Kay Jewelers Sterling Silver and 10K Yellow Gold pendant necklace. .925 Sterling Silver 17" chain. Stamped ".925". .925 Sterling Silver and 10K Yellow Gold Pendant. Stamped ".925" and "10K". Unknown blue "floating" center stone. Total weight of pendant and necklace is 4.0 Grams or .14 Oz. Comes in original boxes from Kay Jewelers.