Necklace in yellow gold 750 thousandths, featuring a central openwork crescent motif with latticework and adorned with nine old-cut diamonds, the largest approx. 0.50ct, and ten cabochon sapphires, all held by a gourmet link chain, secure ratchet clasp. French M.O.: E.C. Estimated total weight of diamonds / sapphires: 1.70 / 0.40 ct Design height: 1.5 cm - Design length: 7.5 cm Chain length: 36 cm Gross weight: 42.3 g