Three-Stone

Showing 49–67 of 67 resultsSorted by latest

  • The "Niamh" ring in 14k rose gold features a 0.95-carat oval Montana sapphire center and two small white accent stones, shown on a green surface with the Earth's Treasury logo at the bottom.A "Niamh" ring in 14k rose gold with a 0.95-carat Montana sapphire is displayed upright on a rough blue mineral specimen, with the "Earth's Treasury" logo and text below.

    The “Niamh” Three-Stone Ring

    $1,950.00

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  • The "Naiad" in 14k white gold with 0.87-Carat Montana SapphireThe "Naiad" in 14k white gold with 0.87-Carat Montana Sapphire

    The “Naiad” Three-Stone Ring

    $2,100.00

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  • The "Mielikki" ring in 14K yellow gold with 2.76-Carat Montana sapphireThe "Mielikki" ring in 14K yellow gold with 2.76-Carat Montana sapphire

    The “Mielikki” Three-Stone Ring

    $3,850.00

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  • The "Evadne" ring in 14k yellow gold with 1.08-Carat Australian SapphireThe "Evadne" ring in 14k yellow gold with 1.08-Carat Australian Sapphire

    The “Evadne” Three-Stone Ring

    $2,150.00

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  • The "Halley" ring in 18k white gold showcases a 0.91-carat Montana sapphire at its center, flanked by two smaller clear stones in a classic three-stone design, displayed on a green and white background.The "Halley" ring in 18k white gold with a 0.91-carat Montana sapphire stands upright before a rough blue mineral, branded "Earth's Treasury," its celestial-inspired design radiating elegance.

    The “Halley” Three-Stone Ring

    $2,100.00

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  • The "Clymene" ring in 14k yellow gold with 2.90-carat Montana sapphireThe "Clymene" ring in 14k yellow gold with 2.90-carat Montana sapphire

    The “Clymene” Three-Stone Ring

    $3,150.00

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  • The "Auriga" ring in platinum with 1.35-carat Montana sapphire, alongside the contour "Orinoco" band in platinumThe "Auriga" ring in platinum with 1.35-carat Montana sapphire

    The “Auriga” Three-Stone Ring

    $2,150.00

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  • A silver Roe, Ana ring featuring a triangular blue gemstone and small side diamonds rests on green leaves; the "Earth's Treasury" logo appears below.A Roe, Ana Ring featuring a silver band with a green gemstone stands upright on a textured metallic surface, with "EARTH'S TREASURY" displayed below.

    The “Adelaide” Ring

    $3,050.00

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  • The "Melilai" ring in 14k yellow gold features a 1.06-carat Montana sapphire and two clear stones, elegantly displayed on a green leaf with the Earth's Treasury logo below.The "Melilai" ring in 14k yellow gold, featuring a 1.06-carat Montana sapphire and two clear side stones, is displayed on a rough blue-green mineral with the "EARTH'S TREASURY" logo below.

    The “Melilai” Three-Stone Ring

    $2,700.00

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  • The "Dryope" ring in 18k yellow gold features a 1.41-carat Ceylon sapphire between two clear stones, elegantly displayed on a green textured surface with "Earth's Treasury" below.The "Dryope" ring in 18k yellow gold showcases a 1.41-carat Ceylon sapphire flanked by two diamonds, displayed upright on textured blue stone with the Earth's Treasury logo below. Inspired by the enchanting Dryope collection.

    The “Dryope” Three-Stone Ring

    $2,300.00

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  • The "Lonicera" ring in 14k rose gold features a 0.93-carat Montana sapphire at its center, accented by two sparkling side stones—where nature’s elegance meets fine jewelry.The "Lonicera" ring in 14k rose gold with a 0.93-carat Montana sapphire stands upright on a rough blue stone, set against a gray textured background. The Earth's Treasury jewelry logo appears at the bottom.

    The “Lonicera” Ring

    $2,800.00

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  • The "Celaeno" ring in 14K yellow gold features a 1.02-carat Australian sapphire and two clear geometric stones, elegantly displayed on a green leaf with The Earth's Treasury logo at the bottom.The "Celaeno" ring in 14K yellow gold features a 1.02-carat Australian sapphire and sparkling side stones, elegantly presented on a rough blue mineral with a textured gray background.

    The “Celaeno” Three-Stone Ring

    $4,300.00

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  • A rectangular blue "Cyanea" three-stone ring in 18K white gold with a 2.69-carat Montana sapphire is displayed on a green plant stem, the Earth’s Treasury logo shown below.The "Cyanea" three-stone ring in 18K white gold showcases a 2.69-carat Montana sapphire and three rectangular faceted stones, photographed from above on a textured gray surface.

    The “Cyanea” Three-Stone Ring

    $3,850.00

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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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  • 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 "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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  • 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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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.