A beautiful art deco style necklace crafted from sterling silver and set with a faceted pear shaped blue topaz gemstone offset with sparkling marcasite gemstonesblue topaz informationnumber of stones 1stone shape pearstone size 8mm x 6mmcarat weight 122ctnaturalcreated natural blue topazcountry of origin brazilmarcasite informationnumber of stones 3stone shape roundstone size 1 x 150mm 2 x 140mmcarat weight 005ctnaturalcreated natural marcasitecountry of origin austria