CHAUMET - 1920S SOLITAIRE CUSHION DIAMOND RING 4.62 CARATS Set with a cushion diamond in a claw setting. The platinum setting is highlighted with small diamonds. Joseph Chaumet hallmark. Gross weight: 5.42 g. Finger size: 53. Preliminary LFG examination: L colour, P1 clarity, no fluorescence. Provenance: Jewellery box of a great French aristocratic family. A 4.62 carats diamond and platinum ring, circa 1920. Joseph Chaumet maker's mark. Gross weight : 5,42 gr. Size : 53. LFG preliminary report, in their opinion : color L, clarity P1, no fluorescence.