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Buy Round Shape 6.5 mm Gems

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1.32ct Ruby Gemstone Details:

ID: 722511
Weight: 1.32ct
Size: 6.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Shape: Round Facet
Color: Pink
Treatment: Fracture Filled
Origin: Mozambique
Type: Natural Loose Ruby Gem
Short Description of Ruby ID: 722511

1 piece of Fracture Filled Ruby from Mozambique for sale. Natural Round Facet Ruby gem in size: 6.5 mm (calibrated). Ruby gemstone in Hot Pink color.

Price: $ 118.80
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1.57ct Cat's Eye Moonstone Gemstone Details:

ID: 522658
Weight: 1.57ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Shape: Round Cabochon
Color: White
Treatment: Untreated
Origin: India
Type: Natural Loose Cat's Eye Moonstone Gem
Short Description of Cat's Eye Moonstone ID: 522658

1 piece of Untreated Cat's Eye Moonstone from India for sale. Natural Round Cabochon Cat's Eye Moonstone gem in size: 6.5 mm (calibrated). Cat's Eye Moonstone gemstone in Warm White color.

Price: $ 6.91
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3.34ctw Zircon Gemstones Details:

ID: 385888
Weight: 3.34ct (total)
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Shape: Diamond-Cut
Color: White
Treatment: Heated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 385888

2 pieces of Heated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gems in size: 6.5 mm (calibrated). Zircon gemstones in White color.

Price: $ 90.53
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1.31ct Onyx Gemstone Details:

ID: 687951
Weight: 1.31ct
Size: 6.5 mm (calibrated)
Clarity: Opaque
Shape: Round Cabochon
Color: Black
Treatment: Dyed
Origin: Sri Lanka
Type: Natural Loose Onyx Gem
Short Description of Onyx ID: 687951

1 piece of Dyed Onyx from Sri Lanka for sale. Natural Round Cabochon Onyx gem in size: 6.5 mm (calibrated). Onyx gemstone in Black color.

Price: $ 2.62
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1.61ct Zircon Gemstone Details:

ID: 481440
Weight: 1.61ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Shape: Diamond-Cut
Color: Orange
Treatment: Untreated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 481440

1 piece of Untreated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gem in size: 6.5 mm (calibrated). Zircon gemstone in Earthy Orange color.

Price: $ 38.56
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1.18ct Tourmaline Gemstone Details:

ID: 712877
Weight: 1.18ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Shape: Round Cabochon
Color: Pink
Treatment: Untreated
Origin: Mozambique
Type: Natural Loose Tourmaline Gem
Short Description of Tourmaline ID: 712877

1 piece of Untreated Tourmaline from Mozambique for sale. Natural Round Cabochon Tourmaline gem in size: 6.5 mm (calibrated). Tourmaline gemstone in Deep Hot Pink color.

Price: $ 19.64
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2.06ctw Labradorite Gemstones Details:

ID: 684370
Weight: 2.06ct (total)
Size: 6.5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Shape: Round Cabochon
Color: Multicolor
Treatment: Untreated
Origin: Madagascar
Type: Natural Loose Labradorite Gem
Short Description of Labradorite ID: 684370

2 pieces of Untreated Labradorite from Madagascar for sale. Natural Round Cabochon Labradorite gems in size: 6.5 mm (calibrated). Labradorite gemstones in Multicolor color.

Price: $ 2.47
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6.20ctw Zircon Gemstones Details:

ID: 380673
Weight: 6.20ct (total)
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Shape: Diamond-Cut
Color: White
Treatment: Heated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 380673

5 pieces of Heated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gems in size: 6.5 mm (calibrated). Zircon gemstones in White color.

Price: $ 110.48
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1.13ct Labradorite Gemstone Details:

ID: 688023
Weight: 1.13ct
Size: 6.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Shape: Round Cabochon
Color: Multicolor
Treatment: Untreated
Origin: Madagascar
Type: Natural Loose Labradorite Gem
Short Description of Labradorite ID: 688023

1 piece of Untreated Labradorite from Madagascar for sale. Natural Round Cabochon Labradorite gem in size: 6.5 mm (calibrated). Labradorite gemstone in Multicolor color.

