Square Cushion

Showing 49–72 of 623 resultsSorted by latest

  • The "Ceres" ring in 14K white gold features a 2.52-carat Madagascar sapphire accented by two triangular clear stones, displayed on a light green plant stem.The "Ceres" ring in 14K white gold with a 2.52-carat Madagascar sapphire is displayed upright on a textured stone surface, featuring the Earth's Treasury logo at the bottom.

    The “Ceres” Three-Stone Ring

    $2,850.00

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  • The "Tigrina" ring in platinum features a 1.25-carat round Montana sapphire center, accented by three clustered white stones on each side, shown against a green leaf background.The "Tigrina" ring in platinum with a 1.25-carat Montana sapphire is displayed upright, highlighting its setting and band, against a blue stone background with the "Earth's Treasury" logo below.

    The “Tigrina” Seven-Stone Ring

    $2,400.00

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  • The Pave "Dryope" ring in platinum features a 1.15-carat round Montana sapphire center and two clear side stones, shown on a green stem with the "Earth's Treasury" logo below.The Pave "Dryope" ring in platinum features a 1.15-carat Montana sapphire centerpiece and side stones, displayed upright on a rough blue mineral with the Earth's Treasury logo below.

    The Pave “Dryope” Three-Stone Ring

    $2,500.00

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  • The "Athena" ring in 14K yellow gold features a 1.20-carat rectangular Montana sapphire and baguette side stones, shown on a green leaf with "EARTH'S TREASURY" at the bottom.The "Athena" ring in 14K yellow gold with a 1.20-carat Montana sapphire stands upright against a blue mineral and geometric background, with the "EARTH'S TREASURY" logo at the bottom.

    The “Athena” Five-Stone Ring

    $2,900.00

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  • The "Maya" ring in 18k yellow gold with a 1.48-carat Australian sapphire stands upright against a green leaf background. The text "EARTH'S TREASURY" is displayed at the bottom.The "Maya" ring in 18k yellow gold features ornate engravings and a 1.48-carat Australian sapphire, shown upright on a textured surface with a blue stone in the background.

    The “Maya” Solitaire

    $2,250.00

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  • The "Lola" ring in 14k white gold, featuring a 0.71-carat Montana sapphire, is displayed vertically against a green plant stem with the "Earth's Treasury" logo at the bottom.The "Lola" ring, crafted in 14k white gold and set with a 0.71-carat Montana sapphire, is showcased on a geometric-patterned surface with the text "EARTH'S TREASURY" below.

    The “Lola” Solitaire

    $2,450.00

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  • The "Brynn" ring in 14K yellow gold, featuring a 1.96-carat round light green sapphire, is displayed upright on a green leaf with the text "EARTH'S TREASURY" at the bottom.The "Brynn" ring in 14K yellow gold with a 1.96-carat sapphire stands upright on a textured metallic surface, with the "EARTH'S TREASURY" logo displayed at the bottom.

    The “Brynn” Solitaire

    $1,900.00

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  • The "Davina" ring, crafted in 14k yellow gold with a 1.43-carat Montana sapphire, is displayed upright against a green bamboo stem. The "Earth's Treasury" logo appears below.The "Davina" ring in 14k yellow gold, featuring a 1.43-carat Montana sapphire, is displayed upright on a textured gray surface with the Earth's Treasury logo below.

    The “Davina” Solitaire

    $2,350.00

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  • The "Elena" ring in 14k white gold with a 1.93-carat Montana sapphire is shown upright against a green leaf background. The text “EARTH’S TREASURY” appears at the bottom.The "Elena" ring in 14k white gold with a 1.93-carat Montana sapphire is shown upright on a textured gray surface, featuring Earth's Treasury branding at the bottom.

    The “Elena” Solitaire

    $1,700.00

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  • The "Xena" ring features a round blue-green 2.27-carat Australian sapphire with small diamonds in a platinum band, displayed on a green leaf, with the Earth's Treasury logo at the bottom.The "Xena" ring in platinum with a 2.27-carat Australian sapphire stands upright on a rough blue stone, photographed on a textured grey surface with the "Earth's Treasury" logo at the bottom.

    The “Xena” Ring

    $2,200.00

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  • The "Aster" ring in platinum, featuring a 0.80-carat Montana sapphire and accent stones, rests on a green leaf with the Earth's Treasury logo at the bottom.The "Aster" ring in platinum, featuring a 0.80-carat Montana sapphire and accent stones, rests on rough blue crystal with textured geometric patterns in the background.

    The “Aster” Ring

    $1,950.00

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  • The "Wren" ring in 14k yellow gold features a 0.91-carat Montana sapphire surrounded by a halo of diamonds, displayed on a green leaf.The "Wren" ring in 14k yellow gold features a 0.91-carat Montana sapphire in a pronged setting with a small white diamond, displayed upright on rough blue stone. The "Earth's Treasury" logo is shown at the bottom.

