PalmBeach Jewelry 2.52 TCW Round Cubic Zirconia Inside-Out Hoop 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: Hoop Elegance never goes out of style, and neither will these contemporary inside-out hoop earrings sparkling with 2.52 carats T.W. of channel-set cubic zirconia. Yellow gold tone.