Price: $ 2.76
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2.63ctw Prehnite Gemstones Details:

ID: 368251
Weight: 2.63ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Shape: Round Cabochon
Color: Green
Treatment: Untreated
Origin: South Africa
Type: Natural Loose Prehnite Gem
Short Description of Prehnite ID: 368251

2 pieces of Untreated Prehnite from South Africa for sale. Natural Round Cabochon Prehnite gems in size: 6.5 mm (calibrated). Prehnite gemstones in Light Yellowish Green color.

Price: $ 14.34
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1.56ct Zircon Gemstone Details:

ID: 437380
Weight: 1.56ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Shape: Diamond-Cut
Color: Orange
Treatment: Untreated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 437380

1 piece of Untreated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gem in size: 6.5 mm (calibrated). Zircon gemstone in Reddish Orange color.

Price: $ 34.32
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1.26ct Tourmaline Gemstone Details:

ID: 708762
Weight: 1.26ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Shape: Round Cabochon
Color: Pink
Treatment: Untreated
Origin: Mozambique
Type: Natural Loose Tourmaline Gem
Short Description of Tourmaline ID: 708762

1 piece of Untreated Tourmaline from Mozambique for sale. Natural Round Cabochon Tourmaline gem in size: 6.5 mm (calibrated). Tourmaline gemstone in Medium Pink color.

Price: $ 21.68
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3.38ctw Zircon Gemstones Details:

ID: 521374
Weight: 3.38ct (total)
Size: 7 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Shape: Diamond-Cut
Color: White
Treatment: Heated
Origin: Colombia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 521374

2 pieces of Heated Zircon from Colombia for sale. Natural Diamond-Cut Zircon gems in size: 7 mm (calibrated). Zircon gemstones in White color.

Price: $ 101.43
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1.60ct Zircon Gemstone Details:

ID: 437504
Weight: 1.60ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Shape: Diamond-Cut
Color: Orange
Treatment: Untreated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 437504

1 piece of Untreated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gem in size: 6.5 mm (calibrated). Zircon gemstone in Deep Orange color.

Price: $ 35.20
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1.05ct Citrine Gemstone Details:

ID: 723269
Weight: 1.05ct
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Shape: Round Facet
Color: Golden
Treatment: Untreated
Origin: Brazil
Type: Natural Loose Citrine Gem
Short Description of Citrine ID: 723269

1 piece of Untreated Citrine from Brazil for sale. Natural Round Facet Citrine gem in size: 6.5 mm (calibrated). Citrine gemstone in Gold color.

Price: $ 8.40
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3.16ctw Zircon Gemstones Details:

ID: 434542
Weight: 3.16ct (total)
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Shape: Diamond-Cut
Color: Orange
Treatment: Untreated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 434542

2 pieces of Untreated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gems in size: 6.5 mm (calibrated). Zircon gemstones in Deep Orange color.

Price: $ 69.52
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1.54ct Zircon Gemstone Details:

ID: 481395
Weight: 1.54ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Shape: Diamond-Cut
Color: Orange
Treatment: Untreated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 481395

1 piece of Untreated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gem in size: 6.5 mm (calibrated). Zircon gemstone in Medium Orange color.

Price: $ 36.88
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1.48ct Ruby Gemstone Details:

ID: 722504
Weight: 1.48ct
Size: 6.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Shape: Round Facet
Color: Red
Treatment: Fracture Filled
Origin: Mozambique
Type: Natural Loose Ruby Gem
Short Description of Ruby ID: 722504

1 piece of Fracture Filled Ruby from Mozambique for sale. Natural Round Facet Ruby gem in size: 6.5 mm (calibrated). Ruby gemstone in Medium Red color.

