For those who love contemporary designs, this bold natural black onyx gemstone ring is just perfect. This beautifully hand polished black onyx stone is set into an oval shaped sterling silver setting and finished with a solid silver adjustable band. In a deep black colour, it is elegant and sophisticated. Black onyx stimulates the root chakra, the source of physical and spiritual energy that flows through the body. When in balance the body begins to regain strength and stamina.stone natural black onyx material 925 solid silverapprox stone size 31mm x 16mm beautiful gemstones designed by naturethe henryka designer gemstones collection is a celebration of completely natural and beautifully rare gemstones from across the world.each gemstone is carefully hand chosen by us for its natural and un treated colours and patterns. We look for vibrant gemstones we know you will love, as well as rare gemstones you may have never even heard of from all corners of the earth.instead of seeking perfection, we choose gemstones based on the natural quirks and inclusions that make them entirely unique. This means incredible stripes, bold spots, wave like ripples and swirls that give each gemstone its own unique fingerprint.these characterful gemstones are then cut, polished and set by hand into silver jewellery designs, from statement necklaces to rings, earrings and bracelets. When wearing a piece of henryka designer gemstone jewellery, you can be assured that no one will ever be wearing the same piece. It is individual to you.