Gemstone Journal

Gemstone knowledge from the source: sourcing insights, care guides, and buying advice to help you choose jewelry and stones with confidence.

Morganite gemstones from the Sapphire Row morganite collection
Gem Guides
Sapphire Row

Morganite Gemstone: A Buyer's Guide to Color and Care

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Rare by Nature: red spinel, color-change alexandrite, neon blue-green paraiba-type tourmaline and Padparadscha sapphire in white circles on navy Investing
Sapphire Row

Rare by Nature: Why Colored Gemstones Are Emerging as High-Value Collector Investments

Why collectors are turning to spinel, alexandrite and tourmaline, and how rarity and untreated color shape long-term value.

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The Investment Case for Rare Rubies: 1.87 ct red ruby in a white circle on navy Investing
Sapphire Row

The Investment Case for Rare Rubies: Color, Clarity, and Provenance

How color, clarity, size, origin and treatment shape a ruby's long-term value, and how to buy an investment ruby with care.

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Emeralds as Investments: green emerald from Zambia in a white circle on navy Investing
Sapphire Row

Emeralds as Investments: The Complete Guide to Value, Rarity, and Long-Term Growth

What makes an emerald investment grade: color, clarity, origin, treatment and paperwork, plus the risks to weigh before you buy.

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