Using laser to mark key information ensures counterfeit prevention and integrity of high value, luxury goods.Manufacturers of jewellery use lasers to decorate and personalise their products. In this application, the laser is part of the manufacturing process and is seen as adding value to the product. Lasers are used because they are digital, clean, fast and cost-competitive with alternative technologies. It also significantly de-skills the traditional process of hand-engraving. Abmark lasers are also approved for the application of hallmarks.