North American Auction Company
Timed Auction

Last Chance January Passed Lots Offering - Ends February 3rd

Mon, Jan 30, 2023 02:00AM EST - Fri, Feb 3, 2023 03:00PM EST
Lot 420

Rare Unheated Natural Color Change Sapphire Ring

Estimate: $14,400 - $18,400

Bid Increments

Price Bid Increment
$50 $10
$100 $25
$500 $50
$1,000 $100
$2,500 $250
Featured in this lot is this rare unheated natural color change sapphire ring with AIGL and GIA paperwork. The ring features a wonderfully and professionally crafted platinum constr5uction that is marked Sheffield & Sons and shows a 'PT950' stamp underneath the hallmark. The centerstone features natural octagonal modified brilliant cut crown step cut pavilion color change sapphire that shows measurements of 10.72 x 7.77 x 6.33mm with a coloration of Violetish blue and color change to purple with a transparent nature and a total weight of 5.19 carats. The center stone and double pave set shoulders is decorated with a total of 46 round brilliant cut diamonds with measurements of 1.1 - 1.4mm and shows a clarity grade of VS1 - VS2 with a color gradient of F - G and a total weight of 0.43 carats. The piece comes complete with AIGL Inc.(American International Gemological Laboratories, Inc. a GIA certified lab AIGL#: K88E85-EA17414) report and appraisal confirming the above info and giving a total value of $28,766.00. GIA (Gemological Institute of America) Sapphire Grading Report#: 6224267486. The ring size is US 7.
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