依托我们的专长和创新技术,我们的钻石分级服务可获得最可靠的结果。
Discover Origin Story, connecting you to the story of your diamond and the positive change it is making on people and the planet.
The De Beers Institute of Diamonds is proud to offer a ground-breaking, low-cost Jewellery Verification service designed to strengthen confidence in natural diamonds.
我们的课程由世界顶级钻石专家撰写,将我们 130 年来在整个钻石业务链中积累的经验与行业分享。