Necklace featuring an openwork filigree mandala pendant with marquise cut genuine sky blue topaz stones and diamond accent detail in 18k yellow gold plated sterling silver Blue Topaz is the December birthstone Perfect jewelry gift to expand a woman's fashion wardrobe with a timeless filigree style 18" box chain with spring ring closure Hand-crafted in pure .925 Sterling Silver; 18K Yellow Gold and Rhodium plating added to enhance design and appearance Imported