Price: $ 133.20
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0.97ct Tiger's Eye Gemstone Details:

ID: 657687
Weight: 0.97ct
Size: 6.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Shape: Round Cabochon
Color: Golden
Treatment: Untreated
Origin: Thailand
Type: Natural Loose Tiger's Eye Gem
Short Description of Tiger's Eye ID: 657687

1 piece of Untreated Tiger's Eye from Thailand for sale. Natural Round Cabochon Tiger's Eye gem in size: 6.5 mm (calibrated). Tiger's Eye gemstone in Golden-Brown color.

Price: $ 0.97
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1.41ct Kyanite Gemstone Details:

ID: 615234
Weight: 1.41ct
Size: 6.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Shape: Round Facet
Color: Blue
Treatment: Untreated
Origin: Nepal
Type: Natural Loose Kyanite Gem
Short Description of Kyanite ID: 615234

1 piece of Untreated Kyanite from Nepal for sale. Natural Round Facet Kyanite gem in size: 6.5 mm (calibrated). Kyanite gemstone in Light Navy Blue color.

Price: $ 29.47
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1.60ct Zircon Gemstone Details:

ID: 434595
Weight: 1.60ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Shape: Diamond-Cut
Color: Orange
Treatment: Untreated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 434595

1 piece of Untreated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gem in size: 6.5 mm (calibrated). Zircon gemstone in Medium Orange color.

Price: $ 35.20
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1.23ct Tourmaline Gemstone Details:

ID: 712221
Weight: 1.23ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Shape: Round Cabochon
Color: Pink
Treatment: Untreated
Origin: Mozambique
Type: Natural Loose Tourmaline Gem
Short Description of Tourmaline ID: 712221

1 piece of Untreated Tourmaline from Mozambique for sale. Natural Round Cabochon Tourmaline gem in size: 6.5 mm (calibrated). Tourmaline gemstone in Light Pink color.

Price: $ 20.47
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1.18ct Tourmaline Gemstone Details:

ID: 711013
Weight: 1.18ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Shape: Round Cabochon
Color: Pink
Treatment: Untreated
Origin: Mozambique
Type: Natural Loose Tourmaline Gem
Short Description of Tourmaline ID: 711013

1 piece of Untreated Tourmaline from Mozambique for sale. Natural Round Cabochon Tourmaline gem in size: 6.5 mm (calibrated). Tourmaline gemstone in Peach Rose color.

Price: $ 19.64
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3.40ctw Zircon Gemstones Details:

ID: 405461
Weight: 3.40ct (total)
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Shape: Diamond-Cut
Color: White
Treatment: Heated
Origin: Myanmar
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 405461

2 pieces of Heated Zircon from Myanmar for sale. Natural Diamond-Cut Zircon gems in size: 6.5 mm (calibrated). Zircon gemstones in Warm White color.

Price: $ 92.49
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1.05ct Emerald Gemstone Details:

ID: 684267
Weight: 1.05ct
Size: 6.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Shape: Round Cabochon
Color: Green
Treatment: Oiled
Origin: Colombia
Type: Natural Loose Emerald Gem
Short Description of Emerald ID: 684267

1 piece of Oiled Emerald from Colombia for sale. Natural Round Cabochon Emerald gem in size: 6.5 mm (calibrated). Emerald gemstone in Light Green color.

Price: $ 84.00
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1.44ct Tourmaline Gemstone Details:

ID: 709328
Weight: 1.44ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Shape: Round Cabochon
Color: Purple
Treatment: Untreated
Origin: Mozambique
Type: Natural Loose Tourmaline Gem
Short Description of Tourmaline ID: 709328

1 piece of Untreated Tourmaline from Mozambique for sale. Natural Round Cabochon Tourmaline gem in size: 6.5 mm (calibrated). Tourmaline gemstone in Deep Magenta color.

Price: $ 24.78
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2.28ct Zircon Gemstone Details:

ID: 377984
Weight: 2.28ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Shape: Round Facet
Color: White
Treatment: Heated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 377984

1 piece of Heated Zircon from Cambodia for sale. Natural Round Facet Zircon gem in size: 6.5 mm (calibrated). Zircon gemstone in White color.

