18K Yellow Gold

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  • The "Mandevilla" ring in 14k yellow gold, featuring a 1.80-carat Australian sapphire and two rectangular side stones, is shown vertically on a lush green leaf. "EARTH'S TREASURY" appears at the bottom.The "Mandevilla" ring in 14k yellow gold with a 1.80-carat Australian sapphire stands upright on rough blue stone against a geometric metallic backdrop, with the Earth’s Treasury logo featured below.

    The “Mandevilla” Three-Stone Ring

    $3,150.00

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  • A stackable silver ring with a square bezel-set blue gemstone is displayed on a green leaf, with "McMinn, Richard and Gomez, Eric" written below.A solitaire ring with a rough blue gemstone is shown on a gray patterned surface, labeled "McMinn, Richard and Gomez, Eric" below.

    The Stackable “Emma” Solitaire

    $2,200.00

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  • The "Diana" ring in 18K yellow gold features a 1.08-carat Montana sapphire center surrounded by diamonds, shown on a green striped leaf.The "Diana" ring in 18K yellow gold with a 1.08-carat Montana sapphire is displayed on a metallic, patterned background featuring the "Earth's Treasury" logo at the bottom.

    The “Diana” Halo Ring

    $2,450.00

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  • Showcasing the "Liriope" ring in 14k rose gold, this piece features a 1.40-carat Montana sapphire at its center with marquise and pear-shaped clear stones, elegantly displayed on a green background.The "Liriope" ring in 14k rose gold features a 1.40-carat Montana sapphire, elegantly set atop a rough blue stone and displayed with the Earth's Treasury logo below.

    The “Liriope” Ring

    $2,700.00

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  • A "Nelisa" solitaire ring in 14K white gold with a 1.51-carat Montana sapphire is displayed on a green leaf. The Earth's Treasury logo is shown at the bottom of the image.The "Nelisa" ring in 14K white gold with a 1.51-carat Montana sapphire is displayed upright before a rough blue stone on a patterned surface, with "EARTH'S TREASURY" shown at the bottom.

    The “Nelisa” Solitaire

    $1,700.00

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  • The "Clematis" Ring in platinum features a 1.62-carat round Madagascar sapphire at the center, accented by two pear-shaped clear stones, shown displayed on a green leaf.The "Clematis" Ring in platinum features a 1.62-carat Madagascar sapphire and an intricate prong setting, displayed upright on a gray textured surface with Earth’s Treasury logo below.

    The “Clematis” Three-Stone Trellis Ring

    $2,450.00

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  • The "Erythia" ring in 20K pink gold, featuring a 1.42-carat oval Montana sapphire and six round diamonds, rests on a green plant leaf above the "EARTH'S TREASURY" text, highlighting exquisite Erythia jewelry.The "Erythia" ring in 20K pink gold, featuring a 1.42-carat Montana sapphire, is shown upright on a rough blue stone with a textured metallic background.

    The “Erythia” Cluster Ring

    $2,300.00

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  • The "Snowflake" ring in 18K yellow gold, hammered and polished, featuring a 1.80-carat Montana sapphire, stands upright on a green leaf with the Earth's Treasury logo below—evoking the style of Snowflake Solitaire.The "Snowflake" ring in 18K yellow gold, hammered and polished, with a 1.80-carat Montana sapphire is displayed upright on a blue rough stone atop a textured surface, with the Earth’s Treasury logo at the bottom.

    The “Snowflake” Solitaire

    $1,700.00

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  • The "Maia" Band in platinumThe "Maia" Band in platinum

    The “Mavis” Band

    $2,200.00

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  • The "Mavis" ring in 14K white gold showcases a 1.02-carat Montana sapphire center and two triangular clear stones, beautifully set against a green leaf background.The "Mavis" ring in 14K white gold with a 1.02-carat Montana sapphire is shown upright on a blue stone, with the "Earth's Treasury" logo beneath on a textured background.

    The “Mavis” Three-Stone Ring

    $2,700.00

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  • The "Hesperia" ring in 14K yellow gold features a 2.21-carat Montana sapphire and small round diamonds, shown on a green leaf with the Earth's Treasury logo below.The "Hesperia" ring in 14K yellow gold showcases a 2.21-carat Montana sapphire and side baguette stones, shown upright with a rough blue mineral and the Earth’s Treasury logo in the background.

