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aquamarine
Aquamarine Value, Price, and Jewelry Information
Named after the color of sea water, aquamarine is the blue to blue-green member of the beryl family. Readily available...
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Are White Aquamarines Genuine Aquamarines?
Aquamarine is the blue to blue-green variety of beryl. If you encounter so-called white aquamarines, buyer beware. Learn the facts...
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Aquamarine Faceting Information
Aquamarine is known for its sea blue - blue green color. It is also the official birthstone for the month...
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Aquamarine Enhancements
The most common aquamarine enhancements try to turn blueish green stones pure blue. Learn how heating and other aquamarine treatments...
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Aquamarine Sources
Aquamarines are popular gemstones and can be found in many areas worldwide. Learn about some prized varieties and the most...
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Aquamarine Durability
Aquamarines are fairly tough jewelry stones, but they do have some weaknesses. Learn about aquamarine durability and what precautions you...
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Synthetic Aquamarines
Synthetic aquamarines are relatively rare, but gemologists may encounter them. Learn how these stones are made and how to distinguish...
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Aquamarine Buying Guide
No gem evokes the blue-green colors of the sea like aquamarine. Our aquamarine buying guide can help you choose the...
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Distinguishing Aquamarine Imitations
How can gemologists quickly distinguish aquamarines from aquamarine imitations? We’ll review some common lookalikes and their most notable differences.
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Aquamarine Grading and Pricing
Aquamarines are evaluated based on the Four Cs: color, clarity, cut, and carat. Learn how each factor affects aquamarine grading...
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Aquamarine Setting Advice
Aquamarines can look great, but what’s the best way to mount them? Novice jewelers should learn the pros and cons...
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March Birthstone: Aquamarine
The modern birthstone for March is aquamarine, a blue stone often connected to the ocean.
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Six Famous Aquamarines
Aquamarines have been cut into many large and beautiful gemstones. Let’s take a look at six of the world’s most...
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How Do Aquamarines Form?
The March birthstone, aquamarine is a popular gem. Learn how aquamarines form, what they look like, and how they get...
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Aquamarine Color and Heat Treatment
There's more to aquamarine color than blue. Most natural stones start blueish green and are heated to blue. Learn the...
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Birthstone Chart
What are the birthstones by month? January is garnet, February is amethyst, March is aquamarine, April is diamond, May is...
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Getting the Best Gem Yield from a Crystal
Cutting crystals for the best gem yield is a critical skill for faceters. This walkthrough can help novices learn how...
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Mistress: Online Faceting Designs and Diagrams
The Mistress gem design by Jeff Graham looks like a princess cut but works well with light-colored stones. Learn more...
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Gem Rough Orientation: Looking Beyond the Obvious Cut
Gem rough orientation isn't always simple. Sometimes the obvious cut may not be the best choice. Learn how orienting rough...
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How to Estimate Rough Gemstone Value
Can you tell if gem rough is too expensive? Learn how to estimate rough gemstone value by considering your gem...
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Gemstones That Make Money
What kinds of gems can novice faceters cut to make a profit? Learn which gemstones make money reliably and which...
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Signature #4: Online Faceting Designs and Diagrams
The Signature #4 is Jeff Graham’s favorite trillion cut for light-colored gemstones. This popular design is also fast and easy...
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Precision Faceting a Story Gemstone: Gem Design
In the gem design stage of jewelry making, faceters evaluate a stone's qualities. Learn how to choose a cut for...
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List of False or Misleading Gemstone Names
A list of False or Misleading Gemstone Names and its Actual Gemological Name. Gathered by the source "Gemstones of the...
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Ten Big, Beautiful, and Affordable Engagement Ring Stones
Looking for a gem that will make a big impression on your finger, not your wallet? These ten gems make...
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Before and After: Pictures of Repaired and Recut Gems
Take a look at these before-and-after pics of repaired and recut gems and learn how a great lapidary can improve...
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Precision Faceting a Story Gemstone: The Faceting Process
The faceting process turns rough stones into finished gems. Learn the steps custom faceters take to create unique gemstones that...
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Buying Gemstones in Afghanistan: A Beginner’s Guide
Considering buying gems in Afghanistan? Learn which Afghan gemstones to seek out, which to avoid, and prepare for a “buyer...
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A Visitor’s Guide to Colorado Gemstones
Colorado has a lot to offer gemologists and rock hunters. Before you visit, learn about Colorado gemstones as well as...
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The Foundation Stones of the New Testament
Commentaries on the foundation stones of the Book of Revelation influenced the development of the Western birthstone system. Learn more...
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Faceted Gemstones And Light Return Measurements
What factors determine the light return of faceted gemstones? Facet quality, polish, color, and cut style all play roles. Learn...
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Buff: Faceting Design Diagram
Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this...
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Glow: Faceting Design Diagram
Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this...
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Little Diff: Faceting Design Diagram
Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this...
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Quick Cushion: Faceting Design Diagram
Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this...
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Emerald Treatments and Alternatives
Emerald treatments, such as oiling, are very common. Learn what these techniques do, how emeralds are graded, and what gems...
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Buying Gemstones from Shopping Networks
"Just Ask Jeff" gives his opinions and comments and detailed explanation on Buying Gemstones from shopping networks. Read on for...
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Crystal Trig Glitter: Faceting Design Diagram
Successful tips and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one...
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Pinch: Faceting Design Diagram
Successful tips, details and guide on Faceting Designs. Faceting Design Diagram by Jeff R. Graham that presents various cuts, this...
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Carats and Gemstone Grading
Carats are the units used to measure gem weight and one of the main factors in gem grading. Learn what...
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D-Aqua 1: Faceting Design Diagram
Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this...
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What are Gemstone Enhancements?
Gemstone enhancements improve the appearance and wearability of gems. Learn about the most commonly used procedures and frequently treated types...
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Near “P”: Faceting Design Diagram
Successful tips, details, and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts,...
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Equal: Faceting Design Diagram
Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this...
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Crystal Mine: Faceting Design Diagram
Detailed information and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this...
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A Faceter’s Guide To Dark Saturated Rough Gems
Can you turn dark saturated rough gems into facetable material? Learn how to pick the right cuts and heat treatments...
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King Beryl: Faceting Design Diagram
Successful tips and guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this...
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Common Gemstone Treatments Cheat Sheet
There are so many common gemstone treatments available today that keeping track of them can be difficult. This list and...
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