Vintage 10K Yellow Gold & Sterling Silver Moissanite Diamond Necklace. This necklace has a chain of just over 18 inches and the stamp JCM925 sterling silver it is a simple link oval chain. It does have some tarnish and where from use the pendant is also stamped 925 sterling silver, as well as a 10 K for 10 karat, yellow gold that is added to the center to accent dependent at the circular section of the pendant, there are four moissanite set diamonds, tested and verified by a presidium multi tester three. I do accept their offer, so please feel free to leave one and thank you for shopping with me!