How to Purchase a Diamond
Understanding the 4 C’s
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Bluestone Trading Virtual Clarity Grading Booklet
![GIA Clarity Scale](https://www.bluestone-trading.com/wp-content/uploads/2017/09/GIA-Clarity-Scale.png)
Clarity Grading Booklet
Because diamonds are formed deep within the earth and under extreme conditions, they often contain unique birthmarks.
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Color Grading
Tray
Perfect for sorting, grading diamonds or other gemstones.
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Diamond Buying Guide
Diamonds are graded using 4C’s grading system to determine quality (Cut, Color, Clarity and Carat).
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Weight Calculation Guide
Use this guide to estimate the weight of a diamonds that are mounted in jewelry.
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