Rest assured knowing that all earrings are stamped with "925" as a symbol of authenticity and a promise of exceptional quality. Gemstone is Heat Treated to enhance color. 2 Created Blue Sapphires Lever back closure Polished finish Prong setting Imported Belk Exclusive Product Specifications 1 in x 0.32 in x 1 in 4.6 ct. t.w. created blue sapphire Material & Care Sterling silver Requires specialty care