The gold ornaments are gold. If you want to match a gold pendant, you must choose gold. This can be solved by K gold in 18K gold. Common 18K gold is generally divided into three colors, namely k platinum, k gold and rose gold. Among them, K platinum is silvery white, rose gold is reddish pink, and K yellow is golden yellow, which can be matched with gold. Gold is soft and easy to wear and deform. 18K gold is added with 25% other precious metals on the basis of gold, and its hardness is greatly improved, which is four times that of ordinary gold. If the two are matched, the high-hardness lottery gold will wear away the gold after a long time.