Featured in this lot is this 38.39 carat tanzanite and diamond, platinum necklace with AIG and GIA paperwork. The necklace features an electronically tested platinum ladies cast and assembled pendant and chain with a bright polish and a 'PT950' stamp. The necklace features a prong set cushion modified brilliant cut natural tanzanite that measures 24.26 x 16.75 x 11.40 mm and weighs exactly 38.93 carats; the tanzanite has eye clean clarity and is considered type I with dark, moderately strong, and violetish blue coloration. This stone was graded loose before insertion. The center stone is profusely decorated with a total of 84 prong set round brilliant cut diamonds with a total diamond weight of 1.94cts, VS2 to SI2 clarity, and F - H color gradient. Tanzanite is an exceedingly rare precious gemstone that is only found in the Usumburu Mountains that border the Umba Valley of northern Tanzania. It was originally discovered in 1967 by Tiffany & Company, who named the stone Tanzanite. This example is unique due to its exceptional pleochroism (an optical phenomenon in which a stone has different colors when observed at different angles). The piece comes complete with AIG (American International Gemologists, a GIA certified lab AIG Appraisal Number#: 000716266034) report and appraisal, confirming the above info and giving a total value of $102,550.00. GIA (Gemological Institute of America) Tanzanite Grading Report#: 5141971141