Antique C.1910 18ct Yellow Gold Multigem Necklace with Tourmaline, Iolite, Sapphire, Spinel, Quartz Boxed. All stones are native to Sri Lanka. From Left to Right the stones are; Topaz, Citrine, Red tourmaline, Yellow tourmaline, Iolite, Green tourmaline, yellow tourmaline, MIDDLE - Quartz drop tourmaline, iolite, Yellow tourmaline, Red Tourmaline, Sapphire, Green tourmaline, Pink Amethyst, Yellow Tourmaline and Red Tourmaline.  Weight: 21.27g Length: 40cm Drop 26mm Depth 4mm Materials: 18ct yellow gold Hallmarks: None present  Condition: The overall condition is very good Office use: DSCZ