Ross-Simons - 3.25ct t. w. Cubic Zirconia Jewelry Set: Three Stackable Bezel Rings. Size 9. This shimmering stack costs a lot less than it looks! Bright with 3.25 ct. t. w. CZs, these three bezel rings can be worn individually or together. Set in sterling silver. 1/2" wide when worn together; 3/16", 1/4" and 3/8" wide individually. CZ ring set. CZ weights are diamond equivalents.