RENÉ BOIVIN - 1970S FOUR BODIES" DIAMOND RING Comprising four articulated rings in 18K yellow gold set with brilliant-cut diamonds. French work. Marked by the René Boivin workshop. Gross weight: 14.36 g. Finger size: 50/51. Accompanied by a notice from Jean-Norbert Salit. A diamond and 18K yellow gold "4 corps" ring by René Boivin, circa 1970. French assay mark. René Boivin maker's mark. Gross weight : 14,36 gr. Size : 50/51. With a Jean-Norbert Salit expertise.