A stunning art deco ring crafted from sterling silver featuring a central round opal cabochon gemstone surrounded by sparkling marcasite gemstonesopal informationnumber of stones 1stone shape roundstone size 500mmcarat weight 031ctnaturalcreated natural opalcountry of origin australiamarcasite informationnumber of stones 26stone shape roundstone size 8 x 100mm 18 x 090mmcarat weight 021ctnaturalcreated natural marcasitecountry of origin austria