Three row pearl necklace

An Art Deco triple-row graduated cultured pearl necklace, pearls ranging from 5.1 - 10.1mm, on 18ct gold and platinum sapphire and diamond geometric clasp, total diamond content approx 1.14ct, length 38cm, pearls are a pale cream colour with pink and yellow overtones, medium to heavily pitted, fair lustre, several minor nacre chips around drill holes and off-round shape, diamonds very bright and lively, fitting working, unmarked mount tests as 18ct and platinum.