The 18kt Yellow Gold Vermeil Urban Earrings With Black Onyx by Jewel Tree London. The Urban Chain Earrings makes an impact in its classic simplicity and understated edginess. It features an elegant Black Onyx that has been hand-cut to our design specifications and channel set in 18kt Yellow Gold plated Sterling Silver. Please note that the colour of the stone may vary from piece to piece. 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.