Opsydia perfects internal identifier that doesn't affect the clarity grade of flawless diamonds
Opsydia perfects internal identifier that doesn’t affect the clarity grade of flawless diamonds The UK-based diamond security innovator has created its smallest and faintest sub-surface identifier to date, signalling a new era of diamond security that’s independently verified by leading grading laboratories By: Diamond World News Service | | Reference: 25372 This alphanumeric identifier is less than 50 μm across and is not...
Source: diamondworld.net