.925 Sterling Silver Round-Cut Pave-Set Diamond = Approximately 0.25 Ct. Tw.; Color = I-J ; Clarity = I1-I2 Gemstone(S): Emerald = Approximately 2.61 Ct. Tw. Approximately 6.75 In Long Y Lock Closure It Is Customary To Treat Most Gemstones To Achieve Enhanced Color And Durability. Some Of These Treatments May Not Be Permanent, And May Require Special Care. Please Note: In Product Titles Ct. Tw. Refers To The Total Carat Weight Of All Diamonds And/Or Gemstones Combined. Made In The Usa