    The “Hesperia” Ring

    $2,200.00

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  • The "Merope" Band in 14k yellow goldThe "Merope" Band in 14k yellow gold

    The “Merope” Band

    $2,500.00

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  • A platinum "Merope" ring featuring a 1.42-carat Ceylon sapphire and two pear-shaped clear stones, displayed on a green leaf background with "Earth's Treasury" branding below.A platinum "Merope" ring featuring a 1.42-carat Ceylon sapphire and two clear side stones stands upright on a textured gray surface, with the "Earth's Treasury" logo below.

    The “Merope” Three-Stone Ring

    $2,450.00

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  • The "Wisteria" 3.0 ring in 14k yellow gold features a 1.14-carat Montana sapphire between two white diamonds, shown against green leaves with the "Earth's Treasury" logo at the bottom.The "Wisteria" 3.0 ring in 14k yellow gold featuring a 1.14-carat Montana sapphire stands upright on a rough stone surface, viewed from the base, with the Earth's Treasury logo at the bottom.

    The “Wisteria” Three-Stone Trellis Ring

    $2,100.00

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  • A Le Renard, Yann engagement ring with a blue gemstone cushion cut center and baguette side stones is displayed on a green leaf; the "Earth's Treasury" logo appears at the bottom.The Le Renard, Yann ring, featuring a rectangular blue gemstone set in silver, stands upright on textured blue stone with the Earth's Treasury logo beneath.

    The “Clio” Three-Stone Ring

    $2,450.00

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  • The "Arethusa" ring in platinum features a 2.65-carat round Montana sapphire and smaller clear stones along the band, shown on a green leaf with "Earth's Treasury" below—an exquisite, nature-inspired jewelry design.The "Arethusa" ring in platinum, featuring a 2.65-carat Montana sapphire, is displayed upright on a textured surface with the Earth's Treasury logo at the bottom.

    The “Arethusa” Ring

    $2,800.00

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  • The "Meissa" ring in 14K white gold with a 1.47-carat Montana sapphire and diamond band rests on a green leaf, with the Earth's Treasury logo visible at the bottom of the image.The "Meissa" ring in 14K white gold with a 1.47-carat rectangular Montana sapphire stands upright, a blue textured stone behind it and the Earth’s Treasury logo below.

    The Classic Pave “Meissa” Ring

    $2,450.00

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  • The "Calypso" ring in platinum showcases a 2.10-carat Montana sapphire, accented by smaller blue stones and marquise-shaped white details, elegantly displayed on a green plant leaf.The "Calypso" ring in platinum with a 2.10-carat Montana sapphire stands upright before a rough blue stone on textured gray, with the "Earth's Treasury" logo at the bottom.

    The “Calypso” Ring

    $2,600.00

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  • The "Flora" ring in 18K yellow gold with 1.83-carat Montana sapphireThe "Flora" ring in 18K yellow gold with 1.83-carat Montana sapphire

    The “Flora” Solitaire

    $1,700.00

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  • The "Cascade" ring in platinum features a 1.24-carat Ceylon sapphire at the center, accented by smaller clear stones on each side and elegantly displayed on a green plant stem.The Cascade ring in platinum with a 1.24-carat Ceylon sapphire is displayed upright against a blue rock on textured gray, with the "Earth's Treasury" logo at the bottom.

    The “Cascade” Ring

    $3,350.00

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  • The "Lucerne" band in 18k yellow goldThe "Lucerne" band in 18k yellow gold

    The “Lucerne” Band

    $1,900.00

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  • The "Arethusa" band in platinumThe "Arethusa" band in platinum

    The “Arethusa” Band

    $2,200.00

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  • The "Hesperia" band in 20K pink gold displayed on a rock.The "Hesperia" band in 20K pink gold, featuring a curved row of diamonds, is shown resting on a rough blue gemstone above the Earth’s Treasury logo on a textured gray surface.

    The “Hesperia” Band

    $1,750.00

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  • The "Thames" band in 14k yellow goldThe "Thames" band in 14k yellow gold

    The “Thames” Band

    $2,500.00

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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.