IGI is the global authority in diamond, gemstone, and jewelry certification. Expert grading, education, and trusted evaluations.

IGI 共同创造了现代激光刻字工艺。 使用非常精细和精确的激光束，可以将字母数字字符、品牌徽标甚至个性化信息刻在钻石的腰围或外圆周上。 使用激光在钻石腰部添加报告编号，可在放大镜下快速识别宝石，验证其所有宝石学细节。

IGI 是钻石、宝石和珠宝认证领域的全球权威机构。 提供专家分级、教育和值得信赖的评估。

IGI 的宝石学院是探索令人惊叹的钻石、宝石和珠宝世界的终极源泉。 无论您是想成为更自信的买家还是行业专业人士，IGI 都能为您提供世界上最多样化的课程，您可以亲自参加，也可以通 …

IGI Diamond Reports accurately assess a diamond's cut, color, clarity and carat weight according to strict international standards.

所有文章, 消费者 教育, 消费者, 专业人士, GemBlog, IGI Worldwide, 实验室培植钻石 四月诞生石的真实面目：15 个你可能不知道的钻石知识

IGI Laboratory Grown Diamond Reports give an accurate assessment of the gemstone’s cut, color, clarity and carat weight according to strict international standards.

IGI Jewelry Reports are issued for pieces featuring natural and lab grown diamonds and gemstones. Each report provides all gemstone and mounting specifics, and clear standardized …

As a global trading hub for luxury goods and fine jewelry, Hong Kong is home to a prestigious institution dedicated […]

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