Buy in bulk or just one. Our high-quality 5A cubic zirconia stones are visually indistinguishable from flawless diamonds. Choose from a variety of different sizes to find the perfect round Cubic Zirconia to match your jewelry setting. Beautiful in rings, pendants, earrings, and more! Each round Cubic Zirconia loose stone is shipped to you in a secure, velvet-lined gift box. All packages ship from the United States, typically within two business days of confirmed purchase.
Ranging in size from .25 carat up to 6 carat, you'll find the highest quality round cut CZ loose stones by shopping with a website visited by retail customers and jewelers alike since 1999!
When you’re shopping for loose CZ stones on CubicZirconia.com, know that we use carat-equivalent sizes. That means that when you buy a 2 carat Cubic Zirconia, we match up the size dimensions for a perfect 2 carat diamond and make sure you get a match in size measured in millimeters. For example, in Round cut that would be an 8.00 mm CZ stone, or a two-carat round cut diamond equivalent.
Our flawless selection of the finest AAAAA (5A) diamond-quality CZ loose stones are made to sparkle in any setting. Looking for cubic zirconia jewelry set with round cut CZ gemstones? Click here for our full product catalog of round cut cz jewelry!