ADAM'S Fine Jewellery & Ladies Watches 12th May 2026

103 89 RENÉ BOIVIN, DESIGNED BY JULIETTE MOUTARD: A RARE AND COLLECTIBLE SAPPHIRE AND DIAMOND ‘NOEUD DE PASSEMENTERIE’ BROOCH, CIRCA 1965 Designed as a stylised slightly articulated Hercules knot set throughout with brilliant-cut diamonds and circular-cut sap- phires highlights, with oval-shaped cabochon sapphire drops, each weighing approximately 16.00cts, mounted in 18K gold, diamonds approximately 17.00cts total, signed René Boivin, with partial maker’s mark for René Boivin, French assay marks, length 7.6cm € 30,000 - 40,000 RenéBoivin: Joaillier, FrancoiseCailles, Paris, 1994, page 320-321 for similarmodels.