Square Cushion

Showing 121–144 of 624 resultsSorted by latest

  • The "Concordia" ring in 14k yellow gold features a 0.94-carat Montana sapphire center, flanked by two round blue stones and two tapered clear stones, displayed vertically on a green stem with "Earth's Treasury" branding below.The "Concordia" ring in 14k yellow gold, featuring a 0.94-carat Montana sapphire, is displayed upright against a rough bluish stone with a textured gray background.

    The “Concordia” Five-Stone Ring

    $2,950.00

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  • The "Hera" ring in 18k yellow gold features a 2.88-carat rectangular emerald center stone and two trapezoid-cut side diamonds, displayed on a green striped surface.The "Hera" ring in 18k yellow gold with a 2.88-carat emerald is displayed upright, highlighting its side setting against a geometric background with the text "EARTH'S TREASURY" at the bottom.

    The “Hera” Three-Stone Ring

    $4,100.00

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  • The "Dinara" ring in 14K yellow gold features a 1.72-carat Australian sapphire and two clear side stones, displayed on a green leaf background with "Earth's Treasury" text at the bottom.The "Dinara" ring in 14K yellow gold, featuring a 1.72-carat Australian sapphire, stands upright on a textured stone background with the Earth’s Treasury logo at the bottom.

    The “Dinara” Three-Stone Ring

    $2,900.00

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  • The "Olympia" ring in 18k yellow gold features a 1.18-carat rectangular ruby flanked by two smaller clear gemstones, set on a green leaf surface.18k yellow gold "Olympia" ring featuring a 1.18-carat ruby and clear stones on a textured surface, labeled "Earth's Treasury.

    The “Olympia” Three-Stone Ring

    $3,300.00

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  • The "Kaelin" Ring in 14k yellow gold features a 1.00-carat round Ceylon sapphire center, flanked by two oval white stones, displayed on a green leaf background.The "Kaelin" Ring in 14k yellow gold with a 1.00-carat Ceylon sapphire is shown upright in a prong setting on a dark stone background, viewed from the side. The "Earth's Treasury" logo appears at the bottom.

    The “Kaelin” Three-Stone Ring

    $2,900.00

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  • The "Lobelia" ring in platinum features a 1.19-carat Montana sapphire at its center, accented by white marquise and pear-shaped stones, beautifully displayed on a green leaf.A close-up side view of the "Lobelia" ring in platinum with a 1.19-carat Montana sapphire, displayed upright against a rough blue-green stone, with the Earth's Treasury logo at the bottom.

    The “Lobelia” Cluster Ring

    $2,900.00

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  • The "Liana" ring in 18k yellow gold features a 1.50-carat round Australian sapphire at its center, accented by marquise and round white stones, shown resting on a green leaf.The "Liana" ring in 18k yellow gold with a 1.50-carat Australian sapphire stands upright on a rough blue stone, set against a geometric patterned background with "EARTH'S TREASURY" at the bottom.

    The “Liana” Cluster Ring

    $2,900.00

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  • The "Marilyn" ring in 18k yellow gold features a 3.20-carat cushion-cut Ceylon sapphire and diamond-accented band, displayed on a green leaf with Earth’s Treasury logo at the bottom.The "Marilyn" ring in 18k yellow gold features an intricate band and a 3.20-carat Ceylon sapphire in a four-prong setting, shown upright on a textured gray surface.

    The “Marilyn” Ring

    $2,450.00

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  • The "Graciella" ring in 14k white gold features a 1.27-carat hexagon Montana sapphire with a diamond halo and intertwining diamond band, shown on a green leaf.The "Graciella" ring in 14k white gold with a 1.27-carat Montana sapphire stands upright on a textured gray surface, with the "EARTH'S TREASURY" logo visible at the bottom.

    The “Graciella” Halo Ring

    $3,200.00

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  • The "Pallas" platinum ring with a 0.73-carat Montana sapphire and sparkling side stones is displayed on a green leaf, with the Earth's Treasury logo at the bottom.A platinum "Pallas" ring set with a 0.73-carat Montana sapphire stands upright against a rough blue stone on a textured gray surface, with the text "Earth's Treasury" below.

    The “Pallas” Ring

    $2,500.00

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  • The "Clary" ring features a 1.43-carat oval Montana sapphire set in 14k yellow gold, accented by two round white diamonds, and is elegantly displayed on a green leaf background.The "Clary" ring in 14k yellow gold, featuring a 1.43-carat Montana Sapphire in a prong setting, is displayed upright against a rough textured blue stone background.

    The “Clary” Three-Stone Ring

    $2,300.00

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  • The "Nymph" ring in 14K yellow gold features a 1.27-carat Montana sapphire flanked by two pear-shaped clear stones, beautifully presented on a green leaf background for an enchanting, nature-inspired look.The "Nymph" ring in 14K yellow gold features a 1.27-carat Montana sapphire accented by two pear-shaped clear stones, displayed on a rough blue crystal with the "Earth’s Treasury" logo—a striking three-stone ring for any occasion.

