Step 4: Gem Grading
As a professional, grading and valuing gemstones, you will occasionally come across stones that need recutting and you need to know when it is worth while. Showing your customer how a stone’s appearance can be improved, what it will cost and how the value changes, will bring you increased respect. This often leads to a new setting and possibly side stones.
In addition, you need to know how to value old …
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