Unique mark

17 Sept 2019, 00:00
Unique mark

A patented technology for marking the surface of a diamond, the optical characteristics of which cannot be copied using special optical equipment. Therefore, the applied mark is unique. Applying the mark not to the surface, but deep inside the diamond, ensures it will be preserved for centuries.

A method is known for tagging money, documents, paintings and other items made on a fibrous basis.

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