Whether you choose a natural or lab-grown diamond, always insist on a certification from a recognized gemological laboratory. Certification provides objective, expert verification of the diamond’s characteristics — giving assurance the stone is real and of claimed quality. Avoiding uncertified pieces reduces risk of mislabelling or poor quality. https://londonjewelsmagazine.wordpress.com/2025/11/28/how-to-choose-the-perfect-diamond-gift-in-the-uk-a-helpful-guide-for-thoughtful-shoppers/