Montana Sapphire Octagon Ring
Description
The Octagon Montana Sapphire Ring | A One-of-a-Kind American Heirloom
If you’re looking for a ring that blends ancient history with a bold, geometric aesthetic, this Octagon Montana Sapphire is a standout. Forged deep within the earth 150 to 200 million years ago, these sapphires are a true American treasure. Ethically mined under the big skies of Montana, this stone is natural in color, meaning it hasn’t been treated—it is exactly as nature intended.
We love the balanced, structural feel of this cut-corner square cut. The octagon silhouette offers a sophisticated, vintage-meets-modern vibe, showcasing a deep blue hue with those signature flashes of teal. Set in a full bezel, the sapphire is framed in a smooth halo of metal that protects the stone and highlights its unique geometric shape, making it perfect for effortless, everyday wear.
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The Stone: A .76 carat Cut-Corner Square (Octagon) Montana Sapphire.
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The Color: A deep, rich blue with mesmerizing teal blue undertones.
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The Setting: A full bezel for a sleek, secure, and snag-free finish.
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The Origin: Ethically mined and natural (unheated), with exceptional clarity.
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The Fit: Currently a Size 7. This ring can be professionally resized up or down 2 sizes.
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The Vibe: Bold, timeless, and completely unique.
Why we love it: There is something so cool about the sharp, clean lines of an octagon cut paired with a full bezel setting. It feels substantial and deliberate—a true "forever" piece. The way the deep teal-blue shifts in the light makes it a perfect gift for a major milestone or a unique engagement choice. It’s a soulful piece built to be passed down through generations.
Care Tip from the Studio: To keep those geometric facets mirror-bright, we recommend a gentle clean with warm, soapy water and a soft-bristled brush every few weeks. This removes any buildup from daily life and ensures that deep blue-teal color pops every time the light hits it!
When will I receive my order?
In stock items ship within 1-3 business days.
Personalized pieces require an additional 1-3 days for processing/production
Shipping times are in addition to processing/production times.
Please note that during holidays, additional time may be required for production and shipping.
At Sarah Cornwell, we craft our jewelry with care and intention, using quality metals, gemstones and pearls designed for lasting beauty. Proper care will help your cherished pieces maintain their sparkle for years to come.
GENERAL CARE TIPS FOR ALL JEWELRY:
- Storage Matters: When not being worn, store your jewelry in a dry, air-tight container. A plastic bag is ideal for this purpose.
- Avoid Water Exposure: All jewelry is waterproof, but it’s not mineral or chemical proof. Minimize exposure to pools, saunas, and beaches. The minerals and chemicals in these environments can cause oxidation.
- Limit Contact with Products: It's best to avoid sunscreens, lotions, oils, soaps, shampoos, conditioners, body washes and perfumes. The chemical additives in these products can affect the metal's finish. It’s always best to remove your pieces if there is a possibility of coming into contact with any additives.
- Remove During Activity: To prevent damage, remove your jewelry before working out or sleeping.
- Handle with Care: Be mindful when handling your jewelry to avoid scratches or impacts.
For a more detailed review and tips on caring for specific metals, stones and pearls, please see our Jewelry Care Guide.
