Herkimer Diamond Quartz Crystals

This collection is 50% OFF for our annual Last Qtr / End of Year Sale. Since 2006 we have been bringing you one of the premier online sources for Crystals & Jewelry. Come explore with us.

Updated Sept 30, 2019 : New Herkimer Diamonds from the 2019 Mining season are available now.

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)

  • IVC Logo 5" Decal Car Sticker | Alchemical Flower of Life ***2019 CLEARANCE***
    Sale
    from $2.50 USD

    IVC Logo 5" Decal Car Sticker | Alchemical Flower of Life ***2019 CLEARANCE***

    In stock and ready to ship! We made a few of these for the team and decided they were so cool we should just print a bunch of them! So, here they a...

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    from $2.50 USD
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  • Herkimer Diamond Quartz Crystal AA GRADE 1 STONE - CHOOSE SIZE
    Sale
    from $6.00 USD

    Herkimer Diamond Quartz Crystal AA GRADE 1 STONE - CHOOSE SIZE

    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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    from $6.00 USD
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  • Herkimer Diamond Quartz Crystal 4.50 ct 12.36mm AA
    Sold out
    Original Price $45.00 USD
    Current Price $22.50 USD

    Herkimer Diamond Quartz Crystal 4.50 ct 12.36mm AA

    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 $45.00 USD
    Current Price $22.50 USD
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  • Herkimer Diamond Quartz Crystal 4.60 ct 12mm AA
    Sold out
    Original Price $46.00 USD
    Current Price $23.00 USD

    Herkimer Diamond Quartz Crystal 4.60 ct 12mm AA

    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 $46.00 USD
    Current Price $23.00 USD
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  • Herkimer Diamond Quartz Crystal 5.80 ct 12.34mm A+
    Sold out
    Original Price $46.00 USD
    Current Price $23.00 USD

    Herkimer Diamond Quartz Crystal 5.80 ct 12.34mm A+

    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 $46.00 USD
    Current Price $23.00 USD
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  • Herkimer Diamond Quartz Crystal 5.00 ct 12.01mm A+
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    Original Price $46.00 USD
    Current Price $23.00 USD

    Herkimer Diamond Quartz Crystal 5.00 ct 12.01mm A+

    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 $46.00 USD
    Current Price $23.00 USD
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  • Herkimer Diamond Quartz Crystal 151 g 67x52mm
    Sold out
    Original Price $120.00 USD
    Current Price $60.00 USD

    Herkimer Diamond Quartz Crystal 151 g 67x52mm

    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 $120.00 USD
    Current Price $60.00 USD
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  • Herkimer Diamond Quartz Crystal 143 g 64x57mm
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    Original Price $120.00 USD
    Current Price $60.00 USD

    Herkimer Diamond Quartz Crystal 143 g 64x57mm

    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 $120.00 USD
    Current Price $60.00 USD
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  • Herkimer Diamond Quartz Crystal 111 g 65x50mm
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    Original Price $140.00 USD
    Current Price $70.00 USD

    Herkimer Diamond Quartz Crystal 111 g 65x50mm

    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 $140.00 USD
    Current Price $70.00 USD
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  • Herkimer Diamond Quartz Crystal 23 g 28x25mm
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    Original Price $140.00 USD
    Current Price $70.00 USD

    Herkimer Diamond Quartz Crystal 23 g 28x25mm

    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 $140.00 USD
    Current Price $70.00 USD
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  • Herkimer Diamond Quartz Crystal 194 g 84x52mm
    Save 50%
    Original Price $150.00 USD
    Current Price $75.00 USD

    Herkimer Diamond Quartz Crystal 194 g 84x52mm

    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 $150.00 USD
    Current Price $75.00 USD
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  • Herkimer Diamond Quartz Crystal 117 g 66x48mm
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    Original Price $150.00 USD
    Current Price $75.00 USD

    Herkimer Diamond Quartz Crystal 117 g 66x48mm

    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 $150.00 USD
    Current Price $75.00 USD
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  • Herkimer Diamond Quartz Crystal 70 g 61x43mm
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    Original Price $150.00 USD
    Current Price $75.00 USD

    Herkimer Diamond Quartz Crystal 70 g 61x43mm

    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 $150.00 USD
    Current Price $75.00 USD
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  • Herkimer Diamond Quartz Crystal 21 g 35x29mm
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    Original Price $150.00 USD
    Current Price $75.00 USD

    Herkimer Diamond Quartz Crystal 21 g 35x29mm

    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 $150.00 USD
    Current Price $75.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 185 g 87x56mm
    Save 50%
    Original Price $160.00 USD
    Current Price $80.00 USD

    Herkimer Diamond Quartz Crystal 185 g 87x56mm

    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 $160.00 USD
    Current Price $80.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 194 g 75x57mm
    Save 50%
    Original Price $160.00 USD
    Current Price $80.00 USD

    Herkimer Diamond Quartz Crystal 194 g 75x57mm

    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%...

