Laser-Inscribed Girdles: How Secure Is That Tiny ID?
Intro: Laser-inscribed girdles are tiny ID marks etched on a diamond’s edge. Jewelers and labs use them to match a stone to its grading report or to add an owner’s mark. They look secure because they are microscopic and permanent to the naked eye. But “secure” depends on what you mean: theft recovery, resale proof, […]
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