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    • Diamonds
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      • Anniversary Collection
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        • Alexandrite
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        • Champagne Sapphire
        • Diamond
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    Chatham Inc.
    • Education
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    • Our Story
    • Anniversary Collection
    • Timeless Collection
    • Bar Collection
    • Color Fashion Collection
    • Celestial Collection
    • Diamond Fashion Collection
    • Eternal Flame Collection
    • Initial Collection
    • Millennium Collection
    • Sticks & Stones Collection
    • Colored Stone Engagement Rings
    • Diamond Engagement Rings
    • Gemstones
    • Alexandrite
    • Aqua Blue Spinel
    • Blue Sapphire
    • Champagne Sapphire
    • Diamond
    • Emerald
    • Padparadscha
    • Pink Sapphire
    • Ruby
    • White Pearl
    • Jewelry Type
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    • Earrings
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    Ruby Gems

    Gems of passion, rubies burn with undying flames. For most of recorded history, rubies have been the most valuable gems. Chatham’s lab-grown rubies have a pigeon’s blood color and a clarity seen in only the very best mined gems.

    More About Ruby Gems
    Ruby is your gem because...
    Ruby is your gem because...

    You love red

    You are born in July

    You are bold and dramatic

    Your anniversary is in July

    Your child’s birthday is in July

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    Chatham Lab-Grown Rubies
    Chatham Lab-Grown Rubies

    Chatham grows ruby crystals in a six-month process that we’ve refined over decades. We start with a naturally mined seed of fine Burmese ruby. We create the perfect environment rich in chromium to give our crystals a vivid red color. The conditions have to be precisely right: We once lost an entire year’s growth of ruby due to a 0.001% trace of another element in the platinum we use to make our crucibles.

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    The ultimate red gem

    The July birthstone

    The 15th and 40th anniversary gem

    The gem of courage and passion

    Mined in Burma, Mozambique,

    Tanzania, Vietnam, and Thailand

    A symbol of desire

    A variety of corundum, just like sapphire

    The Zodiac Gem for Capricorn

    About Rubies
    About Rubies

    Rubies are the gems of intense emotion, worn by queens and warriors. They are gems of passion, fire and power. Throughout most of history, rubies have been the most valuable gems. In Sanskrit, ruby is ratnaraj, “King of Gems.” In the Bible, wisdom and virtue are said to have a price “above rubies.”

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    OUR MOST POPULAR GEM STYLES

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