18K White Gold

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  • The "Loire" band in platinumThe "Loire" band in platinum

    The “Loire” Band

    $2,100.00

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  • The "Clarice" ring in 14K yellow gold with a 0.97-carat Montana sapphire rests on a green leaf.The "Clarice" ring in 14K yellow gold, featuring a 0.97-carat Montana sapphire in a prong setting, is displayed upright against a dark stone with the Earth's Treasury logo at the bottom.

    The “Clarice” Solitaire

    $1,700.00

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  • The "Lyra" ring in 14K white gold with 0.93-carat Umba sapphireThe "Lyra" ring in 14K white gold with 0.93-carat Umba sapphire

    The “Lyra” Solitaire

    $1,700.00

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  • The "Deirdre" ring in 14k yellow gold with 2.01-carat Montana sapphireThe "Deirdre" ring in 14k yellow gold with 2.01-carat Montana sapphire

    The “Deirdre” Solitaire

    $1,900.00

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  • The "Karelia" ring in 20k pink gold and platinum, with 1.43-Carat Montana SapphireThe "Karelia" ring in 20k pink gold and platinum, with 1.43-Carat Montana Sapphire

    The “Karelia” Diamond-Accented Solitaire

    $1,900.00

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  • The Deluxe Pave "Aquila" ring in platinum with 2.24-carat Montana sapphireThe Deluxe Pave "Aquila" ring in platinum with 2.24-carat Montana sapphire

    The Deluxe Pave “Aquila” Ring

    $2,800.00

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  • The Deluxe Pave "Amelia" Ring in 18k yellow gold with 1.62-Carat Montana SapphireThe Deluxe Pave "Amelia" Ring in 18k yellow gold with 1.62-Carat Montana Sapphire

    The Deluxe Pave “Amelia” Hidden Halo Ring

    $2,900.00

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  • The "Hyacinth" ring in 14k white gold with 1.46-Carat Montana SapphireThe "Hyacinth" ring in 14k white gold with 1.46-Carat Montana Sapphire

    The “Hyacinth” Cluster Ring

    $2,400.00

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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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  • 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 "Laurel" ring in 14K yellow gold with 1.64-carat Australian sapphireThe "Laurel" ring in 14K yellow gold with 1.64-carat Australian sapphire

    The “Laurel” Ring

    $2,700.00

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  • The Bypass "Sappho" in 20k pink gold with 1.01-Carat Montana SapphireThe Bypass "Sappho" in 20k pink gold with 1.01-Carat Montana Sapphire

    The Bypass “Sappho” Cluster Ring

    $2,300.00

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  • The "Vela" ring in 14k white gold with 0.62-carat Montana sapphireThe "Vela" ring in 14k white gold with 0.62-carat Montana sapphire

    The “Vela” Cluster Ring

    $2,300.00

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  • The Classic Pave “Flora” Ring in platinum with 2.28-Carat Montana SapphireThe Classic Pave “Flora” Ring in platinum with 2.28-Carat Montana Sapphire

    The Classic Pave “Flora” Ring

    $2,450.00

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  • The "Anthea" ring in 14k yellow gold with 1.71-Carat Montana SapphireThe "Anthea" ring in 14k yellow gold with 1.71-Carat Montana Sapphire

    The “Anthea” Ring

    $2,450.00

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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 “Larisa” ring in 18k yellow gold with a 1.35-carat Montana sapphire is displayed upright against a green textured background with the "Earth's Treasury" logo at the bottom, highlighting its elegance.A gold Larisa Solitaire ring with a clear gemstone is displayed upright before a rough blue stone, labeled "Stacked from 53 images. Method=B (R=8,S=4)" below.

    The “Larisa” Solitaire

    $1,800.00

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  • The Classic Pave "Paphos" Ring in platinum with 0.92-carat Montana sapphireThe Classic Pave "Paphos" Ring in platinum with 0.92-carat Montana sapphire

    The Classic Pave “Paphos” Ring

    $2,450.00

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  • The "Heliophila" ring in platinum with 1.81-Carat Montana SapphireThe "Heliophila" ring in platinum with 1.81-Carat Montana Sapphire

    The Pave “Heliophila” Ring

    $2,300.00

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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 "Thalia" ring in 14K yellow gold with 0.65-carat Montana sapphireThe "Thalia" ring in 14K yellow gold with 0.65-carat Montana sapphire

    The “Thalia” Solitaire

    $1,700.00

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  • The Classic Pave "Sophia" ring in 14k rose gold with 2.26-Carat Montana SapphireThe Classic Pave "Sophia" ring in 14k rose gold with 2.26-Carat Montana Sapphire

    The Classic Pave “Sophia” Hidden Halo Ring

    $2,900.00

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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.