Blue

Showing 745–768 of 1187 resultsSorted by latest

  • A hexagonal blue gemstone, a 1.05-carat Ceylon sapphire (heated), rests on a textured surface. The words "Earth's Treasury" are visible at the bottom of the image.

    1.05-Carat Royal Blue Ceylon Sapphire (Heated)

    $2,100.00

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  • 1.10-Carat Rich Blue Ceylon Sapphire (Heated)

    1.10-Carat Rich Blue Ceylon Sapphire (Heated)

    $2,500.00

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  • 1.28-Carat Rich Blue Ceylon Sapphire (Heated)

    1.28-Carat Rich Blue Ceylon Sapphire (Heated)

    $2,900.00

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  • 1.79-Carat Rich Cornflower Blue Ceylon Sapphire (Heated)

    1.79-Carat Rich Cornflower Blue Ceylon Sapphire (Heated)

    $4,500.00

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  • 1.15-Carat Blue-Lavender Particolored Montana Sapphire (Heated)

    1.15-Carat Blue-Lavender Particolored Montana Sapphire (Heated)

    $1,350.00

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  • 1.27-Carat Rich Blue Montana Sapphire (Heated)

    1.27-Carat Rich Blue Montana Sapphire (Heated)

    $1,900.00

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  • 1.33-Carat Medium Blue Montana Sapphire (Heated)

    1.33-Carat Medium Blue Montana Sapphire (Heated)

    $1,600.00

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  • 1.09-Carat Medium Blue Montana Sapphire (Heated)

    1.09-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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  • A round MS7403 gemstone in blue, positioned on a textured surface.

    1.56-Carat Medium Blue Montana Sapphire (Heated)

    $1,800.00

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  • 0.84-Carat Sky Blue Montana Sapphire (Heated)

    0.84-Carat Sky Blue Montana Sapphire (Heated)

    $850.00

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  • A 0.84-carat heated Montana Sapphire, round brilliant-cut, displayed on a textured metallic surface with "EARTH'S TREASURY" at the bottom.

    0.84-Carat Medium Blue Montana Sapphire (Heated)

    $800.00

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  • 0.88-Carat Medium Blue Montana Sapphire (Heated)

    0.88-Carat Medium Blue Montana Sapphire (Heated)

    $700.00

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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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  • 5.73-Carat Cornflower Blue Ceylon Sapphire (Heated)

    5.74-Carat Cornflower Blue Ceylon Sapphire (Heated)

    $19,500.00

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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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  • Sale! The Thin "Borealis" ring in 14k rose gold, featuring blue and teal gemstones, is displayed balanced on a rough blue-green mineral atop a textured metallic surface.The Thin "Borealis" ring in 14k rose gold, featuring teal sapphire and white gemstones, rests on a rough blue crystal atop a textured surface, with "EARTH'S TREASURY" below.

    Ready to Ship Thin “Borealis” Ring in Teal Sapphire (Heated)- Rose Gold

    Original price was: $5,400.00.Current price is: $4,200.00.

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  • Sale! The Wide Borealis Ring in 18k white gold with Heated Montana SapphiresThe Wide Borealis Ring in 18k white gold with Heated Montana Sapphires

    Ready to Ship Wide “Borealis” Ring in Sunset Sapphire (Heated)

    Original price was: $7,700.00.Current price is: $6,200.00.

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  • Sale! The Wide Borealis Ring in 18k white gold with Unheated Montana SapphiresThe Wide Borealis Ring in 18k white gold with Unheated Montana Sapphires

    Ready to Ship Wide “Borealis” Ring in Blue-Violet Sapphire

    Original price was: $7,900.00.Current price is: $6,400.00.

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  • A blue Montana sapphire in our "Aurora" square cushion design

    1.28-Carat Medium Blue Montana Sapphire (Heated)

    $1,200.00

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  • A blue Montana sapphire in our "Testudo" oval design

    1.01-Carat Deep Blue Montana Sapphire (Heated)

    $900.00

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  • A sky blue Montana sapphire in our "Stella" square cushion design

    0.81-Carat Sky Blue Montana Sapphire (Heated)

    $800.00

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    Add to cartDone
  • A blue Montana sapphire in a classic diamond round brilliant design

    1.04-Carat Medium Blue Montana Sapphire (Heated)

    $1,250.00

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    Add to cartDone

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.