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Bonhams - Cornette de Saint Cyr maison de ventes

89 - SAPHIRE AND DIAMOND RING

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SAPHIRE AND DIAMOND RING Octagonal emerald-cut sapphire set in a circle of brilliant-cut diamonds, French import hallmark for 18-karat gold (750 ‰), ring size 53, gross weight 5.78 g. Accompanied by an analysis report from Bellerophon certifying that there is no indication of treatment for this sapphire. Report No. A16008 dated April 21, 2026. SAPPHIRE AND DIAMOND RING The octagonal step-cut sapphire is set within a brilliant-cut diamond surround, bearing the French import hallmark for 18-karat gold, ring size M, gross weight 5.78 grams. Accompanied by a report from Bellerophon stating that the step-cut sapphire shows no indication of treatment. Report No. A16008, dated April 21, 2026. For further information on this lot, please visit Bonhams.com

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