Navajo handcrafted ring by artist Rick Tolino. Set in solid yellow 14kt gold. This is the perfect sized ring, The setting measures 1/2" x 5/8" oval and sits atop a simple split gold wire shank.Easily sized to fit most fingers. Due to the nature of this ring sizing is additional. Please contact us with your size for pricing. 14 Karat specifically refers to the metal mix that is 58.3% gold, compared with 18 Karat that is 75% gold. 14K gold is used for engagement rings, eternity bands, pendants, earrings and other fine jewelry pieces. Sonoran Gold Canyon Turquoise is an interesting turquoise from Senora, Mexico, near Nogales, Arizona, and its neighbor: Nogales, Mexico, which is the northernmost point in all of Mexico. The series of mines bearing this name are on several sites contingent to the American border. Very little hard natural material has been mined here. Most has needed stabilizing to be useful. The high-grade natural material is a medium blue or often medium lime green to darker green. This is usually accompanied by iron pyrite, or brown matrix. The high-grade turquoise from this mine is rare and is considered both esoteric and valuable.