Diamond brooch, Suzanne Belperron, between 1937 and 1942
Of circular design, pavé-set with circular-cut diamonds, the hoop accented by single-cut and baguette diamonds, French assay marks for platinum (950°/00) and 18 carat gold (750°/00), maker's mark for Groené et Darde, gross weight approximately 11.43 grams, brooch fitting probably modified.
Accompanied by a certificate of authenticity from Olivier Baroin.
Cf.: Françoise Cailles, René Boivin Joaillier, Paris, 1994, pg. 110, for a drawing of a brooch of similar design by Suzanne Belperron for René Boivin.