18k yellow gold herringbone choker necklace featuring a central motif set with seventy-six modern brilliant-cut diamonds and a cabochon ruby approx. 1.50 ct, extended by twenty square-cut diamonds, secure ratchet clasp. Italian work from 1980-90. Estimated total weight of diamonds: 4 ct Ruby size: 8.4 x 6.2 x 3 mm Length : 39 cm - Width : 1.4 cm Gross weight : 143,5 g