Sparkle and shimmer with the iridescent allure of Sagacia's Opal Jewelry. These enchanting jewelry pieces that feature the captivating play of colors of 100% natural and genuine opal are made out of pure 925 sterling silver and are finished with rhodium vermeil as well. For those of you who do not know - the rhodium plating done on our opal jewelry maintains the shine of the jewelry for a long time.