ETE Ruby Single Stone Necklace K10YG Crown 1.5g The size is 0.4cm in diameter for the top and 40cm for the chain. The material is K10YG and weighs 1.5g. The crown design is cute when viewed from the side. After removing dullness and discoloration with a jewelry cloth, etc., it has been cleaned with an ultrasonic cleaner. This is an authenticated item 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.