ADAM'S Fine Jewellery & Ladies Watches 13th May 2025

57 60 RENÉ BOIVIN A COLLECTIBLE ‘GROSEILLES’ CULTURED PEARL RING Of bombé design, set with graduated cultured pearls, each punctuated with dot gold detailing, mounted in 18K gold, signed René Boivin, with maker’s mark ‘Sté RB’ for René Boivin, French assay mark, with maker’s case, ring size I½ (Probably a design from Juliette Moutard, later reinterpreted by Boivin designer, Marie-Caroline de Brosses) € 15,000 - 25,000 A similar ring is illustrated, page 388, ‘René Boivin, Paris’, by Francoise Cailles, éditions de l’Amateur.