Trillion

Showing 193–216 of 442 resultsSorted by latest

  • A blue Montana sapphire in our "Triptych" trillion design

    1.79-Carat Rich Blue Montana Sapphire (Heated)

    $4,000.00

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  • A Particolored Australian Sapphire in our "Triptych" trillion design

    0.94-Carat Green Australian Sapphire (Heated)

    $950.00

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  • 1.27-Carat Medium-Sky Blue Particolored Montana Sapphire (Heated)

    1.27-Carat Medium-Sky Blue Particolored Montana Sapphire (Heated)

    $1,800.00

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  • 1.47-Carat Sky Blue-Yellow Particolored Montana Sapphire (Heated)

    1.47-Carat Sky Blue-Yellow Particolored Montana Sapphire (Heated)

    $1,600.00

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  • 1.60-Carat Medium Blue Montana Sapphire (Heated)

    1.60-Carat Medium Blue Montana Sapphire (Heated)

    $3,600.00

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  • The “Elenin” Ring with 1.47-Carat Montana Sapphire (Heated)The “Elenin” Ring with 1.47-Carat Montana Sapphire (Heated)

    The “Elenin” Solitaire

    $1,700.00

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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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  • 1.37-Carat Deep Blue Montana Sapphire (Heated)

    1.37-Carat Deep Blue Montana Sapphire (Heated)

    $1,950.00

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  • A 1.25-Carat Light Aqua Blue Montana Sapphire, trillion-cut and faceted, is displayed on a textured surface with the "Earth's Treasury" logo and text beneath it.

    1.25-Carat Light Aqua Blue Montana Sapphire

    $3,200.00

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  • 1.28-Carat Midnight Blue-Green Australian Sapphire (Heated)

    1.28-Carat Midnight Blue-Green Australian Sapphire (Heated)

    $950.00

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  • An 18k yellow gold "Cassandra" ring featuring a 1.79-carat Montana sapphire, encircled by clear diamonds, showcased on a green leaf with the "EARTH'S TREASURY" logo at the bottom.The "Cassandra" ring in 18k yellow gold with a 1.79-carat Montana sapphire is displayed upright on a dark rough stone atop a textured gray surface, with the "Earth's Treasury" logo and text at the bottom.

    The “Cassandra” Halo Ring

    $2,700.00

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  • 1.08-Carat Deep Blue-Green and Green Particolored Australian Sapphire (Heated)

    1.08-Carat Deep Blue-Green and Green Particolored Australian Sapphire (Heated)

    $1,600.00

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

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

    $1,600.00

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  • 1.37-Carat Midnight Blue-Green Australian Sapphire (Heated)

    1.37-Carat Midnight Blue-Green Australian Sapphire (Heated)

    $900.00

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  • A 1.42-Carat Midnight Blue Australian Sapphire (Heated) with a faceted triangular shape is showcased on a textured gray surface, its deep color catching the light beautifully, with the Earth's Treasury logo featured at the bottom.

    1.42-Carat Midnight Blue Australian Sapphire (Heated)

    $1,400.00

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  • A 2.91-carat Khaki Green Australian Sapphire, with a multi-faceted triangular shape, rests on a textured light-gray surface. The text "EARTH'S TREASURY" is centered below the gemstone.

    1.72-Carat Dark Green Australian Sapphire (Heated)

    $1,500.00

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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.