Product Details + Faceted Swarovski crystal interchangeable topper.13MM mm in diameter.14 ct gold plated stainless steel and polished stainless steel.RINGS and TOPPERS are INTERCHANGEABLE.Will NOT TARNISH.AN AWESOME CENTER PIECE!!! STYLE WITH BASIC WIDE RING FOR A FUN COCKTAIL RING. Stack with other QUDO INTERCHANGEABLE TOPPERS and RING BASES.#1 PICK your QUDO BASE.#2 Choose your QUDO TOPPER.#3 SCREW it in!!!#4 STACK with other QUDO RINGS.