    The “Wren” Ring

    $1,950.00

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  • The "Chrysanthemum" ring in 14k yellow gold, featuring a 1.46-carat Australian sapphire and marquise-cut white accent stones, is displayed on a green plant leaf with the "Earth's Treasury" logo below.The "Chrysanthemum" ring in 14k yellow gold, featuring a 1.46-carat Australian sapphire, is displayed upright before a textured blue stone on a patterned metallic surface. Logo reads "Earth's Treasury.

    The “Chrysanthemum” Cluster Ring

    $2,600.00

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  • The "Yvette" ring in 14k yellow gold features a 1.64-carat square-cut Montana sapphire accented by small diamonds, shown on a green plant stem. "EARTH'S TREASURY" logo and text appear at the bottom.The "Yvette" ring in 14k yellow gold with a 1.64-carat Montana sapphire is shown upright on a rough blue stone, with the Earth's Treasury logo below.

    The “Yvette” Halo Ring

    $3,200.00

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  • The "Marietta" ring in 18k yellow gold features a 1.13-carat Montana sapphire, accented by small white diamonds, displayed on a green leaf with the "EARTH'S TREASURY" logo and text at the bottom.The "Marietta" ring in 18k yellow gold with a 1.13-carat Montana sapphire stands upright on a rough blue stone surface, with Earth's Treasury logo at the bottom.

    The “Marietta” Halo Ring

    $2,450.00

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  • The "Veronica" ring in 14k white gold, featuring a 1.53-carat Montana sapphire surrounded by small white stones, is displayed on a green leaf background.The "Veronica" ring in 14k white gold with a 1.53-carat Montana sapphire stands upright against a rough blue mineral on a textured gray background. The Earth’s Treasury logo appears at the bottom.

    The “Veronica” Halo Ring

    $2,200.00

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  • The "Marisol" ring in 14k yellow gold, featuring a 2.90-carat Australian sapphire and accent diamonds, is displayed on a green stem with the "Earth's Treasury" logo below.The "Marisol" ring in 14k yellow gold with a 2.90-carat Australian sapphire stands upright on a rough stone surface, featuring the Earth's Treasury logo at the bottom.

    The “Marisol” Halo Ring

    $2,100.00

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  • The “Eleanor” ring in 18K yellow gold, featuring a 1.47-carat Montana sapphire and diamond halo, is displayed on rough blue mineral with the Earth’s Treasury logo below.The “Eleanor” ring in 18K yellow gold, featuring a 1.47-carat Montana sapphire and diamond halo, is displayed on rough blue mineral with the Earth’s Treasury logo below.

    The “Eleanor” Halo Ring

    $2,200.00

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  • The "Mirabelle" ring in 18K yellow gold, featuring a 1.92-carat Ceylon sapphire surrounded by diamonds, rests on a green leaf. The text "EARTH'S TREASURY" appears below.The "Mirabelle" ring in 18K yellow gold with a 1.92-carat Ceylon sapphire is displayed upright on a textured dark stone, with the Earth's Treasury logo at the bottom.

    The “Mirabelle” Ring

    $2,600.00

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  • The "Astrid" ring in platinum features a 0.98-carat Montana sapphire and small clear accent stones, displayed on a green leaf with "Earth's Treasury" branding below.The "Astrid" ring in platinum features a 0.98-carat Montana sapphire set upright with prongs, photographed on a textured gray surface beside a blue mineral and the "Earth's Treasury" logo at the bottom.

    The “Astrid” Diamond-Accented Solitaire

    $2,500.00

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  • The "Senna" ring features a 2.20-carat round pink Umba sapphire set in 14k rose gold with a split diamond band, shown on a green striped leaf.The "Senna" ring in 14k rose gold, featuring a 2.20-carat rectangular Umba sapphire and small diamonds, is displayed upright on a rough gray stone with the Earth's Treasury logo below.

    The “Senna” Hidden Halo Ring

    $2,600.00

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  • The Cathedral "Begonia" ring in 14k yellow gold with a 2.27-carat Australian sapphire is displayed upright on a green leaf. The text "Earth's Treasury" appears at the bottom.The Cathedral "Begonia" ring in 14k yellow gold, featuring a 2.27-carat Australian sapphire, is displayed upright before a rough stone. The "EARTH'S TREASURY" logo appears at the bottom.

    The Cathedral “Begonia” Hidden Accent Solitaire

    $1,900.00

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  • The "Begonia" ring in 14K yellow gold, featuring a 1.56-carat Australian sapphire, is displayed upright on a green stem with the Earth's Treasury logo at the bottom center.The "Begonia" ring features a 1.56-carat Australian sapphire set in 14K yellow gold.

    The “Begonia” Hidden Accent Solitaire

    $1,900.00

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  • A 2.28-carat Ceylon sapphire is set in the "Francoise" ring with white diamonds in 18k yellow gold, displayed on a green background. The "Earth's Treasury" logo appears at the bottom.The "Francoise" ring in 18k yellow gold with a 2.28-carat Ceylon sapphire stands upright on a blue-green raw gemstone, with "Earth's Treasury" branding below.

    The “Francoise” Halo Ring

    $3,200.00

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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.