Diamond rivière necklace Platinum choker set with 10 brilliants of decreasing size from 2.30 ct to 0.60 ct (total: +/-11.5 ct) and a row of 59 small brilliants from 0.3 to 0.05 ct (total: +/-5 ct). Security chain. In its case. Hallmark: none. It is accompanied by a portrait painted by Christos Simat