18K Gold, 33ct. Tanzanite & 16ct. Diamond Necklace. 18k white gold custom designed handmade pendant containing 1 center pear shape very fine strongly saturated deep bluish purple tanzanite weighing 33.02 carats surrounded by 2 rows of 54 prong set round brilliant cut diamonds weighing a total of approximately 7.11 carats with F-G color and VS clarity with a hinged snap bail containing 6 pave set round brilliant cut diamonds totaling 0.12 carats with G color and SI-1 clarity. Pendent hangs on a Ladies 18k white gold “Riviera” style necklace containing 111 round brilliant cut diamonds weighing a total of 8.92 carats with F-G-G color and VS2-SI1 clarity and all set into 4 prong heads weighing a total of 25.6 grams.