Slightly Included

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  • A 1.61-Carat Medium Blue Montana Sapphire (Heated), cushion cut and faceted, rests on a textured gray surface with the "EARTH'S TREASURY" logo below.

    1.61-Carat Medium Blue Montana Sapphire (Heated)

    $2,400.00

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  • A 1.63-carat heated aqua blue Montana Sapphire with a cushion cut sits on a textured gray surface, showing light and dark blue facets. The text "Earth's Treasury" appears at the bottom.

    1.63-Carat Aqua Blue Montana Sapphire (Heated)

    $2,400.00

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  • A yellow Montana sapphire in an Old European-style cut (OEC)

    0.81-Carat Yellow Montana Sapphire (Heated)

    $600.00

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  • A blue Montana sapphire in a classic diamond round brilliant design

    0.85-Carat Teal Blue Montana Sapphire (Heated)

    $850.00

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  • A blue Montana sapphire in a classic diamond round brilliant design

    1.16-Carat Peacock Blue Montana Sapphire (Heated)

    $1,500.00

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  • A 1.61-carat Peacock Blue Montana Sapphire (Heated), round brilliant-cut, sits on a textured gray surface, with the "EARTH'S TREASURY" logo and text at the bottom.

    1.61-Carat Peacock Blue Montana Sapphire (Heated)

    $3,200.00

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  • A blue-green Montana sapphire in a classic diamond round brilliant design

    0.99-Carat Peacock Blue Montana Sapphire (Heated)

    $1,400.00

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  • 0.87-Carat Teal Blue Montana Sapphire (Heated)

    0.87-Carat Teal Blue Montana Sapphire (Heated)

    $750.00

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  • 1.27-Carat Medium Blue Montana Sapphire (Heated)

    1.27-Carat Medium Blue Montana Sapphire (Heated)

    $1,900.00

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  • A blue Montana sapphire in our "Helena" oval design

    0.70-Carat Teal Blue Montana Sapphire (Heated)

    $700.00

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  • A blue Montana sapphire in our "Helena" oval design

    0.72-Carat Medium Blue Montana Sapphire (Heated)

    $750.00

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  • A blue Montana sapphire in our "Helena" oval design

    0.94-Carat Medium Blue Montana Sapphire (Heated)

    $1,100.00

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  • A 1.59-carat Yellow-Orange Particolored Montana Sapphire (Heated) is shown on a textured gray surface with the “Earth’s Treasury” logo and text visible below.

    1.59-Carat Yellow-Orange Particolored Montana Sapphire (Heated)

    $2,400.00

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  • 0.70-Carat Purple-Pink Montana Sapphire

    0.70-Carat Purple-Pink Montana Sapphire

    $700.00

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  • A blue Montana sapphire in our "Helena" oval design

    1.13-Carat Aqua Blue Montana Sapphire

    $1,100.00

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  • A 1.67-carat Light Yellow Montana Sapphire, round and faceted, is shown on a textured gray surface with the "Earth's Treasury" logo below.

    1.67-Carat Light Yellow Montana Sapphire

    $2,500.00

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  • 1.05-Carat Light Gray-Blue Montana Sapphire

    1.05-Carat Light Gray-Blue Montana Sapphire

    $800.00

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  • A 1.74-carat deep blue-green heated Montana sapphire is shown with intricate square faceting on a textured light surface, featuring the text "EARTH'S TREASURY" at the bottom.

    1.74-Carat Deep Blue-Green Montana Sapphire (Heated)

    $2,600.00

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  • 0.83-Carat Aqua Blue Montana Sapphire

    0.83-Carat Aqua Blue Montana Sapphire

    $700.00

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  • 3.73-Carat Rich Pink California Tourmaline

    3.73-Carat Rich Pink California Tourmaline

    $1,300.00

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  • 3.66-Carat Bright Pink California Tourmaline

    3.66-Carat Bright Pink California Tourmaline

    $1,100.00

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  • Rectangular, emerald-cut yellow gemstone with facets reflecting light, placed on a textured gray surface. Text "ET1447" visible on the bottom.

    1.16-Carat Greenish Yellow California Tourmaline

    $235.00

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  • A square-cut green gemstone placed on a textured gray surface, accompanied by the text "EARTH'S TREASURY" underneath. The product is identified as ET1392.

    2.43-Carat Light Lime Green California Tourmaline

    $485.00

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  • The ET1429, a cushion-cut yellow-green gemstone featuring a radiant star-like pattern, is displayed on a textured gray surface.

    1.46-Carat Greenish Yellow California Tourmaline

    $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.