Jewelry, Eyewear and Watch Design Rockefeller Rock Crystal Diamond Fine Jewelry Ring by Tippy Hung This ring is inspired by the boldness of New York City. It is handcrafted in 14K yellow gold. Featuring a custom trillion cut natural rock crystal and natural diamonds. Holes were drilled into the rock crystal in order to allow the top pave piece to be affixed to it. This was done to create a unique perspective to traditional designs.