Price: $ 67.36
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2.33ctw Pyrope Garnet Gemstones Details:

ID: 731137
Weight: 2.33ct (total)
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Shape: Round Facet
Color: Red
Treatment: Untreated
Origin: Mozambique
Type: Natural Loose Pyrope Garnet Gem
Short Description of Pyrope Garnet ID: 731137

2 pieces of Untreated Pyrope Garnet from Mozambique for sale. Natural Round Facet Pyrope Garnet gems in size: 6.5 mm (calibrated). Pyrope Garnet gemstones in Deep Red color.

Price: $ 18.64
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1.64ct Zircon Gemstone Details:

ID: 386121
Weight: 1.64ct
Size: 6.5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Shape: Diamond-Cut
Color: White
Treatment: Heated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 386121

1 piece of Heated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gem in size: 6.5 mm (calibrated). Zircon gemstone in White color.

Price: $ 44.45
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1.46ct Ruby Gemstone Details:

ID: 722682
Weight: 1.46ct
Size: 6.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Shape: Round Facet
Color: Red
Treatment: Fracture Filled
Origin: Mozambique
Type: Natural Loose Ruby Gem
Short Description of Ruby ID: 722682

1 piece of Fracture Filled Ruby from Mozambique for sale. Natural Round Facet Ruby gem in size: 6.5 mm (calibrated). Ruby gemstone in Dark Red color.

Price: $ 131.40
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3.12ctw Ruby Gemstones Details:

ID: 728950
Weight: 3.12ct (total)
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Shape: Round Facet
Color: Red
Treatment: Fracture Filled
Origin: Madagascar
Type: Natural Loose Ruby Gem
Short Description of Ruby ID: 728950

2 pieces of Fracture Filled Ruby from Madagascar for sale. Natural Round Facet Ruby gems in size: 6.5 mm (calibrated). Ruby gemstones in Medium Red color.

Price: $ 280.80
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3.81ctw Zircon Gemstones Details:

ID: 405394
Weight: 3.81ct (total)
Size: 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Shape: Diamond-Cut
Color: White
Treatment: Heated
Origin: Myanmar
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 405394

2 pieces of Heated Zircon from Myanmar for sale. Natural Diamond-Cut Zircon gems in size: 7 mm (calibrated). Zircon gemstones in Warm White color.

Price: $ 103.64
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1.12ct Onyx Gemstone Details:

ID: 687944
Weight: 1.12ct
Size: 6.5 mm (calibrated)
Clarity: Opaque
Shape: Round Cabochon
Color: Black
Treatment: Dyed
Origin: Sri Lanka
Type: Natural Loose Onyx Gem
Short Description of Onyx ID: 687944

1 piece of Dyed Onyx from Sri Lanka for sale. Natural Round Cabochon Onyx gem in size: 6.5 mm (calibrated). Onyx gemstone in Black color.

Price: $ 2.24
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1.69ct Zircon Gemstone Details:

ID: 438805
Weight: 1.69ct
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Shape: Diamond-Cut
Color: Orange
Treatment: Untreated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 438805

1 piece of Untreated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gem in size: 6.5 mm (calibrated). Zircon gemstone in Amber Orange color.

Price: $ 37.18
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1.56ct Hessonite Garnet Gemstone Details:

ID: 563525
Weight: 1.56ct
Size: 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Shape: Round Facet
Color: Orange
Treatment: Untreated
Origin: Madagascar
Type: Natural Loose Hessonite Garnet Gem
Short Description of Hessonite Garnet ID: 563525

1 piece of Untreated Hessonite Garnet from Madagascar for sale. Natural Round Facet Hessonite Garnet gem in size: 7 mm (calibrated). Hessonite Garnet gemstone in Medium Orange color.

Price: $ 29.17
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2.98ctw Hessonite Garnet Gemstones Details:

ID: 539674
Weight: 2.98ct (total)
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Shape: Round Facet
Color: Orange
Treatment: Untreated
Origin: Sri Lanka
Type: Natural Loose Hessonite Garnet Gem
Short Description of Hessonite Garnet ID: 539674

2 pieces of Untreated Hessonite Garnet from Sri Lanka for sale. Natural Round Facet Hessonite Garnet gems in size: 6.5 mm (calibrated). Hessonite Garnet gemstones in Deep Orange color.

