Analyze and change hairspring devices to ensure horizontally and circular
place of hairsprings, using Loupes, and‘ equipment.
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3
A little bit of light, some water or warm breath,
and a jeweler's Loupe is all you need.
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4
If a stone is classified as flawless, it means that when you look into the stone-
even with a Loupe- you will not see any imperfections.
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5
The good news is that jewelry often comes engraved with the karat grade already- 14K and 18K are the most common in better-quality pieces-
though you may need a Loupe or magnifying glass to spot it.