The 18kt Yellow Gold Vermeil Urban Cufflinks With Green Onyx by Jewel Tree London. The Urban Cufflink is a clean and elegant design with a strong individual style statement. Created for the quintessential urban - condent, mobile and versatile. The geometric lines in our Urban Collection embrace deep jewel tones that reflect a bold attitude with subtle sophistication. Inspired by architecture this contemporary uni-sex cufflink design features an elegant semi-precious stone that has been hand-cut to our design specifications and set in Sterling Silver. Please note that there may be a slight colour variation in the stones from piece to piece due to their 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.