Description
AAA Large 13-Carat Herkimer Diamond Gemstone – 15mm Bright White Quartz
A Rare, Brilliant Herkimer Gemstone from New York
Discover the exceptional beauty of this AAA-quality Herkimer diamond gemstone, a stunning 13-carat natural quartz gem prized for its bright white brilliance, remarkable clarity, and captivating flashes of rainbow color.
Item ID: L544
Measuring an impressive 15 mm, this eye-clean gemstone offers beautiful light reflection and a brilliant sparkle that comes alive in natural sunlight. Carefully hand-faceted to enhance its natural beauty, this bright white Herkimer gemstone makes a striking centerpiece for a custom jewelry design or a memorable addition to a fine mineral collection.
This listing includes the exact gemstone shown in the photographs, set in a simple sterling silver pendant and paired with a 17-inch chain. It’s ready to wear or enjoy as a unique piece of jewelry inspired by the natural beauty of Upstate New York.
Gemstone Details
- Gemstone: Natural Herkimer quartz, commonly known as a Herkimer diamond
- Item Number: L544
- Gemstone Weight: 13 carats
- Gemstone Size: 15 mm
- Clarity: AAA, eye-clean with no visible inclusions
- Color: Bright white
- Cut: Hand-faceted
- Origin: Herkimer County, New York, USA
- Included: The exact gemstone pictured, pendant setting, and chain
A Brilliant Natural Alternative to Traditional Diamonds
Herkimer diamonds are naturally occurring quartz crystals celebrated for their exceptional sparkle and distinctive geological origins. Although they are not true diamonds, their brilliant appearance and natural beauty make them a distinctive alternative for anyone who appreciates unusual gemstones.
This impressive 13-carat gem combines substantial size with eye-clean clarity, creating a beautiful focal point for jewelry. Its bright white appearance complements a variety of styles, from understated everyday elegance to more elaborate custom designs.
Whether you’re drawn to its brilliance, searching for a distinctive gemstone gift, or looking for a special piece to wear and treasure, this Herkimer gemstone offers a beautiful connection to the natural world.
Custom Jewelry Designs
Would you prefer this gemstone in a setting?
We offer custom jewelry options in sterling silver, yellow gold, white gold, and platinum, allowing you to create a piece that reflects your personal style.
Contact us to discuss a custom design featuring this exceptional Herkimer gemstone.
Please contact us for a custom jewelry quote, as pricing varies by metal and design.
Responsibly Sourced from Upstate New York
Our Herkimer gemstones come from our own mining operations on private land in Upstate New York.
We believe in connecting customers with natural gemstones while maintaining a personal connection to their origins. By sourcing directly from our mining operations, we can offer distinctive specimens with a traceable origin.
Our approach emphasizes responsible sourcing, fair labor, and jewelry made without the conflict and child labor associated with some gemstone supply chains.
When you purchase from us, you’re supporting a small business with a direct connection to the land where these remarkable crystals are found.
The History and Metaphysical Lore of Herkimer Diamonds
Herkimer diamonds have fascinated crystal collectors and spiritual enthusiasts for generations. In metaphysical traditions, these clear quartz crystals are often associated with clarity, heightened awareness, and spiritual growth.
They are traditionally believed to support:
- Mental clarity: Encouraging focus and a clearer perspective.
- Energy cleansing: Symbolizing renewal and balance.
- Spiritual awareness: Associated with meditation and personal growth.
- Dream work: Traditionally connected with lucid dreaming and dream recall.
These associations are part of crystal folklore and spiritual traditions rather than scientifically established effects.
With its impressive size and bright, clear appearance, this gemstone can be a meaningful personal talisman or a thoughtful gift for someone who appreciates the symbolism of natural crystals.
What Makes Herkimer Diamonds Special?
Herkimer diamonds are distinctive quartz crystals found in Herkimer County and surrounding areas of New York. They formed in ancient geological environments approximately 300 million years ago.
Unlike mined diamonds, which are composed of carbon, Herkimer diamonds are made of silicon dioxide, the mineral that forms quartz. Their name comes from their natural brilliance and characteristic crystal formations.
Quartz has a Mohs hardness of 7, making it suitable for many jewelry applications when properly set and cared for. However, like other gemstones, quartz can chip or scratch under certain conditions, so we recommend removing your pendant before strenuous activities.
Each Herkimer gemstone offers its own natural character, making these crystals treasured by collectors, jewelry designers, and gemstone enthusiasts.
Explore More Herkimer Gemstones
Looking for another size, shape, or style?
Explore our collection of natural Herkimer diamonds, loose gemstones, and handcrafted jewelry to discover more treasures from Upstate New York.
Explore our Herkimer gemstone collection and find a piece of natural beauty to call your own.












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