Austin: 7mm 2.5ct Russian Ice on Fire CZ Crown Set Screw Back Earrings 925 Sterling Silver, 1037 Add a touch of royalty to your wardrobe with our Austin line of stud earrings featuring fancy, multi-point crown settings. Hard-to-find threaded posts with screw-on backs! Made with solid 925 Sterling Silver with a protective White Rhodium Finish. Each earring features 7mm, 1.25ct Russian Ice on Fire CZ, for a total of 2.5ct for the set