HI, the center stone of this ring is a natural, earth mined, colombian emerald, 6x4 mm, oval shape, 0.50 carats, v s clarity. The ring has 14 natural, hand set rubies, 1.25 mm, round shape, v s clarity, 0.15 cttw. I have 3 of this rings, one in yellow, one in rose, and the one in the pictures in white gold. The rings are made in 14kt solid gold. The size of the rings is 7.75. I offer change the size of the ring to any size from 3 to 13 with no extra charge, so if you buy it, for a faster service, please send me a message telling me the color of the ring and the size that you need. The weight of the ring is 5.6 grams; 19 mm wide. LOVE IT OR RETURN IT.