Platinum Plated .925 Sterling Silver 1cttw Round-brilliant_shape Cubic Zirconia Solitaire Earrings Made with Swarovski Zirconia &hellip; Made with Swarovski Zirconia. 6.5mm 1-Carat Pure Brilliance Fancy Blue Zirconia. Swarovski's Pure Brilliance Cut delivers the same level of brilliance as natural diamonds. Zirconia has near-identical properties to diamonds in terms of brilliance, refraction and durability. inch post for all ear sizes and a large flat backing for a non-drooping secure fit that is very easy to hold on to for placement. Rhodium is a rare metal in the Platinum group that is ultra shiny with a very high reflectance rating. It is non-corrosive and will not tarnish or rust and is not affected by sweat and body acids. It has a high 'hardness' rating which makes it tough to scratch. Each piece is carefully packaged in a luxuriously thick black gift box for a safe transport and gorgeous presentation. At Baron Jewelry, we have a passion for perfection and our collections are made with finest quality.