3.20 TCW Marquise-Cut and Baguette-Cut Cubic Zirconia 18k Yellow Gold over Sterling Silver Ring" /> Top Rated Seller - Trusted Since 1952 - 90 Day Guarantee - Easy Returns - Free PalmBeach Jewelry Gift Box 18k Yellow Gold Over Sterling Silver - Quality Stamp (.925) Cubic Zirconia is the premier diamond simulant; CZ is both affordable and brilliantly flawless. Ring Style: Engagement/Anniversary - Theme: Impressive Imposters Dazzled with fiery marquise-cut cubic zirconia, this spectacular ring is a glitter-girl look sparkling even brighter with round and tapered baguette cubic zirconia accents. 3.20 carats T.W. 18k gold over sterling silver. Sizes 6-10. (All carat weights are approximate and may vary slightly from those listed.)