Radiant Rectangle

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  • A rectangular, deep blue and teal 0.91-carat heated Montana sapphire rests on a textured gray surface with "EARTH'S TREASURY" below.

    0.91-Carat Deep Peacock-Yellow Particolored Montana Sapphire (Heated)

    $1,150.00

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  • The "Aralia" ring in platinum, featuring a 1.03-carat Montana sapphire and leaf details, is shown on a green plant stem with the Earth’s Treasury logo below.The "Aralia" ring in platinum with a 1.03-carat Montana sapphire stands upright, displaying its band and setting, with a rough blue stone behind it on a patterned surface. The Earth's Treasury logo appears below.

    The “Aralia” Ring

    $2,150.00

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  • The Deluxe "Ivey" ring in 14k yellow gold with a 1.58-carat Australian sapphire, featuring an intricate leaf and vine design, is displayed on a green plant stem. Below it appears the text "EARTH'S TREASURY.The Deluxe "Ivey" ring in 14k yellow gold with a 1.58-carat Australian sapphire stands upright against a blue textured surface, displayed before a geometric patterned background with the Earth's Treasury logo below.

    The Deluxe “Ivey” Ring

    $2,100.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • A 1.65-carat heated Montana Sapphire, featuring mixed light and dark blue facets, rests on a textured gray surface with the "Earth's Treasury" logo below.

    1.65-Carat Teal Blue Montana Sapphire (Heated)

    $2,200.00

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  • A rectangular, faceted light blue 0.93-carat Montana sapphire (heated) is displayed on a textured gray surface with the text "EARTH'S TREASURY" at the bottom.

    0.93-Carat Pale Aqua Montana Sapphire (Heated)

    $700.00

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  • A 0.97-carat heated Montana sapphire with intricate faceting is displayed on a textured light gray surface. "EARTH'S TREASURY" appears at the bottom.

    0.97-Carat Teal Blue Montana Sapphire (Heated)

    $750.00

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  • A 0.99-carat heated Montana Sapphire, square-cut and blue, sits on a textured, light-colored surface with the Earth’s Treasury logo beneath it.

    0.99-Carat Teal Blue Montana Sapphire (Heated)

    $1,050.00

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  • A 1.02-carat heated Montana sapphire, rectangular and blue-green with intricate facets, is displayed on a textured grey surface, with "Earth's Treasury" branding below.

    1.02-Carat Teal-Yellow Particolored Montana Sapphire (Heated)

    $1,550.00

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  • A 1.05-carat heated Montana sapphire, expertly square-cut with intricate facets, is shown on a textured light gray surface. "EARTH'S TREASURY" is displayed at the bottom.

    1.05-Carat Teal Blue Montana Sapphire (Heated)

    $1,600.00

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  • A rectangular, faceted 1.13-carat heated Montana sapphire is showcased on a textured light gray surface with "EARTH'S TREASURY" written beneath it.

    1.13-Carat Aqua Blue Montana Sapphire (Heated)

    $1,200.00

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  • A 1.16-carat rectangular step-cut heated Montana sapphire is displayed on a textured gray surface with "EARTH'S TREASURY" text at the bottom.

    1.16-Carat Teal Montana Sapphire (Heated)

    $2,050.00

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  • A 1.23-carat heated Montana sapphire with intricate faceting is displayed on a textured gray surface, featuring the Earth's Treasury logo at the bottom.

    1.23-Carat Teal Montana Sapphire (Heated)

    $1,850.00

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  • A rectangular, faceted teal-blue 1.35-carat Montana Sapphire (Heated) is displayed on a textured gray surface. The text "EARTH'S TREASURY" appears at the bottom of the image.

    1.35-Carat Teal Montana Sapphire (Heated)

    $1,650.00

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  • A rectangular, faceted 0.83-carat Montana Sapphire with a light gray hue is displayed on a textured, light-colored surface. The text "EARTH'S TREASURY" appears at the bottom.

    0.83-Carat Gray Montana Sapphire

    $800.00

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  • A 1.63-carat Ceylon sapphire with an emerald cut is displayed on a textured gray surface, with "Earth's Treasury" shown below.

    1.63-Carat Rich Violet-Blue to Purple Color-Change Ceylon Sapphire

    $3,500.00

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  • A 2.54-carat Ceylon sapphire with faceted edges sits on a textured gray surface; "EARTH'S TREASURY" appears at the bottom.

    2.54-Carat Opalescent Sky Blue Ceylon Sapphire

    $8,700.00

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  • A 1.41-carat, rectangular cornflower blue Ceylon Sapphire rests on a light textured surface with "EARTH'S TREASURY" below.

    1.41-Carat Cornflower Blue Ceylon Sapphire

    $3,600.00

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  • A 2.07-carat rectangular step-cut Ceylon sapphire is shown on a textured gray surface, with "EARTH'S TREASURY" displayed at the bottom.

    2.07-Carat Cornflower Blue Ceylon Sapphire

    $7,150.00

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  • A 1.18-carat Ceylon Sapphire (Heated) is displayed on a textured gray surface with the words "Earth's Treasury" beneath it.

    1.18-Carat Sky Blue Ceylon Sapphire (Heated)

    $1,850.00

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  • A 1.29-carat Ceylon sapphire (heated), radiant-cut and rectangular, sits on a textured gray surface with "EARTH'S TREASURY" visible below.

    1.29-Carat Cornflower Blue Ceylon Sapphire (Heated)

    $1,950.00

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  • A 1.44-carat heated Ceylon sapphire with a rectangular, faceted cut is shown on a textured light gray surface, with the "EARTH'S TREASURY" logo and text beneath.

    1.44-Carat Rich Blue-Sky Blue Particolored Ceylon Sapphire (Heated)

    $3,200.00

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  • A rectangular, faceted light purple 2.07-carat Spinel gemstone is displayed on a textured gray surface with the "Earth's Treasury" logo at the bottom.

    2.07-Carat Light Lavender Spinel

    $1,650.00

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  • A rectangular, blue 0.90-carat heated Montana sapphire with intricate faceting rests on a textured surface. "EARTH'S TREASURY" appears at the bottom.

    0.90-Carat Medium Blue Montana Sapphire (Heated)

    $950.00

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  • A radiant-cut, rectangular 1.09-carat heated Montana sapphire with a blue hue is displayed on a textured surface, with "EARTH'S TREASURY" shown beneath it.

    1.09-Carat Aqua Blue Montana Sapphire (Heated)

    $1,900.00

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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.