4℃ K18YG 7P Diamond Necklace 1.3g The size is 1.3cm for the top width and 40cm for the chain. The clasp charm is a spring ring. There are two spring rings. There are no accessories, only the item itself. After removing dullness and discoloration with a jewelry cloth, it has been cleaned with an ultrasonic cleaner. This item has been authenticated and purchased at a brand-specialized antique market participated in by antique dealers who are members of AACD. It is an authentic product that has also been authenticated here after purchase.