Lovely antique amethyst riviere necklace comprising graduated series of oval and round cut amethyst stones, each in 9ct rose gold crown collet settings, linked by two rows of small chains. There are 18 graduated gemstones. The front seven stones are round while the smaller ones on each side are oval. The total length is 380mm and the weight is 38grams. It has a box clasp. Not marked but tests as 9ct.