PalmBeach Jewelry Men's Emerald-Cut Cubic Zirconia Platinum over .925 Sterling Silver Wedding Band FREE SHIPPING on orders of $30.00 or more - Top Rated Seller - Trusted Since 1952 - 90 Day Guarantee - Easy Returns - Free PalmBeach Jewelry Gift Box Platinum Over Sterling Silver - Quality Stamp (.925) Cubic Zirconia is the premier diamond simulant; CZ is both affordable and brilliantly flawless. Ring Style: Wedding Band Make his wedding day even more special with this channel-set cubic zirconia wedding band featuring .60 carat T.W. in a quietly elegant design of platinum over sterling silver. Sizes 7-13.