Description
Grey AAA Herkimer Octagon | Natural Herkimer Diamond Quartz
Exceptional Clarity • Rare Octagon Cut • Direct From the Source
This 10 mm AAA Herkimer octagon loose gemstone is a true showstopper, celebrated for its extraordinary clarity, brilliant sparkle, and rare precision cut. Measuring 10 mm and weighing 4.00 carats, this 100% natural Herkimer diamond quartz features eye-clean clarity and exceptional color dispersion that dances beautifully in natural light. Rare grey tone makes this gem a one of a kind!
Its unique octagon cut is both timeless and versatile, making it a perfect fit for antique, vintage, or contemporary jewelry designs. Whether worn as a statement piece or set into a custom creation, this gemstone offers a refined brilliance that rivals traditional diamonds.
Gemstone Details
- Gemstone: Natural Herkimer Diamond Quartz
- Cut: Octagon
- Size: 10 mm
- Weight: 4carats
- Quality: AAA
- Clarity: Eye clean grey tone
- Origin: Herkimer County, New York
- Item Number: L537
Each gemstone is mined directly by us from our property in upstate New York and comes with a certificate of authenticity included with purchase.
Custom Jewelry Options
This Herkimer octagon gem may be purchased loose or custom set into the jewelry design of your dreams. We specialize in handcrafted settings using:
- Gold
- Sterling Silver
- Platinum
Prefer a one-of-a-kind piece? Contact us to create a custom design tailored specifically to this gemstone.
See This Herkimer Gem in Natural Light
https://www.instagram.com/p/Dc1si3GyV0X/?hl=en
Watch a video of this gemstone in natural lighting to fully appreciate its clarity and brilliance.
Why Choose Conflict-Free Herkimer Jewelry?
What could be better than a natural diamond alternative at a fraction of the cost?
Our earth-friendly Herkimer diamonds are ethically sourced from our own property in upstate New York. As a small, independent operation, we are committed to responsible mining practices, fair wages, and zero child labor. Every Herkimer we offer is guaranteed to be a true Herkimer diamond, mined directly at the source.
Metaphysical Properties of Herkimer Diamonds 
Herkimer diamonds are known as powerful ascension and attunement stones. Metaphysically, they are believed to elevate spiritual awareness while keeping the wearer fully grounded in the physical body.
These crystals are said to:
- Amplify energy and intention
- Enhance clarity, spontaneity, and awareness
- Purify the energy field
- Support meditation, dreamwork, and spiritual connection
Often described as the manifestation of pure, solidified spiritual light, Herkimer diamonds emit one of the highest vibrational frequencies in the crystal world.
History and Lore of Herkimer Diamonds
Herkimer diamonds are famed for their diamond-like brilliance, sparkling vividly in natural light. Known as the “attunement stone,” they are believed to help one simply be, fostering harmony, balance, and heightened awareness.
Many believe Herkimer diamonds attract angelic energy, creating a sense of bliss, clarity, and spiritual upliftment. Their naturally double-terminated structure allows energy to flow freely, making them especially prized by collectors and healers alike.
About Herkimer Diamonds
Herkimer diamonds are double-terminated quartz crystals found exclusively in Herkimer County, New York. Remarkably, these natural gemstones are nearly 500 million years old and appear as though they were precision-cut by hand — despite being entirely natural.
While not true diamonds, Herkimer diamonds possess exceptional hardness, ranking around 7.5 on the Mohs scale, harder than most quartz and remarkably durable for everyday wear. Their natural geometry and brilliance have led many collectors to consider them a worthy rival to traditional diamonds.
Explore More Herkimer Loose Stones
Browse our collection of 9 mm AAA Herkimer octagon loose gems and our full line of natural Herkimer diamonds.
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