A stunning art deco style ring crafted from sterling silver set with a shell mother of pearl cabochon gemstone offset with sparkling marcasite gemstonesonyx informationnumber of stones 1stone shape ovalstone size 17x6mmcarat weight 130ctnaturalcreated natural mined stonewedding anniversaries 7thmarcasite informationnumber of stones 14stone shape roundstone size 130 160mmcarat weight 023ctnaturalcreated natural mined stonecountry of origin austria