Tahiti cultured pearl necklace,

Tahitian pearl necklace, 35 grey-dark grey Tahiti cultured pearls, beautiful lustre, some with gowth marks, D: from 11.9 to 13.6 mm, on beautiful interchangeable clasp with spiderweb pattern in the centre, wearable on both sides, set with 1 brilliant-cut diamond ca. 0.10 ct, WHITE-STW (H-J) /SI and 1 ruby, surface matted/polished, YG 18K/ Pt., 17.4g, L: 52.5 cm, 21st century, minor signs of wear, necklace should be re-set.