Price: $ 48.48
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1.45ct Ruby Gemstone Details:

ID: 722503
Weight: 1.45ct
Size: 6.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Shape: Round Facet
Color: Red
Treatment: Fracture Filled
Origin: Mozambique
Type: Natural Loose Ruby Gem
Short Description of Ruby ID: 722503

1 piece of Fracture Filled Ruby from Mozambique for sale. Natural Round Facet Ruby gem in size: 6.5 mm (calibrated). Ruby gemstone in Medium Red color.

Price: $ 130.50
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2.30ctw Tourmaline Gemstones Details:

ID: 712296
Weight: 2.30ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Shape: Round Cabochon
Color: Pink
Treatment: Untreated
Origin: Mozambique
Type: Natural Loose Tourmaline Gem
Short Description of Tourmaline ID: 712296

2 pieces of Untreated Tourmaline from Mozambique for sale. Natural Round Cabochon Tourmaline gems in size: 6.5 mm (calibrated). Tourmaline gemstones in Hot Pink Tone color.

Price: $ 38.27
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3.30ctw Zircon Gemstones Details:

ID: 405471
Weight: 3.30ct (total)
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Shape: Diamond-Cut
Color: White
Treatment: Heated
Origin: Myanmar
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 405471

2 pieces of Heated Zircon from Myanmar for sale. Natural Diamond-Cut Zircon gems in size: 6.5 mm (calibrated). Zircon gemstones in Warm White color.

Price: $ 89.77
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1.84ct Ruby Gemstone Details:

ID: 722673
Weight: 1.84ct
Size: 6.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Shape: Round Facet
Color: Red
Treatment: Fracture Filled
Origin: Mozambique
Type: Natural Loose Ruby Gem
Short Description of Ruby ID: 722673

1 piece of Fracture Filled Ruby from Mozambique for sale. Natural Round Facet Ruby gem in size: 6.5 mm (calibrated). Ruby gemstone in Deep Crimson color.

Price: $ 165.60
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1.11ct Pietersite Gemstone Details:

ID: 675900
Weight: 1.11ct
Size: 6.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Shape: Round Cabochon
Color: Multicolor
Treatment: Untreated
Origin: Namibia
Type: Natural Loose Pietersite Gem
Short Description of Pietersite ID: 675900

1 piece of Untreated Pietersite from Namibia for sale. Natural Round Cabochon Pietersite gem in size: 6.5 mm (calibrated). Pietersite gemstone in Multicolor color.

Price: $ 2.63
Only One Remaining!
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1.71ct Zircon Gemstone Details:

ID: 438365
Weight: 1.71ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Shape: Diamond-Cut
Color: Orange
Treatment: Untreated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 438365

1 piece of Untreated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gem in size: 6.5 mm (calibrated). Zircon gemstone in Amber Orange color.

Price: $ 37.62
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4.88ctw Prehnite Gemstones Details:

ID: 367977
Weight: 4.88ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Shape: Round Cabochon
Color: Green
Treatment: Untreated
Origin: South Africa
Type: Natural Loose Prehnite Gem
Short Description of Prehnite ID: 367977

4 pieces of Untreated Prehnite from South Africa for sale. Natural Round Cabochon Prehnite gems in size: 6.5 mm (calibrated). Prehnite gemstones in Yellow Green color.

Price: $ 26.62
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1.32ct Kyanite Gemstone Details:

ID: 680949
Weight: 1.32ct
Size: 6.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Shape: Round Facet
Color: Blue
Treatment: Untreated
Origin: Nepal
Type: Natural Loose Kyanite Gem
Short Description of Kyanite ID: 680949

1 piece of Untreated Kyanite from Nepal for sale. Natural Round Facet Kyanite gem in size: 6.5 mm (calibrated). Kyanite gemstone in Intense Blue color.

