The lot features a phenomenal natural AAA+ Tanzanite and Diamond Platinum ring in a classic design with paperwork. 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. The ring is from renowned designer Orianne Collins and is marked, "ORIANNE PT950”. The ring is highly custom with an amazing ribbon halo bezel which frames the top and bottom of the stone and flows into the split shoulder all being natural diamond set with round brilliant and baguette cut stones with a weight of 1.22 carats, VS1 to SI1 clarity and F-G color. At the center of the ring shows an amazing natural Tanzanite stone with fantastic deep blue / purple violet coloring, very fine AAA+ transparent clarity and size of 4.53 carats with an oval modified brilliant cut. The piece is in brand new condition and is truly one of the deepest coloring and brilliant Tanzanite stones we’ve offered in a truly amazing setting. The ring comes with an AIGL (American International Gemological Laboratories, INC. a GIA certified lab AIGL# K67E93-EA13289) report and appraisal which confirms the above information and gives a value of $16,133.00. Tanzanite is unique due to its exceptional pleochroism (an optical phenomenon in which a stone has different colors when observed at different angles). The ring shows a size of 7 ½ US.