18kt recycled yellow gold polished finish 43 cm / 16.9 inch delicate chain claw/prong setting round brilliant-cut white diamond totalling 0.5 carat clasp fastening All products are handcrafted. Hallmarked in the United Kingdom at the London Assay Office. Normal everyday use and external agents may reduce the lustre of gemstones and gold surfaces. To maintain, use specific, non-abrasive products specially meant for cleaning jewellery. This item is made from at least 50% recycled or upcycled 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. Learn more about what makes a product Conscious on our Conscious Criteria page