6.0 mm

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  • A gold ring featuring a rectangular green gemstone from our ET Stock collection in 14K Yellow Gold is shown balanced atop a rough blue-green stone, with the Earth’s Treasury logo and text below. Ready to Ship.A gold ring showcasing a rectangular gemstone, expertly crafted in 14K Yellow Gold, sits atop a raw mineral on a textured metallic surface. "EARTH’S TREASURY" and a logo are featured at the bottom of the image. This ET Stock ring is ready to ship.

    Ready to Ship “Eiger” Ring in 14K Yellow Gold

    $3,850.00

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  • Stacked from 52 images. Method=B (R=1,S=3)" ring with a vertical green gemstone and a round white diamond rests on a rough blue-green stone; "Earth's Treasury" logo appears at the bottom.The “Stacked from 53 images. Method=B (R=1,S=3)” ring is shown in polished gold with a diamond, set atop a dark textured stone on a patterned surface. The "Earth's Treasury" logo and text are visible at the bottom.

    The “Flynn” Classic Sapphire Ring

    $5,200.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • A ring from "Stacked from 53 images. Method=B (R=9,S=4)" with a central blue gemstone and side stones is balanced on a rough blue crystal, shown above the text "Earth's Treasury.The "Stacked from 54 images. Method=B (R=9,S=4)" ring, featuring five diamonds and a central blue gemstone, is showcased resting on a rough blue mineral atop a textured gray surface.

    Ready to Ship “Sinai” Ring in Platinum

    $4,700.00

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  • A gold ring with an emerald-cut blue gemstone, named "Stacked from 47 images. Method=B (R=7,S=2)," is displayed balanced atop a raw blue stone against a textured metallic backdrop. Crafted in 14K yellow gold and Ready to Ship, the Earth’s Treasury logo appears at the bottom.Stacked from 49 images. Method=B (R=7,S=2) in 14K Yellow Gold, showcasing a rectangular blue gemstone resting on a rough stone atop a textured metallic surface. "Earth's Treasury" logo and text appear at the bottom. Ready to Ship for your convenience.

    Ready to Ship “Everest” Ring in 14K Yellow Gold

    $3,950.00

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  • The product "Stacked from 16 images. Method=B (R=10,S=7)" is showcased as a classic gold Sapphire Ring with a square-cut blue gemstone, standing on a rough blue stone atop a patterned silver surface marked "EARTH'S TREASURY.The product "Stacked from 16 images. Method=B (R=10,S=7)" is showcased as a classic gold Sapphire Ring with a square-cut blue gemstone, standing on a rough blue stone atop a patterned silver surface marked "EARTH'S TREASURY.

    The “Everest” Classic Sapphire Ring

    $3,900.00

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    Select optionsDone This product has multiple variants. The options may be chosen on the product page
  • A ring from "Stacked from 53 images. Method=B (R=9,S=4)" with a central blue gemstone and side stones is balanced on a rough blue crystal, shown above the text "Earth's Treasury.The "Stacked from 54 images. Method=B (R=9,S=4)" ring, featuring five diamonds and a central blue gemstone, is showcased resting on a rough blue mineral atop a textured gray surface.

    The “Sinai” Classic Sapphire Ring

    $4,300.00

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  • A Custom ring in 18k royal yellow gold with a 0.42-carat Montana sapphire is displayed on a rough blue-green mineral surface, with "Earth's Treasury" text below.A custom ring in 18k royal yellow gold featuring a 0.42-carat Montana sapphire rests on a rough dark mineral atop a textured gray surface.

    The “Matterhorn” Classic Sapphire Ring

    $5,200.00

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  • The Thin "Borealis" ring in 14k white gold, set with blue and teal gemstones, rests atop a rough blue crystal on a textured gray surface. The Earth's Treasury logo appears at the bottom.The Thin "Borealis" ring in 14k white gold, adorned with blue and white gemstones, is shown resting on a rough blue stone atop a textured metallic surface.

    The “Borealis” Ring

    $5,400.00

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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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  • The "Madeira" ring in platinum rests on a rough blue stone, set against a textured gray background with the text "EARTH'S TREASURY" below.The "Madeira" ring in platinum rests on a rough, dark stone atop a textured metallic surface, with "EARTH'S TREASURY" displayed at the bottom.

    The “Madeira” Ring

    $3,500.00

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  • The "Odin" ring in platinumThe "Odin" ring in platinum

    The “Odin” Ring

    $4,000.00

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  • The "Rainier" ring in 14K white gold, 6.0mmThe "Rainier" ring in 14K white gold, 6.0mm

    The “Rainier” Ring

    $2,800.00

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  • The "Kinabalu" Ring in 14k yellow goldThe "Kinabalu" Ring in 14k yellow gold

    The “Kinabalu” Ring

    $2,800.00

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  • The Classic Wedding Band, Standard Fit 2mm, 3mm, 5mm, 7mm and 9mmA Classic Band, Comfort Fit in 14K yellow gold (5.0mm wide), rests on a rough blue-green stone atop a textured gray surface with the "Earth's Treasury" logo below.

    The Classic Band, Comfort Fit

    $690.00

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  • The Classic Wedding Band, Standard Fit 2mm, 3mm, 5mm, 7mm and 9mmThe Classic Wedding Band, Standard Fit

    The Classic Band, Standard Fit

    $525.00

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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.