North American Auction Company
Live Auction

Montana Premier March 4th Collector Auction

Sat, Mar 4, 2023 11:00AM EST
Lot 146

6.62ct Tanzanite & VS2 Diamond Platinum Necklace

Estimate: $18,000 - $25,000

Bid Increments

Price Bid Increment
$0 $5
$50 $10
$100 $25
$500 $50
$1,000 $100
$2,000 $250
$5,000 $500
$10,000 $1,000
$25,000 $2,500
$100,000 $5,000
Featured in this lot is this 6.62ct Tanzanite and VS2 diamond platinum necklace with GGA paperwork. The necklace features a wonderfully and professionally crafted platinum necklace with a gold chain and is marked 'Oscar Friedman' hallmark with a 'PT950' mark next to the hallmark. The center stone is a pear brilliant, faceted cut tanzanite gemstone that measures 16.68 x 9.18 x 6.31mm that shows type 1 clarity and a bluish violet coloration and excellent symmetry that shows an overall weight of 6.62 carat. The pristine lattice shows a total of 65 round brilliant cut diamonds that shows measurements of 2.0 x 1.3mm with an average clarity of VS2 - SI1 and a color gradient of F - G and a total diamond weight of 1.60 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 GGA(GemAssure Gemological Appraisals, GGA Appraisal Number#: GGA063353 and trace number: NK014740) report and appraisal confirming the above info and giving a total value of $36,870.00. The measurements of this necklace from clasp to clasp is 16 1/4"

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