Torc design by Rene Boivin, Paris 1970. The front set with three diamond frontal panels with gold rondelle spaces. With 53 fancy brown yellowish and 46 fine white brilliant-cut diamonds. Weight ca. 10,91 ct. Mounted in 18K yellow gold. Signed: René Boivin. Marked on the clasp: 750. Very good condition. Total weight: 153,2 g. Inner circumference: ca. 4.06 x 4.33 in ( 10,3 x 11 cm )