1.51

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  • A 1.51-carat Ceylon sapphire in an oval cut with a light lavender hue is shown on a textured surface, with the Earth's Treasury logo displayed below.

    1.51-Carat Pale Violet-Blue Ceylon Sapphire

    $3,500.00

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  • A 1.51-carat heated Montana sapphire is displayed on a textured gray surface, with "EARTH'S TREASURY" and a geometric logo shown below the gemstone.

    1.51-Carat Teal Montana Sapphire (Heated)

    $2,700.00

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  • A 1.51-carat heated Montana sapphire, faceted in an oval shape, rests on a textured light gray surface with the “EARTH'S TREASURY” logo below.

    1.51-Carat Aqua-Blue Particolored Montana Sapphire (Heated)

    $2,800.00

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  • A 1.51-carat Ceylon sapphire, cushion-cut and purple, is shown on a textured silver-gray surface with the text "EARTH'S TREASURY" below.

    1.51-Carat Violet to Purple Color Change Ceylon Sapphire

    $3,000.00

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  • A 1.51-carat oval-cut green emerald gemstone rests on a textured gray surface, with the Earth's Treasury logo displayed at the bottom.

    1.51-Carat Bright Green Emerald (Oiled)

    $4,550.00

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  • A 1.51-carat round brilliant-cut Montana sapphire with a pale pinkish hue is displayed on a textured, light surface. "EARTH'S TREASURY" is written at the bottom.

    1.51-Carat Near Colorless Montana Sapphire

    $2,950.00

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  • A vibrant 1.51-carat Tanga Garnet with a square cushion cut rests on a textured gray surface, with the "Earth's Treasury" logo visible at the bottom.

    1.51-Carat Orangey Pink Garnet

    $800.00

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  • A 1.51-carat Tanga Garnet, round and faceted in pink, rests on a gray textured surface with the Earth’s Treasury logo beneath it.

    1.51-Carat Fuchsia Pink Garnet

    $750.00

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  • A 1.51-carat heated Montana sapphire with a cushion cut is displayed on a textured gray surface. The Earth's Treasury logo appears at the bottom.

    1.51-Carat Aqua Blue Montana Sapphire (Heated)

    $1,800.00

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  • A 1.51-carat heated Montana sapphire rests on a textured metallic surface with "EARTH'S TREASURY" displayed at the bottom.

    1.51-Carat Teal Montana Sapphire (Heated)

    $1,800.00

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    Add to cartDone
  • A faceted 1.51-carat Ceylon sapphire (heated) with a starburst pattern rests on textured silver, the "EARTH'S TREASURY" logo beneath it.

    1.51-Carat Blue-Colorless Particolored Ceylon Sapphire (Heated)

    $3,000.00

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    Add to cartDone
  • A 1.51-carat heated Montana sapphire with a faceted, dark bluish-green hue rests on a textured gray surface, featuring the "EARTH'S TREASURY" logo and text at the bottom.

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

    $1,950.00

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    Add to cartDone
  • 1.51-Carat Gold-Green Particolored Australian Sapphire (Heated)

    1.51-Carat Gold-Green Particolored Australian Sapphire (Heated)

    $2,650.00

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  • 1.51-Carat Rich Blue Sapphire

    1.51-Carat Rich Blue Sapphire

    $3,600.00

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  • 1.51-Carat Medium Blue Montana Sapphire (Heated)

    1.51-Carat Medium Blue Montana Sapphire (Heated)

    $2,350.00

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    Add to cartDone
  • A teal Montana sapphire in our "Stella" square cushion design

    1.51-Carat Rich Teal Montana Sapphire (Heated)

    $2,850.00

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    Add to cartDone
  • A particolored Australian Sapphire in our "Stella" square cushion design

    1.51-Carat Teal-Green Particolored Australian Sapphire (Heated)

    $2,550.00

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    Add to cartDone
  • 1.51-Carat Midnight Blue Australian Sapphire (Heated)

    1.51-Carat Midnight Blue Australian Sapphire (Heated)

    $1,000.00

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    Add to cartDone
  • A 1.51-carat teal blue Montana sapphire (heated), cushion-cut with intricate facets, is displayed on a textured gray surface with "Earth's Treasury" branding below.

    1.51-Carat Teal Blue Montana Sapphire (Heated)

    $2,950.00

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    Add to cartDone

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.