Jeffrey R. Hapeman

Showing 1993–2016 of 2879 resultsSorted by latest

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

    1.40-Carat Sky Blue Montana Sapphire (Heated)

    $1,900.00

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  • 4.76-Carat Deep Blue-Green Montana Sapphire (Heated)

    4.76-Carat Deep Blue-Green Montana Sapphire (Heated)

    $14,300.00

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  • 2.96-Carat Midnight Blue Montana Sapphire (Heated)

    2.96-Carat Midnight Blue Montana Sapphire (Heated)

    $1,700.00

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  • A blue Montana sapphire in a classic emerald cut

    0.56-Carat Medium Blue Montana Sapphire

    $600.00

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  • 1.22-Carat Colorless Montana Sapphire

    1.22-Carat Colorless Montana Sapphire

    $1,900.00

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  • A particolored Montana sapphire in a classic diamond round brilliant design

    0.84-Carat Aqua-Yellow Particolored Montana Sapphire

    $800.00

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  • A gray Montana sapphire in our "Eureka" rectangle design

    0.82-Carat Gray Montana Sapphire

    $700.00

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  • 5.67-Carat Mint Green Montana Sapphire

    5.68-Carat Mint Green Montana Sapphire

    $25,500.00

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  • A particolored Montana sapphire in our "Hyperbola" oval design

    0.92-Carat Sky Blue Montana Sapphire

    $1,300.00

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  • A yellow Montana sapphire in our "Hyperbola" oval design

    0.72-Carat Pale Yellow Montana Sapphire

    $700.00

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  • A pink Montana sapphire in our "Hyperbola" oval design

    0.72-Carat Light Pink Montana Sapphire

    $700.00

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

    0.74-Carat Aqua Blue Montana Sapphire

    $750.00

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

    0.71-Carat Medium Blue Montana Sapphire

    $900.00

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  • A blue-green Montana sapphire in our "Helena" oval design

    0.79-Carat Light Aqua Blue Montana Sapphire

    $950.00

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  • A white Montana sapphire in our "Serendipity" oval design

    0.70-Carat Near Colorless Montana Sapphire

    $700.00

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  • A white Montana sapphire in our "Serendipity" oval design

    0.72-Carat Colorless Montana Sapphire

    $700.00

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    Add to cartDone
  • A blue-green Montana sapphire in our "Serendipity" oval design

    0.96-Carat Teal Blue Montana Sapphire

    $1,200.00

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  • 2.29-Carat Pink Tourmaline

    2.29-Carat Pink Tourmaline

    $900.00

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  • 2.68-Carat Pink Ombre California Tourmaline

    2.68-Carat Pink Ombre California Tourmaline

    $800.00

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  • 4.38-Carat Deep Raspberry Red California Tourmaline

    4.38-Carat Deep Raspberry Red California Tourmaline

    $1,750.00

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  • A 1.35-carat mint garnet, cut in a square shape and featuring a pale green hue, is displayed on a textured surface with the words "Earth's Treasury" visible beneath it.

    1.35-Carat Pale Green Merelani Mint Garnet

    $675.00

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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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  • A particolored Australian Sapphire in our "Stella" square cushion design

    1.51-Carat Teal-Green Particolored Australian Sapphire (Heated)

    $2,550.00

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  • A blue Australian Sapphire in our "Stella" square cushion design

    0.89-Carat Near Black Australian Sapphire (Heated)

    $800.00

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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.