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Tools and Resources

Useful tools and resources for working with colored stones

Use this chart to identify specific gemstone types that correspond to colors.

Gemstones by Color Chart

gemstones by color chart
Proprietary color chart used for accurate color ordering of gemstones

We developed this color chart to associate a specific color with a number for ease of communicating desired color when ordering from us. The order by number color chart has been a staple of ordering from JFG for years.

Order-by-Number
Color Chart

Size chart of faceted gemstones in round and oval shapes
Size chart of faceted gemstones in marquise and emerald cut shapes

Standard Size Stone Charts

Use these charts to represent standard size stones in different shapes. Due to different screen settings and sizes these do not represent actual sizes.

 

Click here for a printable version of these charts. Print the chart on your printer and make sure scaling is set to 100%.

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