H = Heating

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  • A 1.35-carat blue-green faceted Montana sapphire (heated) is showcased on a textured gray surface, with "EARTH'S TREASURY" text beneath it.

    1.35-Carat Aqua Blue Montana Sapphire (Heated)

    $2,700.00

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  • 1.67-carat step-cut blue-green Montana sapphire (heated) displayed on textured gray surface; "Earth's Treasury" logo at the bottom.

    1.67-Carat Teal Montana Sapphire (Heated)

    $3,200.00

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  • Montana Sapphire Diamond Halo Earrings (Rich Blue, 5.0 mm, Heated) with round sapphires encircled by sparkling diamonds, displayed on a textured surface featuring the "Earth's Treasury" logo.Montana Sapphire Diamond Halo Earrings (Rich Blue, 5.0 mm, Heated) with round sapphires encircled by sparkling diamonds, displayed on a textured surface featuring the "Earth's Treasury" logo.

    Montana Sapphire Diamond Halo Earrings, Rich Blue 5.0 mm (Heated)

    $2,600.00

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  • A pair of 5.25mm light aqua Montana sapphire stud earrings (heated) set in silver, displayed on a rough blue-green stone with the "Earth's Treasury" logo at the bottom.Close-up of a person’s ear wearing a round, aqua blue "5.25 aqua blue" earring. The “Earth's Treasury” logo appears at the bottom of the image.

    Montana Sapphire Earrings- Aqua Blue, 5.25mm (Heated)

    $2,100.00

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  • A pair of Montana Sapphire Earrings—medium blue, 5.25mm (heated), set in silver—displayed on a blue-green stone with the Earth’s Treasury logo below.A pair of Montana Sapphire Earrings—medium blue, 5.25mm (heated), set in silver—displayed on a blue-green stone with the Earth’s Treasury logo below.

    Montana Sapphire Earrings- Medium Blue, 5.25mm (Heated)

    $2,100.00

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  • A pair of Montana Sapphire Earrings-Aqua, 5.25mm (Heated), featuring round-cut blue-green gemstones in silver settings, with one earring displayed on a rough sapphire piece.A pair of Montana Sapphire Earrings-Aqua, 5.25mm (Heated), featuring round-cut blue-green gemstones in silver settings, with one earring displayed on a rough sapphire piece.

    Montana Sapphire Earrings- Aqua Blue, 5.25mm (Heated)

    $2,100.00

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  • Montana Sapphire Earrings- Teal, 5.25mm (Heated) are shown in silver settings, with one earring placed on a rough blue stone and both displayed on a textured gray surface.Montana Sapphire Earrings- Teal, 5.25mm (Heated) are shown in silver settings, with one earring placed on a rough blue stone and both displayed on a textured gray surface.

    Montana Sapphire Earrings- Teal, 5.25mm (Heated)

    $2,100.00

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  • A pair of Montana Sapphire Earrings—teal blue, 5.25mm (heated)—in silver settings, with one earring resting on a rough blue crystal atop a textured gray surface.Close-up of a person's ear wearing a 5.25 teal heated Montana Sapphire earring; part of their brown hair is visible. Earth's Treasury logo appears at the bottom.

    Montana Sapphire Earrings- Teal Blue, 5.25mm (Heated)

    $2,100.00

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  • A pair of Montana Sapphire Earrings- Teal, 5.25mm (Heated) stud earrings rests on a rough blue stone, with Earth's Treasury logo at the bottom.A pair of Montana Sapphire Earrings- Teal, 5.25mm (Heated) stud earrings rests on a rough blue stone, with Earth's Treasury logo at the bottom.

    Montana Sapphire Earrings- Teal, 5.25mm (Heated)

    $2,100.00

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  • A pair of Montana Sapphire Earrings in teal blue (5.25mm, heated) are displayed next to a rough blue gem on a textured surface, with the “Earth’s Treasury” logo at the bottom.A pair of Montana Sapphire Earrings in teal blue (5.25mm, heated) are displayed next to a rough blue gem on a textured surface, with the “Earth’s Treasury” logo at the bottom.

    Montana Sapphire Earrings- Teal Blue, 5.25mm (Heated)

    $2,100.00

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    Add to cartDone
  • A pair of Montana Sapphire Earrings- Teal, 6.0mm (Heated) are shown in silver settings, with one earring resting on a rough blue stone and the Earth's Treasury logo displayed at the bottom.A pair of Montana Sapphire Earrings- Teal, 6.0mm (Heated) are shown in silver settings, with one earring resting on a rough blue stone and the Earth's Treasury logo displayed at the bottom.

