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live October 29 | 02:00 PM
Bonhams - Cornette de Saint Cyr maison de ventes

39 - KAT FLORENCE: PARAÍBA TOURMALINE AND DIAMOND RING

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Estimation

€8,000 - 10,000

Sale fees

36%

KAT FLORENCE: PARAÍBA TOURMALINE AND DIAMOND RING Oval-cut tourmaline surrounded by floral motifs set with pear-cut and brilliant-cut diamonds, signed Kat Florence, French import hallmark for 18-karat gold (750 ‰), ring size 57, gross weight 15.5 g. Accompanied by a report from the Bellerophon Laboratory, No. B52644, dated October 3, 2025, certifying the natural Mozambican origin of this copper-bearing tourmaline, with no indication of treatment and total internal clarity; the laboratory specifies that it may be marketed as “Paraíba.” Also accompanied by a certificate of authenticity from Kat Florence attesting that the diamonds are D Flawless quality, as well as an original illustration and its original case and box. KAT FLORENCE: PARAIBA TOURMALINE AND DIAMOND RING The oval-cut tourmaline is set among floral motifs composed of pear- and brilliant-cut diamonds, signed Kat Florence, with the French import mark for 18-karat gold; ring size P½; gross weight 15.5 grams. Accompanied by a Bellerophon report numbered B52644, dated October 3, 2025, stating that the cuprian tourmaline is natural, of Mozambican origin, with no indications of any treatment, and internally flawless; with the comment, “This cuprian tourmaline may be referred to as ‘Paraiba’ in the trade.” Also accompanied by a certificate of authenticity from Kat Florence stating that the diamonds are D Flawless, an original illustration, and the maker’s case and box. For further information on this lot, please visit Bonhams.com

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Auction details

Fine Jewelry Paris
Thursday, October 29
02:00 PM
6, avenue Hoche
75008 Paris, France

Auction house

Bonhams - Cornette de Saint Cyr maison de ventes +33 1 47 27 11 24 paris@bonhams.com
On Drouot for more than 10 years avec More than 170,000 lots published

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