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

A collector examines a gem box of pastel pink oval and round-cut gemstones at Sapphire Row, the kind of matched parcel prized by colored gemstone collectors Alexandrites
Sapphire Row

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

Collectors are turning to rare colored gemstones — spinel, alexandrite, and tourmaline among them. Here is how rarity, untreated color,...

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