Blue

Showing 985–1008 of 1182 resultsSorted by latest

  • 4.55-Carat Rich Blue Tanzanite

    4.55-Carat Rich Violet-Blue Tanzanite

    $3,100.00

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  • 8.34-Carat Rich Blue Tanzanite

    8.34-Carat Rich Blue Tanzanite

    $5,800.00

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  • 8.76-Carat Royal Blue Tanzanite

    8.76-Carat Royal Blue Tanzanite

    $7,000.00

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  • 9.84-Carat Bright Blue Tanzanite

    9.84-Carat Bright Blue Tanzanite

    $5,900.00

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  • 6.03-Carat Deep Blue Tanzanite

    6.03-Carat Deep Blue Tanzanite

    $4,800.00

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  • A 1.50-carat Rich Blue Montana Sapphire (Heated) rests elegantly on a white surface, its deep blue hue captivating the eye.

    1.50-Carat Rich Blue Montana Sapphire (Heated)

    $3,300.00

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  • 1.03-Carat Medium Blue Montana Sapphire (Heated)

    1.03-Carat Medium Blue Montana Sapphire (Heated)

    $1,700.00

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  • 1.47-Carat Medium Blue Montana Sapphire (Heated)

    1.47-Carat Medium Blue Montana Sapphire (Heated)

    $2,900.00

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  • 0.85-Carat Medium Blue Montana Sapphire (Heated)

    0.85-Carat Medium Blue Montana Sapphire (Heated)

    $850.00

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  • 1.60-Carat Rich Blue Montana Sapphire (Heated)

    1.60-Carat Rich Blue Montana Sapphire (Heated)

    $3,200.00

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  • 0.62-Carat Light Sky Blue Montana Sapphire (Heated)

    0.62-Carat Light Sky Blue Montana Sapphire (Heated)

    $625.00

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  • 0.79-Carat Rich Sky Blue Montana Sapphire (Heated)

    0.79-Carat Rich Sky Blue Montana Sapphire (Heated)

    $700.00

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  • 0.75-Carat Medium Blue Montana Sapphire (Heated)

    0.75-Carat Medium Blue Montana Sapphire (Heated)

    $750.00

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  • A 1.62-carat rich blue-green-yellow particolored Montana Sapphire (heated) with a square cushion cut rests on a textured gray surface. The "EARTH'S TREASURY" logo is visible at the bottom.

    1.62-Carat Rich Blue-Yellow Particolored Montana Sapphire

    $3,650.00

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  • 3.91-Carat Deep Blue Tanzanite

    3.91-Carat Deep Blue Tanzanite

    $2,300.00

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  • 3.92-Carat Cobalt Blue Tanzanite

    3.92-Carat Cobalt Blue Tanzanite

    $2,300.00

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  • 6.51-Carat Deep Blue Tanzanite

    6.51-Carat Deep Blue Tanzanite

    $4,200.00

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  • 6.88-Carat Rich Violet-Blue Tanzanite

    6.88-Carat Rich Violet-Blue Tanzanite

    $4,300.00

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  • 6.87-Carat Deep Blue Tanzanite

    6.87-Carat Deep Blue Tanzanite

    $4,600.00

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  • 0.83-Carat Medium Blue Montana Sapphire (Heated)

    0.83-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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  • 1.41-Carat Medium Blue Montana Sapphire (Heated)

    1.41-Carat Medium Blue Montana Sapphire (Heated)

    $2,500.00

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  • A 1.04-carat medium blue-sky blue particolored Montana sapphire (H) rests on a textured gray surface featuring the "Earth's Treasury" logo and text at the bottom.

    1.04-Carat Medium Blue-Sky Blue Particolored Montana Sapphire (Heated)

    $1,950.00

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  • 2.48-Carat Medium Blue Montana Sapphire

    2.48-Carat Medium Blue Montana Sapphire

    $8,700.00

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  • 0.95-Carat Pale Blue Montana Sapphire

    0.95-Carat Pale Blue Montana Sapphire

    $1,300.00

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Natural Gemstone Jewelry & Loose Gemstones at Earth’s Treasury

At Earth’s Treasury, we make finding your color easy with one of the widest selections of ethically sourced gemstones available, from Montana sapphires and garnets to tourmaline and emeralds. Our team of talented designers and jewelers is dedicated to creating custom gemstone jewelry that’s as unique as your story. Whether you’re drawn to classic pieces or dream up a one-of-a-kind engagement ring, we’ll guide you every step of the way to ensure your jewelry feels personal, original, and entirely you.