RENÉ BOIVIN SAPPHIRE AND DIAMOND 'RAISINS' BROOCH Oval and round-shaped cabochon sapphires, old, rose-cut and round diamonds, 18k yellow gold (French marks), signed R. Boivin, brown René Boivin case René Boivin Joaillier, 2023: Certificate of Authenticity no. 202309 DM Size/Dimensions: 9.7 x 6.5 cm Gross weight: 105.8 grams
RENÉ BOIVIN SAPPHIRE AND DIAMOND 'RAISINS' BROOCH Oval and round-shaped cabochon sapphires, old, rose-cut and round diamonds, 18k yellow gold (French marks), signed R. Boivin, brown René Boivin case René Boivin Joaillier, 2023: Certificate of Authenticity no. 202309 DM Size/Dimensions: 9.7 x 6.5 cm Gross weight: 105.8 grams
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