HI, the center stone of this ring is a natural, earth mined, ametrine, 8x6 mm, emerald cut, 2.1 carats, v v s clarity. The ring has 4 natural diamonds, SI1 clarity, color g-h, 0.10 cttw. The ring is made in 14kt solid gold. I have 3 of this rings, one in yellow, one in rose, and the one in the pictures in white 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 4.8 grams; 9.5 mm wide. LOVE IT OR RETURN IT.