Rectangle Cushion

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  • A 1.40-carat rectangular, faceted orange grossular garnet is displayed on a light, textured surface with "Earth's Treasury" written below.

    1.40-Carat Orange Grossular Garnet

    $550.00

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  • A 1.12-carat tsavorite garnet with a rectangular, faceted green appearance displayed on a light gray textured surface, with the text "EARTH'S TREASURY" below.

    1.12-Carat Tsavorite Garnet

    $1,350.00

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  • A 2.22-carat heated Montana sapphire with a rectangular, faceted blue-green appearance is displayed on a metallic patterned surface, featuring the text "EARTH'S TREASURY" at the bottom.

    2.22-Carat Rich Spruce Green Montana Sapphire (Heated)

    $5,200.00

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  • A 1.34-carat Ceylon sapphire with a cushion cut is shown on a textured gray surface, featuring the "Earth's Treasury" logo at the bottom.

    1.34-Carat Violet Purple Ceylon Sapphire

    $3,100.00

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  • A faceted, cushion-cut 3.33-carat blue Spinel rests on a light, textured surface with the "Earth's Treasury" logo below.

    3.33-Carat Violet Purple Spinel

    $3,600.00

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  • A 1.18-carat heated Ceylon sapphire, cushion-cut and deep blue, is displayed on a textured gray surface with the text "EARTH'S TREASURY" below.

    1.18-Carat Deep Blue Ceylon Sapphire (Heated)

    $2,300.00

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  • A 1.06-carat, cushion-cut pink sapphire rests on a metallic patterned surface, with "EARTH'S TREASURY" shown below.

    1.06-Carat Light Pink Madagascar Sapphire

    $2,100.00

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  • A 2.51-carat faceted purple sapphire rests on a textured metallic surface, with "EARTH'S TREASURY" displayed at the bottom.

    2.51-Carat Lilac Purple Madagascar Sapphire

    $6,000.00

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  • A 6.30-carat unheated tanzanite (zoisite) with stunning internal reflections rests on a textured grey surface, with "EARTH'S TREASURY" displayed below.

    6.30-Carat Blue-Green Particolored Unheated Tanzanite (Zoisite)

    $3,800.00

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  • A 1.24-carat cushion-cut pink Spinel is displayed on a patterned gray surface, with the text "EARTH'S TREASURY" at the bottom of the image.

    1.24-Carat Light Pink Spinel

    $2,000.00

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  • A 1.77-carat cushion-cut red spinel is displayed on a textured light gray surface, with "Earth's Treasury" at the bottom.

    1.77-Carat Orangey Pink Spinel

    $3,400.00

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  • A 2.36-carat cushion-cut dark blue spinel is displayed on a textured metallic surface with the text "Earth's Treasury" below.

    2.36-Carat Deep Blue Spinel

    $3,800.00

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  • A 2.48-carat cushion-cut blue Spinel rests on a textured gray surface, with the "EARTH'S TREASURY" logo at the bottom.

    2.47-Carat Deep Peacock Blue Spinel

    $4,400.00

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  • A 2.74-carat, cushion-cut deep blue spinel is displayed on a light, textured surface with the text “EARTH'S TREASURY” at the bottom.

    2.74-Carat Deep Blue Spinel

    $4,900.00

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  • A 2.80-carat cushion-cut dark blue spinel is shown on a light gray textured surface, with the "Earth's Treasury" logo and text at the bottom.

    2.80-Carat Deep Blue Spinel

    $4,900.00

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  • A 1.30-carat cushion-cut spinel in dark gray rests on a textured light gray surface, with "EARTH'S TREASURY" inscribed at the bottom.

    1.30-Carat Gray Spinel

    $1,100.00

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  • A 1.31-carat cushion-cut Spinel is displayed on a textured, silver-toned surface with "Earth's Treasury" written at the bottom.

    1.31-Carat Red Spinel

    $2,100.00

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  • A cushion-cut 1.32-carat Spinel gemstone displayed on a textured light gray surface with the Earth’s Treasury logo at the bottom.

    1.32-Carat Red Spinel

    $2,600.00

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  • A cushion-cut 1.36-carat Spinel gemstone is displayed on a textured light gray surface, with the text "EARTH'S TREASURY" underneath.

    1.36-Carat Red Spinel

    $2,800.00

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  • A 1.44-carat cushion-cut pink spinel is displayed on a metallic, textured surface with "EARTH'S TREASURY" at the bottom.

    1.44-Carat Pink Spinel

    $1,850.00

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  • A 1.49-carat cushion-cut purple Spinel is displayed on a textured, light gray surface with the text "EARTH'S TREASURY" below.

    1.49-Carat Purple Spinel

    $1,400.00

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  • A 1.54-carat cushion-cut red Spinel is displayed on a textured light gray surface with "EARTH'S TREASURY" at the bottom.

    1.54-Carat Red Spinel

    $3,000.00

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    Add to cartDone
  • A 1.61-carat cushion-cut red Spinel is displayed on a light gray textured surface with "EARTH'S TREASURY" below.

    1.61-Carat Raspberry Red Spinel

    $3,400.00

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  • A 1.62-carat cushion-cut, deep red Spinel is displayed on a light, textured background with the "EARTH'S TREASURY" logo beneath.

    1.62-Carat Raspberry Red Spinel

    $3,400.00

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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.