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

Emerald-cut teal blue sapphire held in jeweler's tweezers, showcasing the durability of corundum gemstones Durability
Sapphire Row

Gemstone Resilience: A Complete Guide to Durability, Hardness, and Care

Beauty is only part of what makes a fine gemstone worth owning. Learn how hardness, toughness, and stability determine gemstone...

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