A truly out of this world piece, muonionalusta meteorite is referenced as the oldest known meteorite to date and the only to display such wonderful texturing. This 18.3 carat slice is set as a smooth plateau as to best display the remarkable top patterning of intersecting lines forming an intricate geometric arrangement. The metallic gray stone is set in a 22 karat gold bezel with a base and shank of sterling silver .925 brought to brush finish texture. Top measurements of 16.75 mm horizontal x 12.68 mm vertical x 4.65 stone height. Ring size 8.