PalmBeach Jewelry 4.00 TCW Round Cubic Zirconia Platinum over Sterling Silver Stud Earrings Top Rated Seller - Trusted Since 1952 - 90 Day Guarantee - Easy Returns - Free PalmBeach Jewelry Gift Box Platinum Over Sterling Silver - Quality Stamp (.925) - 2.00 carat 8mm Round shaped center stone Cubic Zirconia is the premier diamond simulant; CZ is both affordable and brilliantly flawless. Earring Style: Stud - Theme: Impressive Imposters, Modern Brides, Bridal Party Gifts, Evening and Party Wear Quintessential stud earrings are an impressive 4.00 carats T.W. of cubic zirconia brilliance. Fashioned in the most-wanted design of all and detailed in luxurious platinum over sterling silver.