18kt recycled yellow gold Collection 1 diamond hexagon stud earring from Anonymous featuring 18kt recycled gold, round cut diamond, pyramid design, butterfly fastening and G-H/SI1 diamond colour and clarity. Please consider that this is sold as a single earring.. This piece was created exclusively for our FARFETCH customers.. POSITIVELY CONSCIOUS: This Planet Conscious product is crafted from certified recycled or upcycled materials, which helps you make a better choice for the environment as they generate less energy, save water and reduce the need for new raw materials. For recycled synthetic clothing products we highly recommend using a microfibre-catching washing bag to ensure that no microplastics that can pollute water are released in the process..