A beautifully designed art deco style ring with black onyx and marcasite gemstonesblack onyx informationnumber of stones 5stone shape square rectanglestone size 1 x 4mm x 4mm 4 x 4mm x 2mmcarat weight 029ctnaturalcreated natural black onyxcountry of origin brazilmarcasite informationnumber of stones 22stone shape roundstone size 100mmcarat weight 019ctnaturalcreated natural marcasitecountry of origin austria