A beautifully designed art deco style ring with black onyx mother of pearl and marcasite gemstonesblack onyx informationnumber of stones 2stone shape pentagonstone size 6mm x 5mmcarat weight 010ctnaturalcreated natural black onyxcountry of origin brazilmother of pearl informationnumber of stones 1stone shape roundstone size 8mmcarat weight 150ctnaturalcreated natural mother of pearlcountry of origin australiamarcasite informationnumber of stones 8stone shape roundstone siz