    Montana Sapphire Earrings- Teal, 6.0mm (Heated)

    $3,800.00

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  • Montana Sapphire Earrings–Teal Blue, 6.0mm (Heated) in silver settings are displayed beside a rough blue stone on a textured surface. "Earth's Treasury" logo appears at the bottom.Close-up of a person's ear wearing a round teal blue 6.0 teal earring; "Earth's Treasury" logo appears at the bottom of the image.

    Montana Sapphire Earrings- Teal Blue, 6.0mm (Heated)

    $3,450.00

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  • A pair of Montana Sapphire Earrings—rich blue, 6.4mm (heated)—in silver settings displayed on a textured surface, with one earring resting on a rough blue stone.A pair of Montana Sapphire Earrings—rich blue, 6.4mm (heated)—in silver settings displayed on a textured surface, with one earring resting on a rough blue stone.

    Montana Sapphire Earrings- Rich Blue, 6.4mm (Heated)

    $6,500.00

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  • Montana Sapphire Earrings in deep peacock blue (6.5mm, heated) feature round gemstones in silver settings, displayed on a textured gray surface with one earring resting on a blue stone.Montana Sapphire Earrings in deep peacock blue (6.5mm, heated) feature round gemstones in silver settings, displayed on a textured gray surface with one earring resting on a blue stone.

    Montana Sapphire Earrings- Deep Peacock Blue, 6.5mm (Heated)

    $7,100.00

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  • A pair of Montana Sapphire Earrings- Peacock Blue, 6.5mm (Heated), in silver settings beside a rough blue sapphire on a textured gray surface. Earth’s Treasury logo appears at the bottom.A pair of Montana Sapphire Earrings- Peacock Blue, 6.5mm (Heated), in silver settings beside a rough blue sapphire on a textured gray surface. Earth’s Treasury logo appears at the bottom.

    Montana Sapphire Earrings- Peacock Blue, 6.5mm (Heated)

    $6,400.00

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  • A 0.84-Carat Montana Sapphire (Heated) with a brilliant cut shines blue on a textured light gray surface, with "EARTH'S TREASURY" displayed below.

    0.84-Carat Teal Blue Montana Sapphire (Heated)

    $950.00

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  • A 0.92-carat heated Montana sapphire, round and faceted with a pale yellow-green hue, is shown on a textured surface with "EARTH'S TREASURY" at the bottom.

    0.92-Carat Yellow-Green Particolored Montana Sapphire (Heated)

    $900.00

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  • A round, faceted 0.96-carat heated Montana sapphire is shown on a light, textured surface with "EARTH'S TREASURY" displayed below it.

    0.96-Carat Teal Blue Montana Sapphire (Heated)

    $1,200.00

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  • A 1.27-carat heated Montana sapphire with a round brilliant cut is displayed on a light textured surface, featuring the "Earth's Treasury" logo at the bottom.

    1.27-Carat Deep Peacock Blue Montana Sapphire (Heated)

    $1,900.00

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  • A rectangular, deep blue and teal 0.91-carat heated Montana sapphire rests on a textured gray surface with "EARTH'S TREASURY" below.

    0.91-Carat Deep Peacock-Yellow Particolored Montana Sapphire (Heated)

    $1,150.00

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  • A rectangular, pale yellow-green 1.02-carat heated Montana sapphire rests on a textured gray surface, with "EARTH'S TREASURY" below.

    1.02-Carat Pale Yellow-Green Montana Sapphire (Heated)

    $1,800.00

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  • A 1.08-carat heated Montana sapphire, cut in a blue rectangular shape with intricate facets, is displayed on a light textured surface. The "Earth’s Treasury" logo is shown at the bottom.

    1.08-Carat Aqua-Blue Particolored Montana Sapphire (Heated)

    $1,900.00

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  • A 0.81-carat heated Montana sapphire with a rich blue hue rests on a textured light gray surface, featuring the "EARTH'S TREASURY" text and a hexagon logo at the bottom.

    0.81-Carat Medium Blue Montana Sapphire (Heated)

    $850.00

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  • A round, faceted pale green 0.83-carat Montana Sapphire (Heated) rests on a textured gray surface, with "Earth's Treasury" displayed at the bottom.

    0.83-Carat Light Yellow-Green Particolored Montana Sapphire (Heated)

    $850.00

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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.