    The “Nymph” Three-Stone Ring

    $2,450.00

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  • The "Dryad" ring in 14k yellow gold features a 3.50-carat oval Montana sapphire and two pear-shaped clear stones, shown on a green stem with the "Earth's Treasury" logo below.The "Dryad" ring in 14k yellow gold with a 3.50-carat Montana sapphire is displayed upright on a stone, with the Earth's Treasury logo at the bottom.

    The “Dryad” Three-Stone Ring

    $2,450.00

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  • The "Sylph" ring in 14k yellow gold features a 1.62-carat round Australian sapphire in teal and yellow hues with two small pear-shaped side stones, showcased on a green leaf.The "Sylph" ring in 14k yellow gold with a 1.62-carat Australian sapphire is shown upright in an ornate setting against a rough blue stone, with "Earth's Treasury" displayed below.

    The “Sylph” Three-Stone Ring

    $2,200.00

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  • The "Plumeria" ring in 18k yellow and platinum, featuring a 1.18-carat Ceylon sapphire surrounded by diamonds, is displayed on a green plant stem with the "Earth's Treasury" logo below.The "Plumeria" ring in 18k yellow and platinum, featuring a 1.18-carat Ceylon sapphire in an ornate prong setting, displayed upright on dark stone with “EARTH'S TREASURY” below.

    The “Plumeria” Halo Ring

    $2,700.00

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  • The "Celeste" ring in 14k rose gold showcases a 2.37-carat Montana sapphire with white accent stones, beautifully presented on a green leaf.The "Celeste" ring in 14k rose gold with a 2.37-carat Montana sapphire is displayed upright on a textured gray surface, with the Earth's Treasury logo at the bottom.

    The “Celeste” Ring

    $2,950.00

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  • The "Yulania" ring features a platinum band with a 1.52-carat Ceylon sapphire at the center, accented by marquise and pear-shaped clear stones, beautifully displayed on a green leaf.The "Yulania" ring showcases a platinum band with a 1.52-carat Ceylon sapphire center, accented by marquise white stones, displayed on a rough blue-green stone background.

    The “Yulania” Ring

    $3,400.00

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  • The "Antoinette" ring features a 1.69-carat Australian yellow-green sapphire in 14k yellow gold with a split-shank setting, shown on a green leaf with "Earth's Treasury" branding below.The "Antoinette" ring in 14k yellow gold with a 1.69-carat Australian sapphire stands upright before a rough blue mineral, with small diamonds and a geometric metallic background. "Earth's Treasury" appears at the bottom.

    The “Antoinette” Ring

    $2,600.00

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  • The "Cassia" ring in 14K white gold with 0.96-carat Montana sapphireThe "Cassia" ring in 14K white gold with 0.96-carat Montana sapphire

    The “Cassia” Ring

    $2,700.00

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  • The "Poppy" ring in 18k yellow gold features a 0.98-carat round Montana Sapphire at the center, accented by small white stones, and is displayed on a green surface with "Earth's Treasury" branding below.The "Poppy" ring in 18k yellow gold with a 0.98-carat Montana Sapphire stands upright against a blue stone, with the "Earth's Treasury" logo below on a textured background.

    The “Poppy” Ring

    $1,950.00

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  • The "Iris" ring in 14K yellow gold, set with a 1.60-carat Montana sapphire and four white accent stones, rests on a green leaf; the Earth's Treasury logo is shown below.The "Iris" ring in 14K yellow gold with a 1.60-carat Montana sapphire stands upright against a rough blue stone, with the "Earth's Treasury" logo below on a textured background.

    The “Iris” Ring

    $1,950.00

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  • A platinum "Anise" ring featuring a 1.37-carat Montana Sapphire, marquise and round diamonds, displayed on a green striped background with the "Earth's Treasury" logo below.The "Anise" ring in platinum features a 1.37-carat Montana Sapphire in an intricate setting, displayed upright on a rough blue stone with the Earth's Treasury logo below.

    The “Anise” Ring

    $2,300.00

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  • The "Viney" ring in 14k yellow gold features a 0.76-carat round Montana sapphire at the center, accented by three small clear stones, and is displayed elegantly on a green striped leaf.The "Viney" ring in 14k yellow gold with a 0.76-carat Montana sapphire is displayed upright on a textured gray surface, with "EARTH'S TREASURY" written below.

    The “Viney” Ring

    $2,200.00

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  • The "Myra" ring in 20k pink gold features a 0.81-carat square Montana sapphire and small round diamonds on the band, shown on a green leaf with the "Earth's Treasury" logo at the bottom.The "Myra" ring in 20k pink gold with a 0.81-carat Montana sapphire is displayed upright on a dark stone, set against a textured metallic background. The Earth's Treasury logo appears at the bottom.

    The “Myra” Ring

    $2,100.00

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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.