Square Cushion

Showing 73–96 of 623 resultsSorted by latest

  • The "Angelica" ring in 14k white and yellow gold features a 2.30-carat Montana sapphire center surrounded by ten clear diamonds, displayed on a green-striped surface.The "Angelica" ring in 14k white and yellow gold, featuring a 2.30-carat Montana sapphire, is shown upright on a rough blue stone with the Earth's Treasury logo below.

    The “Angelica” Halo Ring

    $3,600.00

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  • The "Lenore" ring in 14k yellow gold features a 2.51-carat Australian sapphire and two pear-shaped side stones, shown on a green leaf background.The "Lenore" ring in 14k yellow gold features a twisted, vine-like band and a 2.51-carat Australian sapphire, shown upright on textured stone. "EARTH'S TREASURY" appears at the bottom.

    The “Lenore” Three-Stone Ring

    $2,900.00

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  • The Comet ring in platinum, featuring a 3.53-carat Montana sapphire and diamonds on the band, is displayed on a green striped leaf. "Earth's Treasury" appears at the bottom.The Comet ring in platinum features a 3.53-carat Montana sapphire as its central stone, accented by smaller side stones, and is displayed upright on a textured stone background.

    The Petite Pave “Comet” Hidden Halo Ring

    $2,900.00

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  • The Linnea ring in 14K yellow gold features a 1.15-carat round Ceylon sapphire centerpiece, accented by pink and white stones, displayed on a green leaf with the Earth's Treasury logo below.The Linnea ring in 14K yellow gold, featuring a 1.15-carat Ceylon sapphire and clear side stones, stands upright on a textured metallic surface with the Earth's Treasury logo displayed below.

    The “Linnea” Cluster Ring

    $2,900.00

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  • The "Kirryn" ring in 14K rose gold, set with a 1.17-carat Montana sapphire and leaf-inspired accents, stands upright on a green and gray surface with the Earth’s Treasury logo below.The "Kirryn" ring in 14K rose gold, featuring a 1.17-carat Montana sapphire and leaf motifs, is displayed upright on a rough blue stone background. Earth’s Treasury logo appears at the bottom.

    The “Kirryn” Solitaire

    $1,900.00

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  • The "Saorise" ring in 14K white gold features a 1.86-carat rectangular Mahenge garnet atop an intricate band, displayed on a green leaf. The Earth's Treasury logo enhances its signature elegance inspired by Saoirse.A 14K white gold "Saorise" solitaire ring with a 1.86-carat Mahenge garnet is displayed upright on a blue rock, with the Earth’s Treasury logo below.

    The “Saoirse” Solitaire

    $1,900.00

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  • A platinum Cathedral "Alyssum" ring featuring a 1.83-carat Ceylon sapphire is displayed upright against a green leaf background. The "Earth's Treasury" logo appears at the bottom.A platinum Cathedral "Alyssum" ring with a 1.83-carat Ceylon sapphire stands upright on a textured gray surface, exuding elegance. The "Earth's Treasury" logo appears at the bottom.

    The Cathedral “Alyssum” Solitaire

    $1,700.00

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  • The Cathedral "Fleur" ring in platinum with a 1.72-carat Montana sapphire is displayed upright against two stacked green leaves, with the "Earth's Treasury" logo and text at the bottom.The Cathedral "Fleur" ring in platinum features a 1.72-carat Montana sapphire in an intricate prong setting, displayed upright on a textured blue-gray stone background. Logo text at the bottom reads "Earth's Treasury.

    The Cathedral “Fleur” Solitaire

    $1,700.00

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  • A gold Cathedral Solitaire ring, "Fisher, Matthew," with a pear-shaped blue gemstone is shown on a green background, with "Earth's Treasury" at the bottom.The Cathedral "Anemone" ring in 14K yellow gold with a 2.37-carat Ceylon sapphire is displayed upright on a rough blue stone, with the "Earth's Treasury" logo and text below.

    The Cathedral “Anemone” Solitaire

    $1,700.00

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  • The "Sadie" ring in 14k yellow gold showcases a 1.22-carat Montana sapphire center, flanked by two pear-shaped clear stones, beautifully displayed on a green leaf.The "Sadie" ring in 14k yellow gold with a 1.22-carat Montana sapphire stands upright against a textured stone backdrop on a gray patterned surface. "EARTH'S TREASURY" is displayed at the bottom.

    The “Sadie” Three-Stone Ring

    $2,250.00

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  • A 1.95-carat cushion-cut Umbalite Garnet with intricate facets rests on a textured gray surface, with "Earth's Treasury" displayed below.

    1.95-Carat Rich Magenta Pink Rhodolite Garnet

    $1,000.00

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  • A 1.99-carat Umbalite Garnet, cushion-cut with vivid pink hues and geometric facets, rests on a textured metallic surface. "EARTH'S TREASURY" appears at the bottom of the image.

    1.99-Carat Rich Magenta Pink Rhodolite Garnet

    $1,000.00

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  • A vibrant, faceted 2.53-carat Umbalite Garnet gemstone is displayed on a textured surface with the text "EARTH'S TREASURY" at the bottom.

    2.53-Carat Rich Magenta Pink Rhodolite Garnet

    $1,250.00

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  • A 2.58-carat square-cut Umbalite Garnet in deep pink with faceted edges is displayed on a textured gray surface, featuring the text "EARTH'S TREASURY" at the bottom.

    2.58-Carat Rich Magenta Pink Rhodolite Garnet

    $1,300.00

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  • A 0.59-Carat Grossular Garnet with a cushion cut and pale mint green hue is shown on a textured gray surface, featuring the "EARTH'S TREASURY" logo and text at the bottom.

    0.59-Carat Pale Mint Green Grossular Garnet

    $300.00

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  • A 0.55-carat cushion-cut Tsavorite garnet rests on a textured gray surface, with “EARTH'S TREASURY” displayed at the bottom.

    0.55-Carat Tsavorite Garnet

    $450.00

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  • A 1.26-carat cushion-cut reddish-pink spinel is displayed on a textured gray surface, with "Earth's Treasury" visible at the bottom.

    1.26-Carat Orangey Pink Spinel

    $1,950.00

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  • A 1.33-carat cushion-cut red spinel rests on a textured gray surface, with the "Earth's Treasury" logo and text at the bottom.

    1.33-Carat Red Spinel

    $2,600.00

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  • A 1.60-carat, cushion-cut violet-gray spinel is shown on a light textured surface with "Earth's Treasury" displayed underneath.

    1.60-Carat Purple Spinel

    $1,500.00

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  • A 1.70-carat cushion-cut deep blue spinel is displayed on a textured gray surface, with the text "EARTH'S TREASURY" below.

    1.70-Carat Deep Blue Spinel

    $2,400.00

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  • A 1.86-carat, cushion-cut light purple Spinel is displayed on a textured light gray surface with the "Earth’s Treasury" logo beneath.

    1.86-Carat Lavender Spinel

    $1,800.00

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  • A 2.65-carat cushion-cut purple spinel is displayed on a textured gray surface, with the text "EARTH'S TREASURY" at the bottom.

    2.65-Carat Deep Purple Spinel

    $3,700.00

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  • A cushion-cut 1.43-carat Spinel gemstone is displayed on a textured light gray surface with the text "EARTH'S TREASURY" at the bottom.

    1.43-Carat Red Spinel

    $2,750.00

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  • A 1.46-carat, cushion-cut pink spinel is displayed on a light, patterned surface with the text "EARTH'S TREASURY" below it.

    1.46-Carat Peachy Pink Spinel

    $2,200.00

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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.