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A Platinum, Color Change Sapphire and Diamond Ring, http://catalogues.lesliehindman.com/asp/fullCatalogue.asp?salelot=494++++++327+&refno=10343194&saletype=%20

Sold for:
$13,750

containing one modified cushion cut color change sapphire weighing approximately 6. 94 carats and two triangular brilliant cut diamonds weighing approximately 0.66 carat total set within a platinum setting signed Tiffany & Co. Stamp: TIFFANY & Co. PT950. Please contact the Jewelry Department for further information on the American Gemological Certificate results. Accompanied by an American Gemological Laboratories sapphire identification and origin certificate number 1082658, dated March 29, 2017, stating Origin: Ceylon (Sri Lanka), Enhancement: No gemological evidence of heat, Clarity Enhancement: None. Accompanied by a Gem & Pearl Laboratory sapphire report certificate number 08844, dated November 2, 2013, stating Result: Natural Sapphire, Comments: no evidence of heat treatment was observed, this sapphire appears blue in daylight and purplish blue in incandescent light, Origin opinion: Sri Lanka. 4.23 dwts.

Leslie Hindman Auctioneers

Auctioneer:
Leslie Hindman Auctioneers

Date:
2017-04-23

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Platinum Colorchange Sapphire and Diamond Ring

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Sold for:
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Platinum, Color-change Sapphire, and Diamond Ring, set with an oval-shaped color-change sapphire measuring approx. 12.99 x 12.32 x 7.27 mm, weighing 9.32 cts., further set Read more…

Auctioneer:
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A Platinum Synthetic Color Change Sapphire and Diamond Ring

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Sold for:
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containing one cut synthetic color change sapphire weighing approximately 17.00 carats and eight straight baguettes weighing approximately 0.80 carat total. Stamp: PLATINUM (maker's mark). 6.80 Read more…

Auctioneer:
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A 635 Carat Oval Mixed Cut Color Change Sapphire

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Sold for:
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measuring approximately 13.47 x 9.53 x 6.02 mm. Accompanied by an American Gemological Laboratory sapphire identification report number CS 68808, dated July 6, 2015, stating Read more…

Auctioneer:
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An 18 Karat White Gold and Color Change Sapphire Ring

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Sold for:
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containing one cushion cut color change sapphire weighing approximately 14.22 carats and numerous round brilliant and triangular brilliant cut diamonds weighing approximately 1.45 carats total. Read more…

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Arts Crafts 14kt Gold Color Change Sapphire and Diamond Ring

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Sold for:
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Arts & Crafts 14kt Gold, Color Change Sapphire, and Diamond Ring, set with a cushion-cut blue changing to violet sapphire measuring approx. 10.69 x Read more…

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GENTLEMAN"S NATURAL COLOR CHANGE SAPPHIRE AND DIAMOND RING 18k wg, ca. 1930. Oval faceted sapphire, approx. 1 ct., flanked by a pair of triangular cut Read more…

Auctioneer:
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Unmounted gemstones 2275 cts oval faceted rubeliet tourmaline 2 ct cabochon cats eye alexandrite ten faceted color change sapphire approx 11 cts tw twentynine cts oval cabochon rutilated s

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Auctioneer:
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18kt White Gold ColorChange Sapphire and Diamond Ring

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Date:
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