This stone is a amazing deep blue color. It has some soft( unseen by the eye, )natural silk in it. fantastic color. we purchased this in a collection from a fellow miner in Montana. it is one of 2 left. This one is a world class sapphire. It's 8.9x6.6mm. and a phenomenal radiant cut.It is vvs clarity and a fantastic size for a amazing ring or pendant.