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  • A 2.42-carat Australian sapphire is displayed on a textured surface, with the "Earth's Treasury" logo visible at the bottom center of the image.

    2.42-Carat Deep Blue-Olive Green Particolored Australian Sapphire (Heated)

    $5,500.00

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  • 1.65-Carat Yellow-Green Particolored Australian Sapphire (Heated)

    1.65-Carat Yellow-Green Particolored Australian Sapphire (Heated)

    $1,700.00

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  • A 1.21-carat Peacock Blue Montana Sapphire (heated) is shown on a textured gray surface, with "EARTH'S TREASURY" displayed at the bottom.

    1.21-Carat Peacock Blue Montana Sapphire (Heated)

    $1,995.00

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  • 1.22-Carat Peacock Blue Montana Sapphire (Heated)

    1.22-Carat Peacock Blue Montana Sapphire (Heated)

    $1,500.00

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  • A 1.26-carat teal blue heated Montana Sapphire is showcased on a textured gray surface, with "Earth's Treasury" displayed at the bottom.

    1.26-Carat Teal Blue Montana Sapphire (Heated)

    $2,200.00

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  • A 1.90-carat Medium Blue Montana Sapphire (heated) rests on a textured wooden surface, with "Earth's Treasury" branding below.

    1.90-Carat Medium Blue Montana Sapphire (Heated)

    $4,300.00

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  • 0.96-Carat Medium Blue Montana Sapphire (Heated)

    0.96-Carat Medium Blue Montana Sapphire (Heated)

    $950.00

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  • 1.06-Carat Rich Blue Montana Sapphire (Heated)

    1.06-Carat Rich Blue Montana Sapphire (Heated)

    $1,300.00

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  • 1.47-Carat Teal-Yellow Particolored Montana Sapphire (Heated)

    1.47-Carat Teal-Yellow Particolored Montana Sapphire (Heated)

    $1,800.00

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  • 1.70-Carat Deep Blue-Green and Yellow Particolored Montana Sapphire (Heated)

    1.70-Carat Deep Blue-Green and Yellow Particolored Montana Sapphire (Heated)

    $2,900.00

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  • A 2.30-carat Royal Blue Ceylon Sapphire (heated), expertly cut and polished, lies on a textured gray surface. The brand "Earth's Treasury" is visible at the bottom in black text.

    1.56-Carat Rich Blue Ceylon Sapphire (Heated)

    $3,900.00

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    Add to cartDone
  • 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 Ornate "Cattleya" ring in platinum with 1.49-carat Montana sapphireThe Ornate "Cattleya" ring in platinum with 1.49-carat Montana sapphire

    The Ornate “Cattleya” Ring

    $2,900.00

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  • The Wide "Larisa" ring in 14k white gold with 1.42-carat Montana sapphireThe Wide "Larisa" ring in 14k white gold with 1.42-carat Montana sapphire

    The Wide “Larisa” Solitaire

    $2,700.00

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  • The Deluxe Pave “Madeline” Hidden Halo Ring in 18k white gold with 2.72-Carat Montana SapphireThe Deluxe Pave “Madeline” Hidden Halo Ring in 18k white gold with 2.72-Carat Montana Sapphire

    The Deluxe Pave “Madeline” Hidden Halo Ring

    $3,000.00

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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 "Paloma" ring in 14k yellow gold with 1.85-carat Montana sapphireThe "Paloma" ring in 14k yellow gold with 1.85-carat Montana sapphire

    The “Paloma” Diamond-Accented Solitaire

    $1,800.00

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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 Low-Profile "Emma" ring in 14K rose gold with a 0.76-carat Montana sapphire is shown vertically on a green leaf, with "Earth's Treasury" displayed below.A 0.76-carat Montana sapphire Low-Profile "Emma" ring in 14K rose gold rests on a rough blue stone atop a patterned metallic surface. Below, "EARTH'S TREASURY" highlights the ring’s elegant solitaire design.

    The Low-Profile “Emma” Solitaire

    $2,200.00

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  • The "Milos" Ring in 14k yellow gold with 1.02-Carat Montana SapphireThe "Milos" Ring in 14k yellow gold with 1.02-Carat Montana Sapphire

    The “Milos” Solitaire

    $1,900.00

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  • The Straight Sappho in 14k yellow gold with 1.06-carat Montana sapphireThe Straight Sappho in 14k yellow gold with 1.06-carat Montana sapphire

    The Straight “Sappho” Cluster Ring

    $2,300.00

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  • The "Elaine" ring in 18k yellow gold with 1.64-carat Montana sapphireThe "Elaine" ring in 18k yellow gold with 1.64-carat Montana sapphire

    The “Elaine” Halo Ring

    $2,800.00

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  • The "Vivian" ring in platinum with 1.02-Carat Demantoid GarnetThe "Vivian" ring in platinum with 1.02-Carat Demantoid Garnet

    The “Vivian” Halo Ring

    $2,600.00

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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.