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Gemstones

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Look at that COLOR! Shop Gemstones, Diamonds, Cabochons & Cameos

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TorusRing

Enjoy the remarkable effects of the new TorusRing™ cut in your stone-set designs.

 
Diamonds

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Natural brown diamonds, black diamonds (luscious!), blue, green, yellow (POW!) and the classic beauty: the white diamond. Shop Rio Grande's line of loose diamonds in various shapes and sizes.

 
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If you have the perfect gemstone in mind and don't see it waiting for you here, contact us today!
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Stone-Setting Classes

Stone-Setting Classes

Learn stone-setting in a Rio Grande jewelry-making class!

Butterfly Kiss Druzy Quartz Bib Necklace

Project

The "Butterfly Kiss" Druzy Quartz Bib Necklace—create a buzz!

 
AllSet Master Kit

Revolutionary Stone-Setting with the AllSet® Master Kit

The AllSet® system allows you to quickly and easily achieve perfect, controllable results. Includes the most popular guides to improve setting speed and accuracy. A Rio Grande Tech Team favorite!

 

How-Tos & Information About Gemstones and Diamonds

Silver-Filled Stone-Set Chandelier Earrings Project

Silver-Filled Stone-Set Chandelier Earrings Project

The AGTA Guide to Gemstone Treatments

The AGTA Guide to Gemstone Treatments

  • We use these symbols, set by the American Gem Trade Association (AGTA), to disclose any enhancements that may have been applied to our gemstones. A handy guide for buying and selling stones and stone-set jewelry.
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Mother's Ring Stone-Setting Project

Setting a Three-Stone Mother's Ring Project

  • Learn how to set a faceted stone into a simple prong setting in this how-to project.
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How to Bezel-Set Cabochons

How to Bezel-Set Cabochons

  • Rio Grande's Mark Nelson teaches bezel-setting, a basic stone-setting skill that folds a metal setting over a cabochon, cameo or other stone, in this how-to video.
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Projects to Make, How-Tos to Follow & All You Need to Know About Gemstones!

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Gemstones
Home > Remove Gemstones
51 results | 2 pages
Project
Sterling Multi-Strand Necklace with Trapezoid Lemon Quartz Pendant, Idea Project
Create imaginative, custom settings for unusually shaped stones in this idea project from Rio Grande.
Project
Rose-Cut Cabochon Earrings Project New
Glorious rose-cut cabs are easy to set and their many facets provide a glittering play of light in this project from Rio Grande
Project
Isis Created Emerald and PMC3 Pendant Necklace Project
Learn how to create a channel setting, then set and fire-in-place using PMC3 and an Isis™ Created emerald.
Project
Green Chalcedony Drop Earrings Project
Create attractive drop earrings with wire and irregularly shaped chalcedony slice cabochons in this project from Rio Grande.
Project
Project Accessory "Butterfly Kiss" Druzy Quartz Bib Necklace, Week Seven
Rio's Mark Nelson sets more than a dozen cobalt blue druzy cabochons into sterling silver bezel mountings, then links them together to create a glamorous bib-style necklace. Check out our take on Project Accessory's Week Seven, Red Carpet Buzz
Project
Gold-Plated Earrings with Swarovski Rivoli-Set Drops Project
Learn how to make these gold-plated earrings with circle dangles and Swarovski Elements rivoli crystal drops in this project from Rio Grande.
How To
Caring For Your Cabs
When you know how to care for your cabochons, you help ensure a long, brilliant life for them.
How To
How To Set Oval Gemstones
Here's a tip on how to set oval gemstones.
Chart
Convert Oval Moissanite Gemstones From Millimeters To Carat Weight
Use this handy chart to convert moissanite oval sizes to their equivalent carat weights.
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.
Chart
Convert Pear Moissanite Gemstones From Millimeters To Carat Weight
Use this handy chart to convert moissanite pear sizes to their equivalent carat weights.
Chart
Convert Heart-Shaped Moissanite Gemstones From Millimeters To Carat Weight
Use this handy chart to convert moissanite heart-shape sizes to their equivalent carat weights.
How To
How To Appreciate the Wonder of Moissanite Created by Charles and Colvard
The next best thing to a diamond, and right up there in terms of brilliance, clarity and hardness, moissaniteis the answer to how to answer the need for an affordable diamond.
Chart
Specific Gravity & Refractive Index
Reference the specific gravity and refractive index for over a dozen faceted gemstones with this chart.
How To
Guide to Turquoise Treatment Terms
Learn what each term means as they relate to turquoise stones.
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.
Chart
Steam or Ultrasonically Clean?
Reference this handy chart when you need to know how to best clean any faceted gemstone.
Chart
Convert Cushion Moissanite Gemstones From Millimeters To Carat Weight
Use this handy chart to convert moissanite cushion sizes to their equivalent carat weights.
Chart
Convert Rosette-Cut Moissanite Gemstones From Millimeters To Carat Weight
Use this handy chart to convert moissanite rosette-cut sizes to their equivalent carat weights.
Chart
Convert Marqiuse Moissanite Gemstones From Millimeters To Carat Weight
Use this handy chart to convert moissanite marquise sizes to their equivalent carat weights.
Chart
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
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.
How To
How To Understand Druzy Quartz Grades
All druzy quartz is not the same. Here's how to understand the differences.
Chart
Mohs Hardness Scale
See the Mohs scale, including layman's examples of hardness, for over a dozen different gemstones.
How To
Charles and Colvard Created Moissanite Guarantee
Rest easy using your Charles & Colvard Created Moissanite when you understand how the manufacture guarantees these products.
How To
How To Set Cameos and Cabochons
Here's a tip on how to set flat-backed stones such as cabochons and cameos.
Chart
Convert Round Moissanite Gemstones From Millimeters To Carat Weight
Use this handy chart to convert moissanite round sizes to their equivalent carat weights.
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.
Chart
Convert Trillion Moissanite Gemstones From Millimeters To Carat Weight
Use this handy chart to convert moissanite trillion sizes to their equivalent carat weights.
How To
How To Improve Your Stone-Set Designs with Legendary Settings
A precisely proportioned Legendary setting is the perfect answer to how to achieve a professional setting dependably and quickly.

Showing 1-30 of 51 results


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A Berkshire Hathaway Company.

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