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a blue sapphire and diamond ring on a black surfacea close up of a ring with a blue stone on a black surfacean image of a ring with a lapis stone in it
BOISGIRARD ANTONINI PCA

213 - Platinum (950‰) signet ring set with an oval sapphire in a c…
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Estimate €1,600 - €1,800
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Description
Platinum (950‰) signet ring set with an oval sapphire in a closed setting (slight wear), flanked by English-cut diamonds (slight chips). French craftsmanship, circa 1930. Art Deco period. Ring size: 44. Gross weight: 15.7 g.
See original version (French)
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About the sale [Nice] Jewellery – Watches & gold items – ANANTARA PLAZA
Auction location
Auction time 07/26/2026 at 10:00 AM
Pictures credits: Contact the Auction House
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