PalmBeach Jewelry .80 TCW Round Cubic Zirconia Earrings in Yellow Gold Tone FREE SHIPPING on orders of $30.00 or more - Top Rated Seller - Trusted since 1952 - 90 Day Guarantee - Easy Returns Cubic Zirconia is the premier diamond simulant; CZ is both affordable and brilliantly flawless. Earring Style: Stud Add sparkle to day-into-evening fashions with cubic zirconia earrings, .80 carat T.W., shining with glamour. Yellow gold tone.