Sapphire Row
Morganite Gemstone: A Buyer's Guide to Color and Care
How to choose morganite: what creates its pink and peach color, how heat treatment and cut change it, and how to wear it daily.
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Sapphire Row
Padparadscha Sapphire: A Buyer's Guide to the Rare Pinkish-Orange Sapphire
What makes a sapphire a padparadscha, how labs define its pinkish-orange color, where it comes from, and what to check before buying.
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Sapphire Row
Tanzanite Gemstone: A Buyer's Guide to Color, Cut and Care
Tanzanite is heated, shows three colors and comes from one place on Earth. How to judge its color and cut, and how to wear it well.
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Sapphire Row
Tourmaline Gemstone: A Buyer's Guide to Rubellite, Indicolite and Paraiba-Type Colors
Tourmaline's main colors, from rubellite and indicolite to Paraiba-type, and how to judge color, clarity, cut and treatment.
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Sapphire Row
Spinel Gemstone: A Buyer's Guide to Red, Pink and Blue Spinel
How to choose spinel by color, clarity, cut and treatment, and how to tell red, pink and blue spinel from ruby and sapphire.
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Sapphire Row
Parti Sapphires and Teal Sapphires: The Beauty of Color Zoning
What gives parti and teal sapphires more than one color, how the cut changes what you see, and how to judge one before buying.
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Sapphire Row
Identifying a Real Pearl: How to Tell Authentic Pearls from Imitations
Simple ways to tell a real pearl from an imitation, from luster and the tooth test to drill holes, plus what makes a fine pearl.
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Gil Golan
Ruby Sourcing: Everything You Need to Know
Where rubies come from, what sets their color and value, and how origin, treatment and lab reports shape a confident ruby purchase.
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