18ct White Gold 1.04ct Tanzanite 0.23 Carat Diamond Cluster Necklace. J04069MP. An embodiment of luxury and elegance, this breathtaking necklaces boasts a stunning 1.04 carat Tanzanite framed by 2 princess cut diamonds totalling 0.07 carats and 29 glittering diamonds totalling 0.16 carats. Total diamond weight is 0.23 carats. This elegant pendant is completed by a fluid 18 inch long 18 carat white gold chain, which fastens with an easy to open and close bolt ring. 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 and Diamond pieces online and in store to compliment this necklace. 18ct White Gold 1.04ct Tanzanite 0.23 Carat Diamond Cluster Necklace. Tanzanite 7x5mm, 12x9mm including diamond frame, drop including bail 22mm.