Herkimer Diamond Quartz Crystals

Updated 6/15/2020 - New Crystals are here!

Herkimer Diamond Quartz Crystals | Buy Direct from the source right here in central NY, USA. Featuring Herkimer Diamonds from Middleville / Herkimer, Little Falls & St. Johnsville areas, at the most competitive prices online. Herks are harder than normal Quartz at 7.5 and are some of the most optical clear Quartz in the world.

Size / Measurement References : 5 carats (cts) = 1 Gram (g)  25.5mm = 1" (inch)

  • Herkimer Diamond Quartz Crystal 132 g 69x49mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 132 g 69x49mm - InnerVision Crystals
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    Original Price $110.00 USD
    Current Price $55.00 USD

    Herkimer Diamond Quartz Crystal 132 g 69x49mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

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    Original Price $110.00 USD
    Current Price $55.00 USD
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  • Herkimer Diamond Quartz Crystal 122 g 68x48mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 122 g 68x48mm - InnerVision Crystals
    Sold out
    Original Price $110.00 USD
    Current Price $55.00 USD

    Herkimer Diamond Quartz Crystal 122 g 68x48mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $110.00 USD
    Current Price $55.00 USD
    Sold out
  • Herkimer Diamond Quartz Crystal 146 g 70x54mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 146 g 70x54mm - InnerVision Crystals
    Sold out
    Original Price $110.00 USD
    Current Price $55.00 USD

    Herkimer Diamond Quartz Crystal 146 g 70x54mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $110.00 USD
    Current Price $55.00 USD
    Sold out
  • Herkimer Diamond Quartz Crystal 131 g 72x45mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 131 g 72x45mm - InnerVision Crystals
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    Original Price $115.00 USD
    Current Price $57.50 USD

    Herkimer Diamond Quartz Crystal 131 g 72x45mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $115.00 USD
    Current Price $57.50 USD
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  • Herkimer Diamond Quartz Crystal 223 g 72x60mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 223 g 72x60mm - InnerVision Crystals
    Save 50%
    Original Price $120.00 USD
    Current Price $60.00 USD

    Herkimer Diamond Quartz Crystal 223 g 72x60mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $120.00 USD
    Current Price $60.00 USD
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  • Herkimer Diamond Quartz Crystal 85 g 59x37mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 85 g 59x37mm - InnerVision Crystals
    Save 50%
    Original Price $125.00 USD
    Current Price $62.50 USD

    Herkimer Diamond Quartz Crystal 85 g 59x37mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $125.00 USD
    Current Price $62.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 155 g 67x55mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 155 g 67x55mm - InnerVision Crystals
    Save 50%
    Original Price $125.00 USD
    Current Price $62.50 USD

    Herkimer Diamond Quartz Crystal 155 g 67x55mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $125.00 USD
    Current Price $62.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 188 g 86x49mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 188 g 86x49mm - InnerVision Crystals
    Save 50%
    Original Price $125.00 USD
    Current Price $62.50 USD

    Herkimer Diamond Quartz Crystal 188 g 86x49mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $125.00 USD
    Current Price $62.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 217 g 72x67mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 217 g 72x67mm - InnerVision Crystals
    Save 50%
    Original Price $125.00 USD
    Current Price $62.50 USD

    Herkimer Diamond Quartz Crystal 217 g 72x67mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $125.00 USD
    Current Price $62.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 146 g 64x58mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 146 g 64x58mm - InnerVision Crystals
    Save 50%
    Original Price $125.00 USD
    Current Price $62.50 USD

    Herkimer Diamond Quartz Crystal 146 g 64x58mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $125.00 USD
    Current Price $62.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 220 g 85x55mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 220 g 85x55mm - InnerVision Crystals
    Save 50%
    Original Price $130.00 USD
    Current Price $65.00 USD

    Herkimer Diamond Quartz Crystal 220 g 85x55mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $130.00 USD
    Current Price $65.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 60 g 53x41mm Skeletal - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 60 g 53x41mm Skeletal - InnerVision Crystals
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    Original Price $140.00 USD
    Current Price $70.00 USD

    Herkimer Diamond Quartz Crystal 60 g 53x41mm Skeletal

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $140.00 USD
    Current Price $70.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 96 g 58x50mm w/ Carbon - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 96 g 58x50mm w/ Carbon - InnerVision Crystals
    Sold out
    Original Price $140.00 USD
    Current Price $70.00 USD

    Herkimer Diamond Quartz Crystal 96 g 58x50mm w/ Carbon

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $140.00 USD
    Current Price $70.00 USD
    Sold out
  • Herkimer Diamond Quartz Crystal 14.05 ct 18x13mm A+ - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 14.05 ct 18x13mm A+ - InnerVision Crystals
    Sold out
    Original Price $140.00 USD
    Current Price $70.00 USD

    Herkimer Diamond Quartz Crystal 14.05 ct 18x13mm A+

    This small lot of Gem grade Herkimer Diamond Crystals comes from Treasure Mountain Mine in Little Falls, NY. There are also 3 scepters included in ...

