This kit helps you select the best looking top cut quality fancy shaped or round diamonds. Warning: there are very few Ideal-Lights left, people ask for them, but no one makes them anymore. We have several that were scratched, the stone tray glue looks ugly etc. They function perfectly and have been discounted. Just sit any diamond next to the reference CZ and compare them. The locking tweezers and spring gem holders are very useful and can be used with the UV and LED 10X top quality loupe glass lens loupe to check diamond inclusions, jewelry prongs or fluorescence. You can take pictures by placing a phone or point and click camera lens touching the lens of the Ideal-Scope.