18ct White Gold 4.74ct Tanzanite 0.45ct Diamond Oval Cut Necklace. STC-016. This unique necklace features an oval cut 4.74 carat Tanzanite gemstone, discovered in the Mererani Hills of Northern Tanzania. The breathtaking necklace is an embodiment of elegance and luxury with Tanzanite being one of the world\'s most desired stones. The curved 18ct white gold frame is embellished by dazzling 0.45 carats of brilliant cut diamonds. The pendant hangs gracefully from a fluid 18 inch long 18 carat white gold chain complete with a classic bolt ring clasp for easy wear. This seductive gemstone can exhibit a variety of surreal colours including blues, violets and burgundies so each piece is truly unique and beautiful. At C W Sellors, we have an expert team of gemstone and diamond specialists who handpick and grade each jewel to meet our high standards and a team of talented in house designers who combine their talents to bring you our exclusive Precious Gemstone collection. You can find other Tanzanite pieces online and in store to complement this necklace. All articles purchased from C W Sellors are lovingly and securely dispatched with our elegant jewellery packaging. Matching items are available within this collection.