PalmBeach Jewelry 5.60 TCW Emerald-Cut Cubic Zirconia Sterling Silver Aurora Borealis Ring 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 Sterling Silver - Quality Stamp (.925) Cubic Zirconia is the premier diamond simulant; CZ is both affordable and brilliantly flawless. Ring Style: 3-Stone Not Bridal Light your days and nights with our magnificent aurora borealis cubic zirconia ring classically designed and glimmering with an extraordinary rainbow of hues. 5.60 carats T.W. of elegance created in sterling silver. Sizes 6-10. (All carat weights are approximate and may vary slightly from those listed.)