Round brilliant-cut amethyst in a vivid reddish purple with violet-purple flashes around the crown, photographed face-up on a pale gray background at Sapphire Row
Amethyst
Sapphire Row

Purple Gemstones: A Gemologist's Guide to Choosing the Right Purple

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

Gemstone Journal

Vivid green oval-cut natural emerald held in jeweler's tweezers, an example of investment-grade color at Sapphire Row Colombian Emeralds
Sapphire Row

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

What makes an emerald investment-grade? A gemologist's guide to the quality factors, origins, treatments, and certification standards that drive emerald...

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