Unique necklace with amethyst approx. 9 ct, 4 diamonds totaling approx. 0.6 ct,

Unique necklace with round faceted amethyst ca. 9 ct, 1 old-european and 3 navette-cut diamonds totalling ca. 0.6 ct, ca. WHITE-STW (H-I)/SI-P1 and 1 fine Akoya cultured pearl 8.2 mm, center piece with handcrafted necklace, 14K yellow gold, 24.9 g, L: 44 cm, ca. 1950s, mint condition, center piece with maker's mark, modern clasp.