Featured in this lot is this 70.58ct Tanzanite VS2 diamond and 14k gold necklace with GGA paperwork. The necklace features a stamped, tested, and polished 14k white gold construction that is marked as follows: Oscar Friedman - 14k. The necklace shows a total of 31 pear cut Tanzanite gemstones with measurements of 14.5 x 6.0mm that shows clarity of Type I with bluish Violet coloration with excellent symmetry and a total weight of 70.58cts. The gemstones are decorated with halo rings around them with a total of 868 round brilliant cut diamonds with measurements of 1.5 x 1.4mm and shows clarity of VS1-VS2 and a coloration of F - G and shows a total diamond weight of 8.80cts. Tanzanite is a very rare gemstone that is only found in the country of Tanzania. Originally discovered in 1967. Tiffany & Company, named the stone Tanzanite. It is found in the Usumburu Mountains that border the Umba Valley of northern Tanzania. Tanzanite occurs in gray, brown, violet, blue, reddish-purple, & green. The gem is interesting because of its exceptional pleochroism. Rotated in different directions a tanzanite will exhibit multiple changes of color. Tanzanite has a low tolerance to ultrasonic cleaning, and should not be cleaned using this method. The piece comes complete with GGA(GemAssure Gemological Appraisals, GGA Appraisal Number#: GGA067372 and trace number: NK015551) report and appraisal confirming the above info and giving a total value of $161,290.00. The measurements of this necklace from clasp to clasp is 18 1/8". NK015551