From The Cosmic Collection. Made from 18K yellow gold, Syna's necklace features a sun-inspired pendant embellished with a luminous orange chalcedony cabochon and shimmering champagne diamonds. Orange chalcedony, 2 tcw Champagne diamonds, 0.04 tcw Diamond color: I Diamond clarity: SI2 18K yellow gold Lobster clasp Imported SIZE Length, about 18" Pendant diameter, about 0.5".