Mikimoto Tanzanite, Diamond & Pearl Choker Necklace in 18k White Gold Pearl and Tanzanite Choker by Mikimoto features a natural Cushion shaped Tanzanite weighing 30 carats estimated; set in 18k White Gold with 3 Rows of Round Brilliant Diamonds totaling 6.00 carats estimated 3 Strands of Cultured Pearls measuring 7 to 7.5 mm Beautifully matched, very high luster Necklace measures 16 inches long Center piece measures 1.25 inches long and 1.20 inches across Necklace weighs 108 grams 18k White Gold Round Diamond Pendant, The Bling Ring, Vintage Jewellery Rings, Tanzanite Jewelry, Diamond Tennis Necklace, Mikimoto Pearls, Morganite Diamond, Tanzanite Diamond, Solitaire Pendant Necklace