The lot features a rare color change unheated natural Sapphire and Diamond ring set in 18K gold with GIA and AIGL paperwork. The piece comes with a GIA (Gemological Institute of America) Sapphire Report Number 5222015387 which states the piece as having a 2.54 carat natural Sapphire Corundum with no-heat-treating being cushion cut and having a color change of bluish violet to purple. The ring is comprised of 18 karat white gold and is set with 0.54 carats being VS2-SI1 clarity and G-H color. Also, the ring comes with an AIGL (American International Gemological Laboratories Inc., a GIA graduate gemologists) which confirms the above info and gives a value of $17,682.00. The ring is a size of 7 US.