A 19th century citrine riviere necklace, the nineteen graduated oval mixed cut citrines collet set in yellow metal and interspersed with twin chain links, with concealed clasp, 42cm long, weight approx 37g Condition report: Largest stone measures approx 16.5mm x 13mm x 7.5mm deep, smallest measures approx 11mm x 8mm x 5mm, zoning to some of the stones, some very slight abrasion to some of the stones but not significant, clasp feels secure, general wear, refer to images