PalmBeach Jewelry 4-Carat Round Cubic Zirconia 14k Yellow Gold-Plated Solitaire Ring Top Rated Seller - Trusted Since 1952 - 90 Day Guarantee - Easy Returns - Free PalmBeach Jewelry Gift Box 4.00 carat 10mm Round shaped center stone Cubic Zirconia is the premier diamond simulant; CZ is both affordable and brilliantly flawless. Ring Style: Solitaire Bridal - Theme: Impressive Imposters, Essentials Dramatic 4 carats of brilliant cubic zirconia shines from a lovely polished setting. 14k Gold-Plated. A wedding day classic for sizes 5-10.