Jewelry Grade
 Herkimer Diamonds


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Herkimer diamond crystals

double terminated Herkimers

Quartz crystal gemstones

Crystals pictured with a dime to show size comparison.
Pictured above are the 11.5 mm & 12 mm gems
Other Herks pictured below


Four B Grade Crystals

Length: 11.5-13.5 mm
Width: 8-10 mm 
Weight: 12.5 ct. total 

A group of jewelry grade Herkimer Diamond gemstones.
Sizes are:

  • 11.5x8.5x6.75 mm / 3.44 ct.
  • 12x8x6.5 mm / 3.3 ct.
  • 12.5x8.5x7 mm / 4.3 ct.
  • 13.5x10x8.5 mm / 5.75 ct.

Herkimer Diamonds have a hardness of 7.5 out of 10, giving the faceted diamonds strength and durability for any jewelry project. The brilliant clarity of these gemstones makes them both fun and elegant, suitable for casual or formal events.

Price: US$ 42.00
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Pictured below the 12.5 mm and 13.5 mm Herkimer Diamonds
Group of four crystals

Natural Herkimer crystals

Excellent clarity gemstones

Jewelry grade Herkimer Diamonds


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