Square Cushion

Showing 193–216 of 624 resultsSorted by latest

  • The Classic Pave "Blumia" Ring, featuring a central pink gemstone encircled by smaller clear stones along the silver band, is elegantly displayed resting on a green, leaf-like background. The text "Earth's Treasury" appears at the bottom of the image.The Classic Pave "Blumia" Ring features a stunning large pink gemstone set in a silver band, which is adorned with small, sparkling diamonds. It is displayed upright against a textured background, with the text "Earth's Treasury" visible at the bottom center.

    The Classic Pave “Blumia” Ring

    $2,450.00

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  • 0.69-Carat Bright Pink Sapphire

    0.69-Carat Bright Pink Sapphire

    $850.00

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  • 1.09-Carat Pale Yellow Sapphire

    1.09-Carat Pale Yellow Sapphire

    $1,450.00

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  • 1.16-Carat Near Colorless Sapphire

    1.16-Carat Near Colorless Sapphire

    $2,200.00

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  • Displayed is "The 'Olea' Hidden Halo Solitaire," a stunning silver ring with an intricate, twisted band and a round, green gem at its center. The backdrop is filled with lush green leaves, and the text "EARTH'S TREASURY" is prominently featured at the bottom of the image.Close-up of the "Olea" Hidden Halo Solitaire ring featuring a green gemstone, seen from the side, showcasing its intricate braided band design. The ring is positioned upright on a textured blue rock against a gray background. The text "Earth's Treasury" is visible at the bottom of the image.

    The “Olea” Hidden Halo Solitaire

    $2,050.00

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  • The "Waltz" ring in 18K yellow gold features a 1.67-carat square Montana sapphire center and diamond accents on the band, displayed on green with The Earth's Treasury logo elegantly at the bottom.The "Waltz" ring in 18K yellow gold, featuring a 1.67-carat rectangular Montana sapphire and diamond accents, is displayed on a rough blue stone with the "Earth's Treasury" logo beneath.

    The “Waltz” Diamond-Accented Solitaire

    $2,450.00

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  • A round-cut light yellow-green gemstone set in a gold ring with a patterned band, displayed on a green leaf background. The name "The 'Kerria' Solitaire" is visible at the bottom of the image.The "Kerria" Solitaire ring, set with a light green gemstone in an elegant V-shaped prong setting, features a sleek, modern design. Displayed upright on a textured gray surface, it is accompanied by the brand name "Earth's Treasury" below.

    The “Kerria” Solitaire

    $2,050.00

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  • The Lynet ring in platinum with 3.21-carat Montana sapphireThe Lynet ring in platinum with 3.21-carat Montana sapphire

    The “Lynet” Solitaire

    $2,050.00

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  • 1.08-Carat Light Aqua Blue Sapphire

    1.08-Carat Light Aqua Blue Sapphire

    $1,650.00

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  • 0.71-Carat Pale Pink Montana Sapphire

    0.71-Carat Pale Pink Montana Sapphire

    $750.00

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  • A 1.34-carat Peacock Blue Montana Sapphire (Heated) with square cushion cut and intricate facets is displayed on a textured surface, with the Earth’s Treasury logo visible at the bottom.

    1.34-Carat Peacock Blue Montana Sapphire (Heated)

    $2,900.00

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  • 1.06-Carat Deep Blue Montana Sapphire (Heated)

    1.06-Carat Deep Blue Montana Sapphire (Heated)

    $1,500.00

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  • 0.78-Carat Yellow-Gold Particolored Montana Sapphire (Heated)

    0.78-Carat Yellow-Gold Particolored Montana Sapphire (Heated)

    $700.00

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  • A 1.32-Carat Pale Blue Montana Sapphire with a cushion cut sits on a textured metallic surface, with "EARTH'S TREASURY" displayed below.

    1.32-Carat Pale Blue Montana Sapphire

    $2,100.00

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  • The "Catarina" ring, crafted in 14k yellow gold and featuring a 1.64-carat blue Montana center stone, is adorned with sparkling white diamonds around it, shining beautifully against a green backdrop.Set against a textured gray background, The "Catarina" ring in 14k yellow gold showcases a 1.64-carat Montana sapphire, elegantly surrounded by small radiant diamonds.

    The “Catarina” Hidden Halo Ring

    $2,400.00

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  • 1.66-Carat Royal Blue Ceylon Sapphire (Heated)

    1.66-Carat Royal Blue Ceylon Sapphire (Heated)

    $4,600.00

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  • 1.48-Carat Greenish Yellow Australian Sapphire (Heated)

    1.48-Carat Greenish Yellow Australian Sapphire (Heated)

    $1,900.00

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  • 1.48-Carat Golden Yellow Australian Sapphire (Heated)

    1.48-Carat Golden Yellow Australian Sapphire (Heated)

    $1,600.00

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  • 1.75-Carat Greenish Yellow Australian Sapphire (Heated)

    1.75-Carat Greenish Yellow Australian Sapphire (Heated)

    $1,850.00

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  • 2.08-Carat Lime Green Australian Sapphire (Heated)

    2.08-Carat Lime Green Australian Sapphire (Heated)

    $3,300.00

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  • 2.34-Carat Blue-Green Particolored Australian Sapphire (Heated)

    2.34-Carat Blue-Green Particolored Australian Sapphire (Heated)

    $3,850.00

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  • 1.26-Carat Teal Blue Montana Sapphire (Heated)

    1.26-Carat Teal Blue Montana Sapphire (Heated)

    $1,800.00

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  • 0.84-Carat Near Colorless Montana Sapphire (Heated)

    0.84-Carat Near Colorless Montana Sapphire (Heated)

    $800.00

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  • The "Odelia" in platinum with 1.30-carat diamond, alongside the "Odelia" band in platinumThe "Odelia" in platinum with 1.30-carat diamond

    The “Odelia” Ring

    $2,950.00

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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.