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 vivid slightly bluish green Zambian emerald held in warm gold-toned tweezers at Sapphire Row, showing whitish jardin veils and mossy internal texture across the table Colored Gemstones
Sapphire Row

Gemstone Origin: Why Where a Stone Was Mined Changes Its Value

Origin is the one value factor you cannot see in a stone. Here is how Burma, Mozambique, Kashmir, Colombia and...

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Round brilliant-cut medium bluish green teal sapphire from Tanzania in stainless steel tweezers at Sapphire Row, showing yellowish green and blue-green color zoning, a stone whose gem lab report records species, treatment and origin Colored Gemstones
Sapphire Row

Gemstone Certification: How to Read a Gem Lab Report

A gem lab report is not a grade or an appraisal. It is a record of what a laboratory observed:...

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