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

Round brilliant-cut unheated Tanzanian sapphire in a medium bluish green teal, held in stainless steel tweezers at Sapphire Row, showing yellowish green and blue-green color zoning across the crown — the September birthstone beyond classic blue Birthstones
Sapphire Row

September Birthstone: A Gemologist’s Guide to Sapphire

Sapphire is the September birthstone — and it comes in every color except red. A working gemologist’s guide to sapphire...

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