HI, the center stone of this ring is a natural, earth mined, brown spinel, 7x6.3 mm, oval shape, 1.2 carats, v v s clarity. The ring has 2 natural emeralds on the sides, 1,25 mm, round shape, 0.02 cttw, vs clarity. It is made in 14kt solid yellow 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 3.8 grams; 6.5 mm wide. LOVE IT OR RETURN IT.