Treatment : Natural Opal Dimensions : Opal with Chrome Diopside Silver weight of the earrings : 8.2 carat Stone Weight : 1.80 carat Stone Size : Opal 5x7 mm /Chrome Diopside 1.5 mm Finishing : 1.5 micron gold plating Rose Gold Plating 925 Sterling Silver Total Earring Weight : 10 Cts Free Mystery Gift With Any Purchase" Opal With Chrome Diopside Studs Earring 925 Sterling Silver Stud Earrings Natural Gemstone Round Shape