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The mark on a diamond ring. View 1
The mark on a diamond ring. View 2
The mark is absolutely invisible
The view of the mark when visible
Elements of a mark can be as much as 50mkm small.
A special DiaVis™ device* can be used to visualise the mark and inspect it very accurately
A view of the DiaVis™ device
Large mark under inspection
View1 of Valinmark™ logo
with a row of digits**
View2 of Valinmark™ logo
with a row of digits**
* patent pending
** the digits are 0.3mm height