Spectrolite (a type of Labradorite) - dark blue color with spectacular iridescence. Finnish deposit.
Frame: Designer's, handmade, made of 925 * silver, polished to a glossy shine. In the lower part of the ring shank there is a nameplate and a sample of the State Assay Chamber.
The size of the stone is 32x12x3 mm; the weight of the stone is 2.49 g.