An art nouveau style ring featuring a pear shaped mother of pearl decorated with sparkling marcasite gemstonesmarcasite informationnumber of stones 12stone shape roundstone size 5 x 140mm 2 x 120mm 5 x 110mmcarat weight 017ctnaturalcreated natural marcasitecountry of origin austriamother of pearl informationnumber of stones 1stone shape pearstone size 7mm x 5mmcarat weight 060ctnaturalcreated natural mother of pearlcountry of origin australia