HI, the center stone of this ring is a natural, earth mined, purple amethyst, 12x10 mm, oval shape, v v s clarity. The ring has 10 natural light blue aquamarines around the center, 2 mm, round shape, 0.30 cttw, v v s clarity. The ring also has 4 natural rubies on the sides, 1.25 mm, round shape, 0.04 cttw, v s clarity. 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 rose gold. The size of the rings is 7.75. I offer change the size of the rings 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 6 grams; 16 mm wide. LOVE IT OR RETURN IT.