Home / Auctions / Autumn Classic Sale, Stockholm 559 / A blue kyanite, 4.95 cts, and brilliant cut diamond ring, tot. 0.50 cts.
18k white gold. Size 17/54.
(incl. buyer's premium)
Kyanite is a rare gemstone, this one from Nepal. Its difference in hardness in different directions takes high skills for a perfect cut.