A stunning art deco ring crafted from sterling silver featuring a central round opal cabochon gemstone surrounded by tiers of sparkling marcasite gemstonesopal informationnumber of stones 1stone shape roundstone size 600mmcarat weight 055ctnaturalcreated natural opalcountry of origin australiamarcasite informationnumber of stones 8stone shape roundstone size 2 x 110mm 6 x 090mmcarat weight 007ctnaturalcreated natural marcasitecountry of origin austria