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 natural sapphire held in jeweler's tweezers at Sapphire Row, a finely cut stone destined for a hallmarked precious-metal setting Fine Jewelry
Sapphire Row

Jewelry Hallmarks: The Hidden Language of Fine Craftsmanship and Authenticity

In fine jewelry, real value rarely announces itself. More often it is whispered — pressed in miniature into the inside...

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