6500/12550**