Featured in this lot is this rare trillion 2.62 tanzanite and diamond 18k white gold ring with IAS paperwork. The ring shows a 18k white gold ring with 'Orianne' and 18k gold stamp on the underside of the ring. The ring shows a beautiful rare natural trillion cut tanzanite gemstone with a fine blue / purple coloration and fine cut and clarity and show a total stone weight of 2.62 carats. The stone is profusely decorated with 18 total natural round brilliant cut diamonds with a G - H coloration gradient with VS clarity and a total weight of 0.33 carats. 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. 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 IAS (Independent Appraisal Services) a GIA certified lab IAS#: 29521EW) report and appraisal confirming the above info and giving a total value of $6,390.00. The ring size is US 7.