14 karat yellow gold ring with a paste center. Centrally mounted faceted mine cut paste stone is set into a six pronged tulip mount. The paste stone measures 5mm diameter. The paste stone can be replaced with your own diamond if desired. Marked: the ring is not hallmarked though it has tested positive for 14 karat gold. Weight: 2.6 grams. Size: 4 3/4. Can be resized