Price: $ 33.00
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1.03ct Onyx Gemstone Details:

ID: 687946
Weight: 1.03ct
Size: 6.5 mm (calibrated)
Clarity: Opaque
Shape: Round Cabochon
Color: Black
Treatment: Dyed
Origin: Sri Lanka
Type: Natural Loose Onyx Gem
Short Description of Onyx ID: 687946

1 piece of Dyed Onyx from Sri Lanka for sale. Natural Round Cabochon Onyx gem in size: 6.5 mm (calibrated). Onyx gemstone in Black color.

Price: $ 2.06
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1.76ct Hessonite Garnet Gemstone Details:

ID: 563530
Weight: 1.76ct
Size: 6.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Shape: Round Facet
Color: Orange
Treatment: Untreated
Origin: Madagascar
Type: Natural Loose Hessonite Garnet Gem
Short Description of Hessonite Garnet ID: 563530

1 piece of Untreated Hessonite Garnet from Madagascar for sale. Natural Round Facet Hessonite Garnet gem in size: 6.5 mm (calibrated). Hessonite Garnet gemstone in Deep Orange color.

Price: $ 32.91
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1.68ct Ruby Gemstone Details:

ID: 722466
Weight: 1.68ct
Size: 6.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Shape: Round Facet
Color: Red
Treatment: Fracture Filled
Origin: Mozambique
Type: Natural Loose Ruby Gem
Short Description of Ruby ID: 722466

1 piece of Fracture Filled Ruby from Mozambique for sale. Natural Round Facet Ruby gem in size: 6.5 mm (calibrated). Ruby gemstone in Deep Red color.

Price: $ 151.20
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1.29ct Tourmaline Gemstone Details:

ID: 708751
Weight: 1.29ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Shape: Round Cabochon
Color: Green
Treatment: Untreated
Origin: Mozambique
Type: Natural Loose Tourmaline Gem
Short Description of Tourmaline ID: 708751

1 piece of Untreated Tourmaline from Mozambique for sale. Natural Round Cabochon Tourmaline gem in size: 6.5 mm (calibrated). Tourmaline gemstone in Very Light Sage Green color.

Price: $ 22.20
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2.62ctw Tourmaline Gemstones Details:

ID: 708177
Weight: 2.62ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Shape: Round Cabochon
Color: Pink
Treatment: Untreated
Origin: Mozambique
Type: Natural Loose Tourmaline Gem
Short Description of Tourmaline ID: 708177

2 pieces of Untreated Tourmaline from Mozambique for sale. Natural Round Cabochon Tourmaline gems in size: 6.5 mm (calibrated). Tourmaline gemstones in Hot Pink color.

Price: $ 45.09
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1.88ct Ruby Gemstone Details:

ID: 722719
Weight: 1.88ct
Size: 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Shape: Round Facet
Color: Red
Treatment: Fracture Filled
Origin: Mozambique
Type: Natural Loose Ruby Gem
Short Description of Ruby ID: 722719

1 piece of Fracture Filled Ruby from Mozambique for sale. Natural Round Facet Ruby gem in size: 7 mm (calibrated). Ruby gemstone in Deep Reddish Pink color.

Price: $ 169.20
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1.32ct Zircon Gemstone Details:

ID: 481441
Weight: 1.32ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Shape: Diamond-Cut
Color: Orange
Treatment: Untreated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 481441

1 piece of Untreated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gem in size: 6.5 mm (calibrated). Zircon gemstone in Dark Orange color.

Price: $ 31.61
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3.45ctw Zircon Gemstones Details:

ID: 385796
Weight: 3.45ct (total)
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Shape: Diamond-Cut
Color: White
Treatment: Heated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 385796

2 pieces of Heated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gems in size: 6.5 mm (calibrated). Zircon gemstones in White color.

Price: $ 93.51
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1.50ct Hessonite Garnet Gemstone Details:

ID: 563534
Weight: 1.50ct
Size: 6.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Shape: Round Facet
Color: Orange
Treatment: Untreated
Origin: Madagascar
Type: Natural Loose Hessonite Garnet Gem
Short Description of Hessonite Garnet ID: 563534

1 piece of Untreated Hessonite Garnet from Madagascar for sale. Natural Round Facet Hessonite Garnet gem in size: 6.5 mm (calibrated). Hessonite Garnet gemstone in Deep Orange color.

