CHIMENTO necklace with pendant set with amethyst, rock crystal and mother-of-pearl,

CHIMENTO necklace with pendant, set with amethyst, rock crystal and mother of pearl, ca. 2,2 x 1,3 cm, yellow gold/red gold 18K, 27,9 g, L: ca. 46 cm, W: ca. 0,7 - 1,4 cm, pendant ca. 2,9 x 2,8 cm, 21st century, minimal signs of wear, with Italian hallmarks.