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    The World's Best
    Gemstones
    Presented In
    360°


    Vibrant Color

    Enduring Beauty

    100% Natural

    Browse Gemstones

    Explore Natural Gemstones

    Every Gemstone on James Allen is Examined by a Professional GIA Graduate Gemologist

    • Blue Sapphires

      Blue Sapphires

      Blue sapphire is a primary color gemstone. Its most common secondary hues are purple, violet, and green.

    • Pink Sapphires

      Pink Sapphires

      Pink sapphires are the rarest of sapphire colors and bear many similarities to rubies.

    • Yellow Sapphires

      Yellow Sapphires

      Yellow sapphires resemble yellow diamonds and tend to have fewer inclusions than pink or blue sapphires.

    • Red Rubies

      Red Rubies

      Among the most valued gemstones on the market, rubies are durable and range in color from pink to blood-red.

    • Green Emerald

      Green Emerald

      Emeralds are by far the most stunning of the green color gemstones.

    Design Your Own Gemstone Engagement Ring

    Design Your Own
    Gemstone Engagement Ring

    millecoeurs

    The Mille Coeurs Gemstone Collection

    James Allen offers a sweet selection of gemstone rings and pendants for that

    special occasion.

    JAMES ALLEN GUARANTEE

    100,000 certified conflict-free diamonds,
    all photographed in 360° HD
    24/7 diamond experts, with option for
    real-time diamond inspections
    lifetime warranty
    free shipping worldwide
    hassle-free returns with 100% money back
    Learn More
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