    View full details
    Original Price $160.00 USD
    Current Price $80.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 26 g 40x25mm
    Save 50%
    Original Price $175.00 USD
    Current Price $87.50 USD

    Herkimer Diamond Quartz Crystal 26 g 40x25mm

    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%...

    View full details
    Original Price $175.00 USD
    Current Price $87.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 58 g 50x40mm
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    Original Price $175.00 USD
    Current Price $87.50 USD

    Herkimer Diamond Quartz Crystal 58 g 50x40mm

    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 $175.00 USD
    Current Price $87.50 USD
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  • Herkimer Diamond Quartz Crystals WHOLESALE Mine Run Mix Grades
    from $90.00 USD

    Herkimer Diamond Quartz Crystals WHOLESALE Mine Run Mix Grades

    Please read entire description - These have not been sorted & graded. This is the stuff from the "gravel" pockets of smaller gem crystals. Thes...

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    from $90.00 USD
  • Herkimer Diamond Faceted Gemstone 7.79 ct 16x11mm - InnerVision Crystals
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    Original Price $195.00 USD
    Current Price $97.50 USD

    Herkimer Diamond Faceted Gemstone 7.79 ct 16x11mm

    New Stones are here! Cut exclusively for IVC. The crystals were mined in Middleville, NY. Herkimer Diamond Quartz Crystals direct from the source i...

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    Original Price $195.00 USD
    Current Price $97.50 USD
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  • Herkimer Diamond Quartz Crystal 103.3 g 60mm Cluster
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    Original Price $200.00 USD
    Current Price $100.00 USD

    Herkimer Diamond Quartz Crystal 103.3 g 60mm Cluster

    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 $200.00 USD
    Current Price $100.00 USD
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  • Herkimer Diamond Quartz Crystal 210 g 77x63mm
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    Original Price $200.00 USD
    Current Price $100.00 USD

    Herkimer Diamond Quartz Crystal 210 g 77x63mm

    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 $200.00 USD
    Current Price $100.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 29 g 43x27mm
    Save 50%
    Original Price $200.00 USD
    Current Price $100.00 USD

    Herkimer Diamond Quartz Crystal 29 g 43x27mm

    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%...

    View full details
    Original Price $200.00 USD
    Current Price $100.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 90 g 60x42mm
    Save 50%
    Original Price $200.00 USD
    Current Price $100.00 USD

    Herkimer Diamond Quartz Crystal 90 g 60x42mm

    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 $200.00 USD
    Current Price $100.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 176 g 75x54mm w/ Calcite
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    Original Price $220.00 USD
    Current Price $110.00 USD

    Herkimer Diamond Quartz Crystal 176 g 75x54mm w/ Calcite

    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 $220.00 USD
    Current Price $110.00 USD
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  • Herkimer Diamond Quartz Crystal 122 g 74mm - InnerVision Crystals
    Save 50%
    Original Price $225.00 USD
    Current Price $112.50 USD

    Herkimer Diamond Quartz Crystal 122 g 74mm

    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
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  • Herkimer Diamond Quartz Crystal 180 g 75mm On Matrix
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    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 72 g 56mm Cluster
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    Original Price $225.00 USD
    Current Price $112.50 USD

    Herkimer Diamond Quartz Crystal 72 g 56mm Cluster

    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%...

    View full details
    Original Price $225.00 USD
    Current Price $112.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 145 g 80x44mm
    Save 50%
    Original Price $225.00 USD
    Current Price $112.50 USD

    Herkimer Diamond Quartz Crystal 145 g 80x44mm

    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%...

    View full details
    Original Price $225.00 USD
    Current Price $112.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 20 g 37x24mm
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    Original Price $225.00 USD
    Current Price $112.50 USD

    Herkimer Diamond Quartz Crystal 20 g 37x24mm

    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%...

    View full details
    Original Price $225.00 USD
    Current Price $112.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 128 g 67x57mm
    Save 50%
    Original Price $230.00 USD
    Current Price $115.00 USD

    Herkimer Diamond Quartz Crystal 128 g 67x57mm

    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%...

