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  • 2.46-Carat Rich Blue Montana Sapphire (Heated)

    2.46-Carat Rich Blue Montana Sapphire (Heated)

    $6,150.00

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  • 1.95-Carat Medium Blue Montana Sapphire (Heated)

    1.95-Carat Medium Blue Montana Sapphire (Heated)

    $3,400.00

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  • A 14K yellow gold "Arwyn" ring with a 0.95-carat Montana sapphire center, accented by clustered white diamonds, is displayed on a green leaf. "EARTH'S TREASURY" appears at the bottom.The Estes, Kayley and Nore, Caroline 1 ring features an intricate gold trellis cluster design around a dark gemstone, displayed upright on a textured gray surface with "EARTH'S TREASURY" at the bottom.

    The “Arwyn” Trellis Cluster Ring

    $2,200.00

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  • The "Estelle" ring in 14k white gold with 1.11-Carat Umba sapphireThe "Estelle" ring in 14k white gold with 1.11-Carat Umba sapphire

    The “Estelle” Cluster Ring

    $2,600.00

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  • The "Halia" ring in 14k white gold with 1.31-carat Montana sapphireThe "Halia" ring in 14k white gold with 1.31-carat Montana sapphire

    The Deluxe Pave “Halia” Ring

    $2,600.00

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  • The “Paeonia” Ring features a 1.68-carat round Montana Sapphire in platinum, inspired by the Paeonia flower and accented with marquise and round clear stones, displayed on a green and white leaf with The Earth's Treasury logo below.The "Stacked from 54 images. Method=B (R=1,S=4)" ring, featuring a striking blue gemstone and sparkling diamonds, stands upright on a rough blue stone against a textured background, radiating refined Paeonia elegance.

    The “Paeonia” Halo Ring

    $3,400.00

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  • The “Melanie” ring in 18k yellow gold features a 1.53-carat Australian sapphire center, accented with four diamonds on the band. Shown vertically on green with the Earth's Treasury logo below, it’s a striking choice for any occasion.A solitaire ring is displayed upright on a rough blue crystal atop a patterned metallic surface. The "EARTH'S TREASURY" logo appears below, highlighting the elegant Stacked from 56 images. Method=B (R=8,S=4) solitaire.

    The “Melanie” Diamond-Accented Solitaire

    $2,500.00

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  • The "Juno" ring, crafted in 14k yellow gold and featuring a 1.54-carat Montana sapphire, is elegantly displayed on a green leaf with its diamond-accented details.The "Juno" ring in 14k yellow gold, featuring a large 1.54-carat Montana sapphire solitaire gemstone at its center, rests on a textured metallic surface.

    The “Juno” Diamond-Accented Solitaire

    $2,800.00

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  • The "Marina" ring in platinum with 1.79-carat Montana sapphireThe "Marina" ring in platinum with 1.79-carat Montana sapphire

    The Deluxe Pave “Marina” Hidden Halo Ring

    $2,900.00

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  • The Milgrain "Clarice" ring in 14K yellow gold with 1.69-carat Australian sapphireThe Milgrain "Clarice" ring in 14K yellow gold with 1.69-carat Australian sapphire

    The Milgrain “Clarice” Solitaire

    $1,700.00

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  • A platinum Cathedral "Lyra" ring featuring a 1.44-carat Montana sapphire is displayed on a green and white leaf, with the "Earth's Treasury" logo at the bottom.The Cathedral "Lyra" ring in platinum with a 1.44-carat Montana sapphire rests atop a rough blue stone on a textured gray surface, with "Earth's Treasury" labeled at the bottom.

    The Cathedral “Lyra” Solitaire

    $1,700.00

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  • 1.41-Carat Golden Yellow Montana Sapphire (Heated)

    1.41-Carat Golden Yellow Montana Sapphire (Heated)

    $1,400.00

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  • A 1.36-carat heated teal blue Montana Sapphire is displayed on a textured gray surface, with "EARTH'S TREASURY" written below.

    1.36-Carat Teal Blue Montana Sapphire (Heated)

    $2,350.00

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  • A 1.93-carat rich blue Montana Sapphire (heated), round and faceted, is displayed on a textured gray surface with "EARTH'S TREASURY" and a hexagonal logo beneath the stone.

    1.93-Carat Rich Blue Montana Sapphire (Heated)

    $3,900.00

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  • 1.24-Carat Orange-Yellow Particolored Montana Sapphire (Heated)

    1.24-Carat Orange-Yellow Particolored Montana Sapphire (Heated)

    $1,500.00

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  • 1.35-Carat Rich Blue-Yellow Particolored Montana Sapphire (Heated)

    1.35-Carat Rich Blue-Yellow Particolored Montana Sapphire (Heated)

    $2,350.00

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  • 1.00-Carat Light Yellow Montana Sapphire (Heated)

    1.00-Carat Light Yellow Montana Sapphire (Heated)

    $900.00

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  • 1.23-Carat Teal Blue Montana Sapphire (Heated)

    1.23-Carat Teal Blue Montana Sapphire (Heated)

    $1,800.00

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  • 1.25-Carat Light Sky Blue Montana Sapphire (Heated)

    1.25-Carat Light Sky Blue Montana Sapphire (Heated)

    $1,800.00

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  • 1.29-Carat Blue-Teal Particolored Montana Sapphire (Heated)

    1.29-Carat Blue-Teal Particolored Montana Sapphire (Heated)

    $1,300.00

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  • 1.46-Carat Golden Yellow Montana Sapphire (Heated)

    1.46-Carat Golden Yellow Montana Sapphire (Heated)

    $1,600.00

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  • 0.72-Carat Golden Yellow Montana Sapphire (Heated)

    0.72-Carat Golden Yellow Montana Sapphire (Heated)

    $700.00

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  • 1.31-Carat Medium Blue Montana Sapphire (Heated)

    1.31-Carat Medium Blue Montana Sapphire (Heated)

    $1,500.00

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  • 1.59-Carat Medium Blue Montana Sapphire (Heated)

    1.59-Carat Medium Blue Montana Sapphire (Heated)

    $3,200.00

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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.