Herkimer Diamonds

Machine Cut Herkimer Diamonds
Faceted Quartz Crystal Gemstones

 

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2002-2022

Choice chunks of clear Herkimer quartz crystal are sent to be faceted into familiar traditional gemstone shapes.
Their beauty has exceeded our expectations; we hope your's as well.

      • Cut quartz crystal gemstones are flawless to the naked eye. Under a 10x loupe, more than 95% of them are flawless.
      • All have excellent AA grade clarity.
      • These machine cut Herkimers are calibrated for manufactured jewelry settings.
      • Herkimer Diamonds are comparable in weight to real diamonds.
      • Some may have a smoky, deep hue or golden hue from associated minerals such as black hydrocarbon and iron oxide. If this is the case, it will be noted.
      • Due to the cost of faceting some of the smaller gems, usually 3 mm and less, a cost of $5.00 per gem is charged.
      • Some photos are representative of the crystal you are purchasing.

Machine Cut Herkimer Diamond crystals are offered in the following cuts and prices:

Cut / Shape $ Price per ct.
Heart $ 28.00
Marquise, Navette $ 28.00
Oval $ 28.00
Pear, Tear Drop, Pendeloque $ 28.00
Princess $ 28.00
Round Cut - Brilliant and Star $ 28.00
Trilliant, Trillion, Trillian Cushion $ 28.00

Additional quantities of shapes and sizes are available,
please email any requests.

Crystals can be ordered via Paypal (credit card) or email (money order). To order with Paypal, simply click the "Add to Cart" button. To order by email, see the Order Information page.


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Heart shaped cut quartz crystal.
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Heart Shaped Cut Crystal
Cut: Heart
Size: 6 (6.2) mm
Weight: .80 ct.
$ 22.40


Faceted heart shaped Herkimer Diamond
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Faceted Herkimer Diamond
Cut: Heart
Size: 7 (7.2) mm
Weight: 1.10 ct.
$ 30.80

Heart Cut !uartz Crystal Gemstones
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Two Cut Quartz Crystal Gemstones
Cut: Heart
Size: 7+ mm
Weight: 2.26 ct. total.
$ 63.28


Machine cut Herkimer crystals with marquis shape.
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Two (2) Machine Cut Herkimer Crystals
Cut: Marquise
Size: 8x4 mm each
Weight: 1.27 ct. total
$ 35.56


Marquise Cut Herkimer Diamond
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*SOLD*
Machine Cut Herkimer Diamond
Cut: Marquis
Size: 10x5 mm
Weight: .87 ct.
$ 24.36



Oval Cut Herkimers
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*SOLD*
Four Oval Cut Herkimer Diamonds
Cut: Oval
Size: 4x3 mm
Weight: .15 ct. each
$ 16.80


Oval faceted Herkimer Diamond
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Faceted Herkimer Diamond
Cut: Oval
Size: 12x10 mm
Weight: 5.75 ct.
$ 161.00


Large Oval Faceted Herkimer Crystal
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Large Machine Faceted Herkimer Crystal
Cut: Oval
Size: 16x13 mm
Weight: 9.35 ct.
$ 261.80



Large smoky pear cut Herkimer Diamond
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Large Pendeloque Cut Herkimer Diamond
Cut: Pendeloque / Tear Drop / Pear
Size: 20x16 mm
Weight: 14.16 ct.
$ 396.48


Images of a faceted Herkimer crystals, princess cut.
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Clear Faceted Herkimer Crystal
Cut: Princess
Size: 9.5 mm
Weight: 3.56 ct.
$ 99.68


 

Round cut quartz accent gemstones
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Four Quartz Crystal Gemstones
Cut: Star Round
Size: 3 mm
Weight: .11 ct. each
$ 20.00


Round cut quartz accent gemstones
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Two Quartz Crystal Accent Gemstones
Cut: Brilliant Round
Size: 4 mm
Weight: .27 ct. each / .54 total
$ 15.12



Herkimer Quart Accent Crystals
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Two Quartz Accent Gemstones
Cut: Star Round
Size: 4 mm
Weight: .54 ct. total
$ 15.12

Round Cut Herkimer Quartz Gemstones
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*SOLD*
Four Herkimer Quartz Crystal Gemstones
Cut: Brilliant Round
Size: 4 mm
Weight: 1 ct. total
$ 28.00


Star Round Cut Herkimer Diamond Crystal
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Star Round Cut Herkimer Diamond
Cut: Star Round
Size: 5 mm
Weight: .45 ct.
$ 12.60


Machine Faceted Herkimer Diamonds
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Two Machine Faceted Herkimer Diamonds
Cut: Brilliant Round
Size: 5 mm
Weight: 1.02 ct. total
$ 28.56


Machine Faceted Herkimer Diamonds
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Two Machine Faceted Herkimer Diamonds
Cut: Star Round
Size: 5 mm
Weight: 1.24 ct. total
$ 34.72


Brilliant Round Cut Diamond Crystal
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Faceted Diamond Crystal
Cut: Brilliant Round
Size: 6 mm
Weight: .79 ct.
$ 22.12


Star Round Cut Diamond Crystal

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Star Round Cut Diamond Crystal
Cut: Star Round
Size: 6 mm
Weight: .78 ct.
$ 21.84


Two Clear Cut Quartz Crystals
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Two Clear Cut Quartz Crystals
Cut: Brilliant Round
Size: 6 (6.2) mm
Weight: 1.66 ct. total
$ 46.48


Star Round Herkimer Gemstone
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Star Round Herkimer Diamond Gemstone
Cut: Round Star
Size: 8 (8.25) mm
Weight: 1.84 ct.
$ 51.52


Round Cut Herkimer Crystal
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Round Cut Herkimer Crystal
Cut: Brilliant Round
Size: 9 mm
Weight: 2.41 ct.
$ 67.48


Brilliant round faceted Herkimer crystal.
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Faceted Herkimer Quartz Crystal
Cut: Brilliant Round
Size: 11 mm
Weight: 4.49 ct.
$ 125.72


Large brilliant Herkimer Diamond
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Large Brilliant Machine Cut Herkimer Diamond
Cut: Round Brilliant
Size: 12 mm
Weight: 4.80 ct.
$ 134.40



Trillion cut Herkimer Diamond
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Trillian Cut Herkimer Diamond
Cut: Trillion or trilliant
Size: 6x6 mm
Weight: .77 ct.
$21.56



Trillion Shaped Herkimer Quartz Crystal Gemstone
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Trillion Shaped Herkimer Quartz Crystal Gemstone
Cut: Trillion or Trilliant
Size: 8x8 mm
Weight: 1.68 ct.
$ 47.04