HI, the center stone of this ring is a london blue topaz, 9x7 mm, oval shape, 2.10 carats, v v s clarity. The ring has 2 natural diamonds, 1.25 mm, rounds shape, SI1 clarity, color g-h, 0.02 cttw. 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 with the size that you need or if you want the ring like is. The ring is 5.8 grams, 9 mm wide. LOVE IT OR RETURN IT.