Price: $ 28.05
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2.92ctw Zircon Gemstones Details:

ID: 405463
Weight: 2.92ct (total)
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Shape: Diamond-Cut
Color: White
Treatment: Heated
Origin: Myanmar
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 405463

2 pieces of Heated Zircon from Myanmar for sale. Natural Diamond-Cut Zircon gems in size: 6.5 mm (calibrated). Zircon gemstones in Warm White color.

Price: $ 79.43
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1.64ct Zircon Gemstone Details:

ID: 521359
Weight: 1.64ct
Size: 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Shape: Diamond-Cut
Color: White
Treatment: Heated
Origin: Colombia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 521359

1 piece of Heated Zircon from Colombia for sale. Natural Diamond-Cut Zircon gem in size: 7 mm (calibrated). Zircon gemstone in White color.

Price: $ 49.21
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1.44ct Sillimanite Cat's Eye Gemstone Details:

ID: 551904
Weight: 1.44ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Shape: Round Cabochon
Color: White
Treatment: Untreated
Origin: Madagascar
Type: Natural Loose Sillimanite Cat's Eye Gem
Short Description of Sillimanite Cat's Eye ID: 551904

1 piece of Untreated Sillimanite Cat's Eye from Madagascar for sale. Natural Round Cabochon Sillimanite Cat's Eye gem in size: 6.5 mm (calibrated). Sillimanite Cat's Eye gemstone in White color.

Price: $ 4.51
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3.09ctw Prehnite Gemstones Details:

ID: 368228
Weight: 3.09ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Shape: Round Cabochon
Color: Green
Treatment: Untreated
Origin: South Africa
Type: Natural Loose Prehnite Gem
Short Description of Prehnite ID: 368228

2 pieces of Untreated Prehnite from South Africa for sale. Natural Round Cabochon Prehnite gems in size: 6.5 mm (calibrated). Prehnite gemstones in Yellowish Green color.

Price: $ 16.86
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1.65ct Zircon Gemstone Details:

ID: 481394
Weight: 1.65ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Shape: Diamond-Cut
Color: Orange
Treatment: Untreated
Origin: Cambodia
Type: Natural Loose Zircon Gem
Short Description of Zircon ID: 481394

1 piece of Untreated Zircon from Cambodia for sale. Natural Diamond-Cut Zircon gem in size: 6.5 mm (calibrated). Zircon gemstone in Reddish Orange color.

Price: $ 39.51
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2.21ctw Tourmaline Gemstones Details:

ID: 712293
Weight: 2.21ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Shape: Round Cabochon
Color: Pink
Treatment: Untreated
Origin: Mozambique
Type: Natural Loose Tourmaline Gem
Short Description of Tourmaline ID: 712293

2 pieces of Untreated Tourmaline from Mozambique for sale. Natural Round Cabochon Tourmaline gems in size: 6.5 mm (calibrated). Tourmaline gemstones in Medium Pink color.

Price: $ 36.77
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2.50ctw Tourmaline Gemstones Details:

ID: 711436
Weight: 2.50ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Shape: Round Cabochon
Color: Pink
Treatment: Untreated
Origin: Mozambique
Type: Natural Loose Tourmaline Gem
Short Description of Tourmaline ID: 711436

2 pieces of Untreated Tourmaline from Mozambique for sale. Natural Round Cabochon Tourmaline gems in size: 6.5 mm (calibrated). Tourmaline gemstones in Medium Pink color.

Price: $ 41.60
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1 - 6

Some people buy gems by color or price, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated Round shapes, facet cut and cabochon gems available now in 6.5 mm diameter size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.

As a general guideline, when it comes to 'calibrated' gems, they are not usually expected to be cut to exact measurements. For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often around 0.3 mm or even slightly higher. This small variance can usually be accommodated for standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.

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