Gemstone Journal

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

Morganite gemstones from the Sapphire Row morganite collection
Gem Guides
Sapphire Row

Morganite Gemstone: A Buyer's Guide to Color and Care

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Spinel Gemstone: vivid red spinel, pink spinel, blue spinel and purple spinel in an arc Gem Guides
Sapphire Row

Spinel Gemstone: A Buyer's Guide to Red, Pink and Blue Spinel

How to choose spinel by color, clarity, cut and treatment, and how to tell red, pink and blue spinel from ruby and sapphire.

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Purple Gemstones: purple amethyst, purple sapphire, purple spinel and purple rhodolite garnet on a white card over a soft purple page Color Guides
Sapphire Row

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

Amethyst, purple sapphire, spinel, tanzanite and rhodolite: what separates a fine purple from a dull one, and how each wears.

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August Birthstone Guide: green peridot, red spinel, green peridot and vivid pink spinel Birthstones
Sapphire Row

August Birthstone Guide: Peridot, Spinel and Sardonyx

August has three birthstones: peridot, spinel and sardonyx. How each looks, wears and is judged, and which one suits you.

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