Handcrafted by Navajo artist Derrick Gordon. He was born in Gallup, New Mexico in 1971. His mentor was his uncle Delbert Gordon. Derrick utilizes fine natural turquoise to create old style traditional jewelry with heavy stamp work.Set in solid sterling silver with genuine black onyx. The ring's setting measures 1" at its widest point along the sides and tapers down to a 1/8". This design creates a comfort fit. The oval stone 3/4" x 1/2".