Featured in this lot is this natural AAA+ tanzanite VS2 diamond and 18k white gold ring with GIA and AIG paperwork. The ring is electronically tested 18k white fold ladies cast ring featuring split shoulder design and a light lattice under gallery; with a bright finish and a 'Orianne' trademark. The center stone shows a prong set pear modified brilliant cut natural tanzanite stone measuring 17.05mm x 10.27mm x 7.18mm and shows eye clean clarity with type I medium dark very, very slightly grayish violet coloration. The stone is (GIA V 6/3), with a good cut and transmits light with no distortion and transparent. The GIA Gemological Report is attached and was graded loose prior to setting and shows a total weight of 8.53 carats. The center stone is profusely decorated with a pear shape halo design featuring 23 round brilliant cut diamonds with a vs-2 to SI-1 clarity and G - I coloration gradient and a total weight of 0.69 carats. Tanzanite is a very 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). GIA (Gemological institute the piece comes complete with AIG(American International Gemologists, a GIA certified lab AIG Appraisal Number#: 000716077059) report and appraisal confirming the above info and giving a total value of $22,105.00. GIA (Gemological Institute of America) Sapphire Grading Report#: 6173083139. The ring size is US 8.