STUDIO WATERFALL, a New York-based brand by Mr. KIN TSUKAYAMA. It is known for its unique carved textures and designs that combine diamonds and semi-precious stones. A mini size of the brand's signature smile mark necklace is now available. As well as being jewelry that adds playfulness to your outfit, you can also wear it daily as a good luck charm. Made in the USA. Chain: White Gold Charm: Yellow Gold Thank you for viewing. I used it daily for a while, so there is some wear and tear. Please check the images.