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Home > Remove gemstones and diamonds > Remove diamonds
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Home > Remove gemstones and diamonds > Remove diamonds
6 results | 1 pages
GIA Diamond Color Grading Scale
The Gemological Institute of America created this scale of color and clarity grading for diamonds, and it remains the international standard.
How To Measure Faceted Gemstones
Use this chart to guide you as you measure stones to ensure the best fit with your settings.
How To
How To Safely Handle Irradiated Gemstones
With the rising awareness of a variety of health and safety issues, it's important that you know how to handle questions about irradiated gemstones.
How To
Diamond Grading at Rio Grande
In Rio Grande's Gemstone Department, diamonds of every grade are carefully examined and sorted so you get the quality stone you order.
Sizing Round Diamonds
Diamond sizes can vary, so use this reference chart to compare the range of carat sizing to millimeters for easier stone-setting.
How To
The Difference Between Carat and Karat
Here's a quick explanation of carat weight in gemstones versus the term karat, used in gold alloys.

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Rio Grande. A Berkshire Hathaway Company.
A Berkshire Hathaway Company.

Contact 1.800.545.6566

7500 Bluewater Rd NW
Albuquerque, NM 87121 USA

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