>Metal: The rings were made of high quality brass plated 18k black gold with rhodium finished. It is not easy turn your finger green or tarnish. Hypoallergenic for sensitive skin. >Gemstone: A big rainbow colorful 6.5mm round cubic zirconia stone at the center of the ring, and surround of the band paved a lot of mini created purple amethyst crystal, which add lots of sparkle. >Stylish: The design of the round created rainbow quartz primary stone ring with 2 flowers is classic and personality, it is a good gift to someone who was very fashion and personalized. Black represents mystery, It's cool to own a black gold ring in your life. >Ring size: Available size 5/6/7/8/9/10, the ring is comfortable and looks absolutely stunning in person. >Packing: A jewelry pouch will come with together as jewelry gifts for your best friend or lovers. If you want some special gifts for your lover, mother, wife, best friend, etc. The sparkle black ring is your unquestionable choice. It is made of brass with 18k black gold plated, The ring with wonderful workmanship, made the metal looks smooth and bright. And you do not worry the it will turn your finger green, the ring band with rhodium finished to protect it tarnish easily, the metal is nickel and lead free, so it is hypoallergenic for sensitive skin.