an image of a black stone and diamond ring on a white background
BOISGIRARD ANTONINI PCA

395 - Platinum ring (min. 800%) set with an octagonal step-cut ony…
See original version (French)

Estimate €600 - €800
Description
Platinum ring (min. 800%) set with an octagonal step-cut onyx flanked by old-cut diamonds. Circa 1920–30. Art Deco period. Ring size: 53. Gross weight: 4.7 g.
See original version (French)
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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