14K DIAMOND & TANZANITE NECKLACE: Set in yellow gold this triangle brilliant cut tanzanite is approx 4.25CT. and is topped with a .45CT triangle brilliant cut diamond. The tanzanite is rated VVS in clarity. Comes with a 20'' box chain necklace. Total weight is 7.3 grams. Sold with current Florida Diamond Appraisers GIA graduates appraisal for $4950.