About The Brand - Exceptional Detail. Trendy To Timeless Styles. 18-Karat Yellow Gold Over.925 Sterling Silver Faceted Round-Cut Prong-Set Diamond = Approximately 0.10 Ct. Tw.; Color = G-H; Clarity = Si1-2 Approximately 6.5In Long With 1In Extender Lobster Claw Clasp 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 Italy