Sterling Silver Diamond and Smoky Quartz Ring - Measures 2mm Wide - .03 Carat Diamond Weight .54 Carat Gemstone Weight in Sterling Silver - ::: ::: [ Care and Handling: diamond ] - Clean with warm soapy water and a soft brush or cloth. ::: ::: [ Potential Enhancement Methods: smoky quartz ] - Usually dyed and/or heat treated to produce different colors. Sometimes surface enhanced with a coating to enhance color. ::: [ Care and Handling: smoky quartz ] - Avoid abrasives, harsh chemicals, steam, and ultrasonic cleaning. Clean with warm soapy water and a soft brush or cloth. :::