HI, the center stone of this ring is a natural, earth mined, orissa rhodolite garnet, 10x8 mm, emerald cut, 3.3 carats, v v s clarity. The ring has 12 natural rubies on the sides, 1.25 mm, round shape, 0.12 cttw, vs clarity, hand set. It is made in 14kt solid white gold, size 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, just send me a message telling me the size that you need or if you want the ring like is. The weight of the ring is 4.6 grams; 11 mm wide. LOVE IT OR RETURN IT.