Metal Prices: Silver $17.20,   Gold $1,232.75,   Plat $1,261.00  
Rio Grande Jewelry Making Supplies
Sharing your passion for making jewelry.
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diamonds
Home > Remove gemstones and diamonds > Remove diamonds
27 results | 1 pages

Shop a huge selection of diamonds 0.40 ct. and above. With our extensive inventory of GIA-certified diamonds ranging in cut, carat, color and clarity, you can quickly and easily find the perfect stone for your next jewelry piece. SHOP NOW!

Shop our wide, in-stock selection of diamonds less than 0.4 ct. in size
and get your diamonds shipped the same day on most orders placed before 4:30 p.m. Mountain Time. SHOP NOW!

Rio Grande sells diamonds only to members of the jewelry trade who have been established by Rio as qualified diamond buyers. To qualify as a diamond buyer, you must meet one of the following three criteria:

1) be listed with the Jewelers Board of Trade; as a member, you automatically qualify.

2) be able to provide us with a current copy of your business license AND two invoices or statements from another supplier in the jewelry industry.

3) be a student currently enrolled in jewelry-making course who can provide either a letter from your instructor on school letterhead or a copy of your coursework transcript.

Please fax or email your qualifying information to us:

Toll-free: 800.257.7026
Phone: 505.839.3188
Fax: 505.839.3297
Email: gemstones@riogrande.com

If you have any questions about buying diamonds, please contact us; our Gemstone Department is always happy to help.


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diamonds
Home > Remove gemstones and diamonds > Remove diamonds
4 results | 1 pages
Chart
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
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.
Chart
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
The Difference Between Carat and Karat
Here's a quick explanation of carat weight in gemstones versus the term karat, used in gold alloys.

Showing 1-30 of 4 results


Rio Grande. Recommended by jewelers since 1944.

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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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