    View full details
    Original Price $140.00 USD
    Current Price $70.00 USD
    Sold out
  • Herkimer Diamond Quartz Crystal 293 g 82x77mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 293 g 82x77mm - InnerVision Crystals
    Save 50%
    Original Price $150.00 USD
    Current Price $75.00 USD

    Herkimer Diamond Quartz Crystal 293 g 82x77mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $150.00 USD
    Current Price $75.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 79 g 61x41mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 79 g 61x41mm - InnerVision Crystals
    Sold out
    Original Price $150.00 USD
    Current Price $75.00 USD

    Herkimer Diamond Quartz Crystal 79 g 61x41mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $150.00 USD
    Current Price $75.00 USD
    Sold out
  • Herkimer Diamond Quartz Crystal 14.10 ct 17x13mm AA - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 14.10 ct 17x13mm AA - InnerVision Crystals
    Save 50%
    Original Price $150.00 USD
    Current Price $75.00 USD

    Herkimer Diamond Quartz Crystal 14.10 ct 17x13mm AA

    This small lot of Gem grade Herkimer Diamond Crystals comes from Treasure Mountain Mine in Little Falls, NY. There are also 3 scepters included in ...

    View full details
    Original Price $150.00 USD
    Current Price $75.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 16.85 ct 20x13mm A+ - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 16.85 ct 20x13mm A+ - InnerVision Crystals
    Save 50%
    Original Price $160.00 USD
    Current Price $80.00 USD

    Herkimer Diamond Quartz Crystal 16.85 ct 20x13mm A+

    This small lot of Gem grade Herkimer Diamond Crystals comes from Treasure Mountain Mine in Little Falls, NY. There are also 3 scepters included in ...

    View full details
    Original Price $160.00 USD
    Current Price $80.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 268 g 76x73mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 268 g 76x73mm - InnerVision Crystals
    Save 50%
    Original Price $175.00 USD
    Current Price $87.50 USD

    Herkimer Diamond Quartz Crystal 268 g 76x73mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $175.00 USD
    Current Price $87.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 268 g 74x67mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 268 g 74x67mm - InnerVision Crystals
    Save 50%
    Original Price $175.00 USD
    Current Price $87.50 USD

    Herkimer Diamond Quartz Crystal 268 g 74x67mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $175.00 USD
    Current Price $87.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 105 g 58x46mm w/ Sulfite Rods - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 105 g 58x46mm w/ Sulfite Rods - InnerVision Crystals
    Save 50%
    Original Price $175.00 USD
    Current Price $87.50 USD

    Herkimer Diamond Quartz Crystal 105 g 58x46mm w/ Sulfite Rods

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $175.00 USD
    Current Price $87.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 103 g 68x48mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 103 g 68x48mm - InnerVision Crystals
    Save 50%
    Original Price $175.00 USD
    Current Price $87.50 USD

    Herkimer Diamond Quartz Crystal 103 g 68x48mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $175.00 USD
    Current Price $87.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 288 g 80x66mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 288 g 80x66mm - InnerVision Crystals
    Save 50%
    Original Price $175.00 USD
    Current Price $87.50 USD

    Herkimer Diamond Quartz Crystal 288 g 80x66mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $175.00 USD
    Current Price $87.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 17.50 ct 19x14mm A+ - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 17.50 ct 19x14mm A+ - InnerVision Crystals
    Save 50%
    Original Price $175.00 USD
    Current Price $87.50 USD

    Herkimer Diamond Quartz Crystal 17.50 ct 19x14mm A+

    This small lot of Gem grade Herkimer Diamond Crystals comes from Treasure Mountain Mine in Little Falls, NY. There are also 3 scepters included in ...

    View full details
    Original Price $175.00 USD
    Current Price $87.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 26.15 ct 21x16mm A - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 26.15 ct 21x16mm A - InnerVision Crystals
    Save 50%
    Original Price $175.00 USD
    Current Price $87.50 USD

    Herkimer Diamond Quartz Crystal 26.15 ct 21x16mm A

    This small lot of Gem grade Herkimer Diamond Crystals comes from Treasure Mountain Mine in Little Falls, NY. There are also 3 scepters included in ...

