Featured in this lot is this 2.33ct tanzanite diamond 14k yellow gold necklace with IAS paperwork. The necklace features a wonderfully and professionally crafted 14k yellow gold construction and features marking on the chain ' Italy' along with a '14k' gold marking near the hallmark. The pendant features a natural trillion cut prong set tanzanite gemstone that shows a bright blue purplish color and shows a total weight of 2.33 carats. The whorl design around the center stone is profusely decorated with natural round brilliant cut diamonds that shows a G - H color gradient and shows a VS - SI clarity with a total weight of 0.36 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. Tanzantite 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 Appraisals Services, a GIA certified lab IAS Appraisal Number#: 26922EW2) report and appraisal confirming the above info and giving a total value of $6,285.00. The measurements of this necklace from clasp to clasp is 18".