Featured in this lot is this 11.81ct tanzanite VS2 diamond and platinum ring with AIG and GIA paperwork. The ring features a polished, stamped, and polished platinum construction that shows a split shoulder and is marked on the ring band as follows: Orianne - PT950. The ring features a center stone of pear cut tanzanite with measurements of 17.53 x 12.51 x 9.12mm and shows a eye clean clarity with type I clarity and violet color with a total weight of 11.81ct. The center stone is decorated with a double halo ring with a total of 50 round brilliant cut diamonds with a clarity of VS2 - SI2 and a coloration of F - H and a total diamond weight of 1.72ct. Tanzanite Is a very rare precious gemstone that is only found in the Usumburu Mountains that border the Umba Valley of northern Tanzania. Originally discovered in 1967 by Tiffany & Company who named the stone Tanzanite. Tanzantite is unique due to its exceptional pleochroism (an optical phenomenon in which a stone has different colors when observed at different angles). This example is a nearly flawless eye clarity and unbelievable depth with transparent finish. The piece comes complete with AIG(American International Gemologists, a GIA certified lab AIG Appraisal Number#: 000718176202) report and appraisal confirming the above info and giving a total value of $36,805.00. GIA (Gemological Institute of America) Tanzanite Grading Report#: 2175582593. The rings size is US 7. RN024903.