Brand new addition! This small rectangular ring measures only 1/8" x 1/2". Set in solid sterling silver. The Night Sky design is made from Jet & cultured. This is a great ring that is small enough to be worn alone or stacked with other rings. Complete with a certificate of authenticity. Please contact us with any questions. NAVAJO HANDCRAFTED RING IN STERLING SILVER NIGHT SKY JEWELRY COLLECTION: Inspired by the clear dark night skies of the Navajo Nation. The Black you see is called "JET "and is a fossilized wood, which has been compressed over millions of years. Multiple pieces of stone make up the mosaic image. The stars are made from pieces of silver and the larger star and moon along with the shooting star are made from Cultured Opal.