Three-Stone

Showing 25–48 of 66 resultsSorted by latest

  • 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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  • The "Ariadne" Five-Stone Ring in 14k yellow gold with 2.41-Carat Montana SapphireThe "Ariadne" Five-Stone Ring in 14k yellow gold with 2.41-Carat Montana Sapphire

    The “Ariadne” Five-Stone Ring

    $5,200.00

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  • The "Ramona" Three-Stone Ring in 18k yellow gold with 4.02-Carat Montana SapphireThe "Ramona" Three-Stone Ring in 18k yellow gold with 4.02-Carat Montana Sapphire

    The “Ramona” Three-Stone Ring

    $4,500.00

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  • The "Finella" ring in platinum, featuring a 2.13-carat Montana sapphire and small clear side stones, is displayed on a green leaf with the "EARTH'S TREASURY" logo at the bottom.The "Finella" ring in platinum with a 2.13-carat Montana sapphire is shown upright on a textured gray stone background, sparkling side accents aglow. "EARTH'S TREASURY" appears at the bottom.

    The “Finella” Three-Stone Ring

    $1,950.00

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  • The "Harmonia" ring in 14k rose gold with 1.55-Carat Montana sapphireThe "Harmonia" ring in 14k rose gold with 1.55-Carat Montana sapphire

    The “Harmonia” Three-Stone Ring

    $2,150.00

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  • The "Damara" ring in 18k yellow gold showcases a 2.44-carat Madagascar sapphire center stone, accented by two clear stones, elegantly displayed atop a rough blue mineral on a textured gray surface.The "Damara" ring in 18k yellow gold showcases a 2.44-carat Madagascar sapphire center stone, accented by two clear stones, elegantly displayed atop a rough blue mineral on a textured gray surface.

    The “Damara” Three-Stone Ring

    $3,850.00

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  • The "Mavis" ring in 14k yellow gold, upgraded with 4.5mm diamonds, with 2.09-carat Montana sapphireThe "Mavis" ring in 14k yellow gold, upgraded with 4.5mm diamonds, with 2.09-carat Montana sapphire

    The Cathedral “Mavis” Three-Stone Ring

    $2,700.00

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  • The "Isabella" Ring in platinum with 1.08-Carat Montana SapphireThe "Isabella" Ring in platinum with 1.08-Carat Montana Sapphire

    The “Isabella” Ring

    $3,850.00

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  • The "Alocasia" ring in 18K white gold features a 1.00-carat rectangular Montana sapphire and two round diamonds, shown atop a rough blue crystal with the "Earth's Treasury" logo below.The "Alocasia" ring in 18K white gold features a 1.00-carat rectangular Montana sapphire and two round diamonds, shown atop a rough blue crystal with the "Earth's Treasury" logo below.

    The “Alocasia” Three-Stone Ring

    $2,100.00

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  • A pendant inspired by the "Elowen" ring in platinum, which features a 1.09-carat Montana sapphire at its center, flanked by two white pear-shaped stones, is elegantly set and displayed on a green striped leaf.The "Stacked from 50 images. Method=B (R=8,S=4)" ring stands upright on a textured blue stone, with the Earth’s Treasury logo and name displayed below.

    The “Elowen” Three-Stone Ring

    $2,600.00

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  • The "Carina" ring in 14k white gold, featuring a 1.53-carat Montana Sapphire flanked by marquise-cut gems, is displayed on a green plant stem. The "Earth's Treasury" logo appears at the bottom, enhancing its elegance.A "Carina" ring in 14k white gold with a 1.53-carat Montana sapphire is shown upright from the side on a textured surface, featuring the "Earth’s Treasury" logo at the bottom.

    The “Carina” Ring

    $2,400.00

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  • The "Stacked from 61 images. Method=B (R=1,S=4)" pendant features a round blue gemstone with two marquise-cut clear stones, evoking a three-stone ring, set against a green and white leafy background.A minimal ring with a large blue gemstone, "Stacked from 61 images. Method=B (R=1,S=4)", is displayed upright before a matching rough blue stone on a textured grey surface. The "EARTH'S TREASURY" logo appears below.

    The Minimal “Avalon” Three-Stone Hidden Halo Ring

    $2,500.00

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  • The "Morrigan" platinum ring, featuring a 1.64-carat hexagonal Montana sapphire and two triangular clear stones, is displayed on a green leaf.The "Morrigan" ring in platinum, featuring a 1.64-carat Montana sapphire and two clear side stones, is shown upright on a rough blue-green mineral, with the "Earth's Treasury" logo beneath.

    The “Morrigan” Ring

    $4,500.00

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  • The "Multiflora" ring in 14k white gold with 1.53-Carat Montana SapphireThe "Multiflora" ring in 14k white gold with 1.53-Carat Montana Sapphire

    The “Multiflora” Trellis Three-Stone Ring

    $2,450.00

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  • The "Maeve" ring in 14k yellow gold features a 0.91-carat Montana sapphire at the center with two smaller white stones on either side, shown against a green leaf background.The "Maeve" ring, crafted in 14k yellow gold with a 0.91-carat uncut Montana sapphire, stands upright on a textured gray surface. "EARTH'S TREASURY" is displayed at the bottom of the image.

    The “Maeve” Three-Stone Ring

    $2,450.00

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  • The "Galina" ring in 18k yellow gold with a 1.34-carat Spinel has a round red center stone and marquise clear accents, displayed on a green surface above the "Earth's Treasury" logo.The "Galina" ring in 18k yellow gold with a 1.34-carat Spinel stands upright before a rough blue stone on a textured gray surface, with the Earth's Treasury logo at the bottom.

    The “Galina” Ring

    $2,900.00

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  • The Pave "Avalon" ring in platinum with 1.66-carat Australian sapphireThe Pave "Avalon" ring in platinum with 1.66-carat Australian sapphire

    The Pave “Avalon” Hidden Halo Ring

    $2,850.00

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  • The "Isolde" in 14k yellow gold with 1.01-carat Montana sapphire alongside the "Minthe" band in 14k yellow goldThe "Isolde" ring in 14k yellow gold with 1.01-carat Montana sapphire

    The “Isolde” Ring

    $2,800.00

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  • The "Circe" ring in 18K yellow gold with 2.26-carat Montana sapphireThe "Circe" ring in 18K yellow gold with 2.26-carat Montana sapphire

    The “Circe” Halo Ring

    $3,200.00

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  • The "Virona" ring in 18k white gold with 1.03-Carat Montana SapphireThe "Virona" ring in 18k white gold with 1.03-Carat Montana Sapphire

    The “Virona” Three-Stone Ring

    $2,450.00

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  • The "Evelyn" ring in Platinum with 1.82-carat Montana sapphireThe "Evelyn" ring in Platinum with 1.82-carat Montana sapphire

    The “Evelyn” Three-Stone Ring

    $2,700.00

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  • The "Rhiannon" ring in 14k yellow gold with a 2.02-carat Montana Sapphire and two triangular clear stones rests on a green leaf, with "Earth's Treasury" text at the bottom.The "Rhiannon" ring in 14k yellow gold, featuring a 2.02-carat Montana Sapphire center and side stones, stands upright before a rough blue crystal on a textured metallic surface. Earth's Treasury logo appears below.

    The “Rhiannon” Three-Stone Ring

    $2,700.00

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  • The "Eloise" ring in 14k yellow gold with 0.94-Carat Montana SapphireThe "Eloise" ring in 14k yellow gold with 0.94-Carat Montana Sapphire

    The “Eloise” Three-Stone Ring

    $1,950.00

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  • 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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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.