    View full details
    Original Price $175.00 USD
    Current Price $87.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 15.60 ct 18x13mm AA - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 15.60 ct 18x13mm AA - InnerVision Crystals
    Save 50%
    Original Price $175.00 USD
    Current Price $87.50 USD

    Herkimer Diamond Quartz Crystal 15.60 ct 18x13mm AA

    This small lot of Gem grade Herkimer Diamond Crystals comes from Treasure Mountain Mine in Little Falls, NY. There are also 3 scepters included in ...

    View full details
    Original Price $175.00 USD
    Current Price $87.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 128 g 62x57mm Skeletal - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 128 g 62x57mm Skeletal - InnerVision Crystals
    Save 50%
    Original Price $190.00 USD
    Current Price $95.00 USD

    Herkimer Diamond Quartz Crystal 128 g 62x57mm Skeletal

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $190.00 USD
    Current Price $95.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 263 g 78x62mm On Matrix - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 263 g 78x62mm On Matrix - InnerVision Crystals
    Save 50%
    Original Price $195.00 USD
    Current Price $97.50 USD

    Herkimer Diamond Quartz Crystal 263 g 78x62mm On Matrix

    These larger Herkimer Diamond Crystals come from Middleville, NY. Most Herkimer Diamonds are single crystals, with occasional "rider" or "penetrati...

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    Original Price $195.00 USD
    Current Price $97.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 258 g 80x64mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 258 g 80x64mm - InnerVision Crystals
    Save 50%
    Original Price $200.00 USD
    Current Price $100.00 USD

    Herkimer Diamond Quartz Crystal 258 g 80x64mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $200.00 USD
    Current Price $100.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 224 g 93x63mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 224 g 93x63mm - InnerVision Crystals
    Save 50%
    Original Price $200.00 USD
    Current Price $100.00 USD

    Herkimer Diamond Quartz Crystal 224 g 93x63mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $200.00 USD
    Current Price $100.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 84 g 59x42mm - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 84 g 59x42mm - InnerVision Crystals
    Save 50%
    Original Price $200.00 USD
    Current Price $100.00 USD

    Herkimer Diamond Quartz Crystal 84 g 59x42mm

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $200.00 USD
    Current Price $100.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 159 g 76x61mm Skeletal - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 159 g 76x61mm Skeletal - InnerVision Crystals
    Save 50%
    Original Price $210.00 USD
    Current Price $105.00 USD

    Herkimer Diamond Quartz Crystal 159 g 76x61mm Skeletal

    These Herkimer Diamond Quartz Crystals come from the private mine at Treasure Mountain, Little Falls, NY - USA. This location has always been known...

    View full details
    Original Price $210.00 USD
    Current Price $105.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 21.80 ct 22x14mm A+ - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 21.80 ct 22x14mm A+ - InnerVision Crystals
    Save 50%
    Original Price $210.00 USD
    Current Price $105.00 USD

    Herkimer Diamond Quartz Crystal 21.80 ct 22x14mm A+

    This small lot of Gem grade Herkimer Diamond Crystals comes from Treasure Mountain Mine in Little Falls, NY. There are also 3 scepters included in ...

    View full details
    Original Price $210.00 USD
    Current Price $105.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 23.70 ct 22x16mm A+ - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 23.70 ct 22x16mm A+ - InnerVision Crystals
    Sold out
    Original Price $220.00 USD
    Current Price $110.00 USD

    Herkimer Diamond Quartz Crystal 23.70 ct 22x16mm A+

    This small lot of Gem grade Herkimer Diamond Crystals comes from Treasure Mountain Mine in Little Falls, NY. There are also 3 scepters included in ...

    View full details
    Original Price $220.00 USD
    Current Price $110.00 USD
    Sold out
  • Herkimer Diamond Quartz Crystal 180 g 75mm On Matrix - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 180 g 75mm On Matrix - InnerVision Crystals
    Save 50%
    Original Price $225.00 USD
    Current Price $112.50 USD

    Herkimer Diamond Quartz Crystal 180 g 75mm On Matrix

    The smaller jewelry size Herkimer Diamond crystals are the hardest to accumulate in serious quantity. In A grade to AA grade, They make up maybe 3%...

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    Original Price $225.00 USD
    Current Price $112.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 288 g 91x58mm Skeletal - InnerVision Crystals
    Herkimer Diamond Quartz Crystal 288 g 91x58mm Skeletal - InnerVision Crystals
    Save 50%
    Original Price $225.00 USD
    Current Price $112.50 USD

    Herkimer Diamond Quartz Crystal 288 g 91x58mm Skeletal

    These larger Herkimer Diamond Crystals come from Middleville, NY. Most Herkimer Diamonds are single crystals, with occasional "rider" or "penetrati...

    View full details
    Original Price $225.00 USD
    Current Price $112.50 USD
    Save 50%
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