Gemstones A-Z • Jewelers of America

GEmstones A-z

Learn more about your favorite gemstones

Click through our gemstone guide to learn more about each stone’s history, colors, durability and more.

Amethyst

Amethysts are purple to pastel gems from global mines.

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Ammolite

This gemstone displays captivating, iridescent rainbow colors.

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Aquamarine

A clear blue to greenish-blue, this gem is a variety of the mineral beryl.

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Citrine

A popular variety of quartz that ranges from yellow to brown-orange.

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Diamond Buying Guide

A guide to the world’s most popular gemstone.

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Emerald

A top three most popular gemstone, sourced from Africa, South America and Asia.

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Garnet

Most known for it’s deep red, this stone is one of the most diverse gems.

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Opal

Opal’s light diffraction results in a play of many colors.

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Pearl Buying Guide

A timeless, classic and easily recognizable gemstone.

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Peridot

A yellow-green gemstone found in volcanic and mountain rock and meteorites.

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Ruby

Ruby is known as the “king of precious stones.”

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Sapphire

Sapphires are found in a variety of colors, prized for their deep blues.

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Spinel

Often sourced in red and blue, spinel is sometimes confused with ruby.

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Tanzanite

A relatively new gemstone, tanzanite was discovered in Tanzania in 1967.

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Topaz

Topaz is a durable stone available in a wide range of colors.

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Tourmaline

Tourmaline has one of the widest color ranges of any gem.

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