This 18k gold necklace features a ruby flower pendant with diamond accents on a chain with a lobster clasp closure. Every Roberto Coin piece is signed with a small ruby set on the inside in direct contact with the wearer. 18k white gold. Diamonds: 0.95 tcw. Ruby: 1.07 tcw. Made in Italy. Roberto Coin purchases polished diamonds only from legitimate sources who subscribe to an international system of certification and warranties known as the Kimberley Process Certification Scheme (KPCS) and The System of Warranties. Roberto Coin has a zero-tolerance policy towards conflict diamonds.