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Tourmalines
Article
Factors in Colored Stones that Interact to Affect Value

Part 4 of 5 in the series: Value Factors, Design, and Cut Quality of Colored Gemstones (Non-Diamond). This article digs deeper into cutters’ choices and explores additional factors used in the trade to assess relative value.

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Article
Colored Gemstone Value Factors

Part 1 of 5 in the series: Value Factors, Design, and Cut Quality of Colored Gemstones (Non-Diamond). This article discusses the major value factors that affect the price of a colored gemstone.

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Ametrine top view cut
Article
Colored Stone Cut Quality: What to Look For

Part 5 of 5 in the series “Value Factors, Design, and Cut Quality of Colored Gemstones (Non-Diamond)” explores craftsmanship’s bearing on cut quality.

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Kunzite top and side view
Article
Colored Stone Darkness & Brightness

Part 3 of 5 in the series: Value Factors, Design, and Cut Quality of Colored Gemstones (Non-Diamond). This article examines how cutting decisions can have a profound affect on a gemstone’s color quality.

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Firefighter Memorial
Article
Gem Cutting Styles - Definitions

Part 2 of 5 in the series: Value Factors, Design, and Cut Quality of Colored Gemstones (Non-Diamond). This article establishes a common language for discussing cutting styles, with a focus on basic faceting styles, and offers a short discussion on cabochons and beads

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Article
Super Bowl Rings: A Gallery of NFL Championship Rings

Browse a gallery of popular Super Bowl rings, ranging from the original NFL Championship through the modern Super Bowl.

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Free Application for Federal Student Aid (FAFSA)

Free Application for Federal Student Aid (FAFSA)

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Ringwoodite in diamond, and diamonds in Earth.
Diamonds Help Solve the Enigma of Earth’s Deep Water

The first installment of G&G’s newest section explores how natural diamonds shed light on the mystery of water found in Earth’s deep mantle.

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Financial Aid Forms

Financial Aid Forms

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Suite containing over 36 carats of Yogo sapphire
Gemological Characterization of Sapphires from Yogo Gulch, Montana

A look at the mining and distinguishing characteristics of this naturally vibrant blue sapphire.

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