    View full details
    Original Price $230.00 USD
    Current Price $115.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 255 g 75x64mm
    Save 50%
    Original Price $230.00 USD
    Current Price $115.00 USD

    Herkimer Diamond Quartz Crystal 255 g 75x64mm

    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 $230.00 USD
    Current Price $115.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 135 g 73mm Druzy matrix - InnerVision Crystals
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    Original Price $250.00 USD
    Current Price $125.00 USD

    Herkimer Diamond Quartz Crystal 135 g 73mm Druzy 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 $250.00 USD
    Current Price $125.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 110.6 g 54mm Cluster
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    Original Price $250.00 USD
    Current Price $125.00 USD

    Herkimer Diamond Quartz Crystal 110.6 g 54mm Cluster

    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%...

    View full details
    Original Price $250.00 USD
    Current Price $125.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 42 g 42x35mm
    Save 50%
    Original Price $250.00 USD
    Current Price $125.00 USD

    Herkimer Diamond Quartz Crystal 42 g 42x35mm

    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%...

    View full details
    Original Price $250.00 USD
    Current Price $125.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 33 g 42x29mm
    Save 50%
    Original Price $250.00 USD
    Current Price $125.00 USD

    Herkimer Diamond Quartz Crystal 33 g 42x29mm

    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%...

    View full details
    Original Price $250.00 USD
    Current Price $125.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 41 g 49x31mm
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    Original Price $250.00 USD
    Current Price $125.00 USD

    Herkimer Diamond Quartz Crystal 41 g 49x31mm

    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%...

    View full details
    Original Price $250.00 USD
    Current Price $125.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 37 g 46x31mm
    Save 50%
    Original Price $250.00 USD
    Current Price $125.00 USD

    Herkimer Diamond Quartz Crystal 37 g 46x31mm

    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%...

    View full details
    Original Price $250.00 USD
    Current Price $125.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 69 g 54x40mm 2"+ Water Clear
    Save 50%
    Original Price $250.00 USD
    Current Price $125.00 USD

    Herkimer Diamond Quartz Crystal 69 g 54x40mm 2"+ Water Clear

    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%...

    View full details
    Original Price $250.00 USD
    Current Price $125.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 49 g 46x36mm
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    Original Price $250.00 USD
    Current Price $125.00 USD

    Herkimer Diamond Quartz Crystal 49 g 46x36mm

    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%...

    View full details
    Original Price $250.00 USD
    Current Price $125.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 208 g 88x54mm
    Save 50%
    Original Price $275.00 USD
    Current Price $137.50 USD

    Herkimer Diamond Quartz Crystal 208 g 88x54mm

    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%...

    View full details
    Original Price $275.00 USD
    Current Price $137.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 74 g 50mm Natural Cluster
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    Original Price $275.00 USD
    Current Price $137.50 USD

    Herkimer Diamond Quartz Crystal 74 g 50mm Natural Cluster

    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 $275.00 USD
    Current Price $137.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 90 g 59mm Rare 2"+ Water Clear
    Save 50%
    Original Price $275.00 USD
    Current Price $137.50 USD

    Herkimer Diamond Quartz Crystal 90 g 59mm Rare 2"+ Water Clear

    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%...

    View full details
    Original Price $275.00 USD
    Current Price $137.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 114 g 64mm
    Save 50%
    Original Price $285.00 USD
    Current Price $142.50 USD

    Herkimer Diamond Quartz Crystal 114 g 64mm

    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%...

    View full details
    Original Price $285.00 USD
    Current Price $142.50 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 128.3 g 64mm Cluster
    Save 50%
    Original Price $290.00 USD
    Current Price $145.00 USD

    Herkimer Diamond Quartz Crystal 128.3 g 64mm Cluster

    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%...

    View full details
    Original Price $290.00 USD
    Current Price $145.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 52 g 56mm
    Save 50%
    Original Price $300.00 USD
    Current Price $150.00 USD

    Herkimer Diamond Quartz Crystal 52 g 56mm

    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%...

    View full details
    Original Price $300.00 USD
    Current Price $150.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 25.1 g 36mm
    Save 50%
    Original Price $300.00 USD
    Current Price $150.00 USD

    Herkimer Diamond Quartz Crystal 25.1 g 36mm

    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%...

    View full details
    Original Price $300.00 USD
    Current Price $150.00 USD
    Save 50%
  • Herkimer Diamond Quartz Crystal 106 g 64mm
    Save 50%
    Original Price $300.00 USD
    Current Price $150.00 USD

    Herkimer Diamond Quartz Crystal 106 g 64mm

    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%...

    View full details
    Original Price $300.00 USD
    Current Price $150.00 USD
    Save 50%
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