HI, center stone of this ring is a natural, earth mined, unheated, untreated, padparadscha sapphire (natural color), 8x5.5 mm, oval shape, 1.55 carats, v v s clarity. The ring has 8 natural rubies, 1.25 mm, round shape, 0.08 cttw, v s 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 5.5 grams; 15 mm wide. LOVE IT OR RETURN IT.