The 18kt Yellow Gold Vermeil Urban Cuff Bracelet With Black Onyx by Jewel Tree London. The URBAN CUFF is a uni-sex bracelet design that is effortlessly stylish. It is beautifully crafted to snap fit your wrist and simply enhance your personal style. This Black Onyx Cuff Bracelet is set in Sterling Silver and 18kt Yellow Gold Vermeil. Please note that there may be a slight colour variation in the stones from piece to piece, due to its natural origin. About The Designer: Jewel Tree London’s designer and creative director Deborah Zama creates timeless and elegant jewellery inspired by architectural designs, materials, and forms, featuring a range of semi-precious stones and refined metals. Deborah has innovated the design process by combining traditional practices with modern technology – each of her pieces is individually crafted by hand. To view more of this designer\'s collection please visit Jewel Tree London.