This sparkling stackable ring features five glistening prong-setLondon blue topaz gemstones set in highly polished sterling silver. Gemstone colors: Blue Gemstone shapes: Round Five prong-set round-cut London blue topaz each measure 4 mm Total gemstone weight: 1 1/2 carats Metal: Sterling silver Finish: High polish Metal weight: 3.2 grams Ring setting dimensions: 4.35 mm wide Band dimensions: 2.25 mm All carat weights and measurements are approximate and may varyslightly from the listed dimensions. Treatment code E (Topaz). See Treatment Guide for furtherinformation. Click here for ring sizing guideThis ring cannot be resized.