HI, the stone of this ring is a natural earth mined, colombian emerald, 4 mm, round shape, 0.25 carats, v s clarity. The ring is made in 14kt solid white gold, size 9.75. I offer change the size of the ring to any size from 4 to 14 with no extra charge. I have 2 of this ring, one in yellow gold, and one in white gold, so if you buy it, just send me a message telling me the color of gold and the size that you need. The weight of the ring is 7 grams; 6 mm wide. LOVE IT OR RETURN IT.