A modern representation of the simplistic design form of luxury jewelry, the Calliope by Spinelli Kilcollin is crafted in Los Angeles featuring a design comprised of two bands of .925 sterling silver with two complementary adjoining metals of pure 18k yellow and rose gold. Understated minimal elegance, the Calliope is an eloquent interpretation of the harmony of opposites. Made in USA Connectors: 18k rose gold, 18k yellow gold Bands: 2.8mm gauge and 2.3mm gauge .925 sterling silver bands Our Style No. SLKN-WL61 Manufacturer Style No. G2-CALSG