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Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones

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1.87ct Multicolor Opal Gemstones, Oval, Transparent

1.87ct Multicolor Opal, Oval, Transparent
ID: 704825
Weight: 1.87ct
Size: 11 x 7.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 56.10
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0.64ct Medium Golden Citrine Gemstones, Pear Shape, VVS-VS
Citrine Product Video (505932)

0.64ct Medium Golden Citrine, Pear Shape, VVS-VS
ID: 505932
Weight: avg. 0.64 ct / each
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 3.50
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2.22ct Medium-Dark Orange Zircon Gemstones, Oval, VVS

2.22ct Medium-Dark Orange Zircon, Oval, VVS
ID: 358242
Weight: 2.22ct
Size: 7.9 x 6.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 58.90
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0.99ct Deep Orange Hessonite Garnet Gemstones, Pear Shape, SI

0.99ct Deep Orange Hessonite Garnet, Pear Shape, SI
ID: 563562
Weight: 0.99ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 22.21
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5.38ctw Medium Purple Rhodolite Garnet Gemstones, Oval, VS
Rhodolite Garnet Product Video (377679)

5.38ctw Medium Purple Rhodolite Garnet, Oval, VS
ID: 377679
Weight: 5.38ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 137.84
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2.04ct Medium Dark-Orange Hessonite Garnet Gemstones, Oval, VS-SI

2.04ct Medium Dark-Orange Hessonite Garnet, Oval, VS-SI
ID: 712901
Weight: 2.04ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 48.96
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2.76ctw Electric Green Tsavorite Garnet Gemstones, Round, VS-SI
Tsavorite Garnet Product Video (390060)

2.76ctw Electric Green Tsavorite Garnet, Round, VS-SI
ID: 390060
Weight: 2.76ct (total)
Size: 2.5 mm (calibrated)
Clarity: VS-SI
Content: 40 pcs
Price: $ 258.28
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4.75ctw Multicolor Labradorite Gemstones, Marquise, Translucent

4.75ctw Multicolor Labradorite, Marquise, Translucent
ID: 712433
Weight: 4.75ct (total)
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.66
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11.08ctw Hickory Brown Smoky Quartz Gemstones, Marquise, Transparent

11.08ctw Hickory Brown Smoky Quartz, Marquise, Transparent
ID: 610303
Weight: 11.08ct (total)
Size: 22 x 8.8 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 14.63
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25.26ct Multicolor Quartz With Marcasite Gemstones, Pear Shape, Transparent

25.26ct Multicolor Quartz With Marcasite, Pear Shape, Transparent
ID: 524014
Weight: 25.26ct
Size: 25.2 x 18.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 200.06
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0.09ctw Black Diamond Gemstones, Round, Opaque

0.09ctw Black Diamond, Round, Opaque
ID: 673581
Weight: 0.09ct (total)
Size: 2.2 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 49.14
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0.61ct Deep Orange Zircon Gemstones, Oval, VVS

0.61ct Deep Orange Zircon, Oval, VVS
ID: 720083
Weight: 0.61ct
Size: 5.2 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 10.98
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7.88ct Light Grey Star Sapphire Gemstones, Oval, Opaque
Star Sapphire Product Video (470841)

7.88ct Light Grey Star Sapphire, Oval, Opaque
ID: 470841
Weight: 7.88ct
Size: 10.6 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 364.06
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3.87ctw Bubblegum Pink Rose Quartz Gemstones, Emerald Cut, Transparent

3.87ctw Bubblegum Pink Rose Quartz, Emerald Cut, Transparent
ID: 394327
Weight: 3.87ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 25.55
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13.11ct Medium Violet Amethyst Gemstones, Cushion, VVS

13.11ct Medium Violet Amethyst, Cushion, VVS
ID: 715762
Weight: 13.11ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 125.86
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2.96ctw Light Gold Golden Beryl Gemstones, Oval, VVS-VS

2.96ctw Light Gold Golden Beryl, Oval, VVS-VS
ID: 604670
Weight: 2.96ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 78.14
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3.27ctw Warm Green Prehnite Gemstones, Oval, Transparent

3.27ctw Warm Green Prehnite, Oval, Transparent
ID: 389504
Weight: 3.27ct (total)
Size: 8.2 x 6.8 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 21.59
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3.48ctw Bluish White Rainbow Moonstone Gemstones, Oval, Transparent

3.48ctw Bluish White Rainbow Moonstone, Oval, Transparent
ID: 725855
Weight: 3.48ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 137.84
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22.78ctw Multicolor Fossil Coral Gemstones, Oval, Opaque

22.78ctw Multicolor Fossil Coral, Oval, Opaque
ID: 472144
Weight: 22.78ct (total)
Size: 21.6 x 13.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 45.11
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0.70ct Yellowish Green Peridot Gemstones, Marquise, VS

0.70ct Yellowish Green Peridot, Marquise, VS
ID: 662808
Weight: 0.70ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.44
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0.03ct Black Diamond Gemstones, Round, Opaque

0.03ct Black Diamond, Round, Opaque
ID: 718110
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.80
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27.94ct Green with Red Bloodstone Gemstones, Oval, Opaque

27.94ct Green with Red Bloodstone, Oval, Opaque
ID: 685925
Weight: 27.94ct
Size: 28.8 x 20.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.57
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10.19ct Light Violet Amethyst Gemstones, Fancy, Transparent

10.19ct Light Violet Amethyst, Fancy, Transparent
ID: 573680
Weight: 10.19ct
Size: 15 x 13 mm
Clarity: Transparent
Content: 1 pc
Price: $ 80.70
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2.58ct Gingerbread Brown Smoky Quartz Gemstones, Oval, VVS-VS

2.58ct Gingerbread Brown Smoky Quartz, Oval, VVS-VS
ID: 706832
Weight: 2.58ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.48
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7.20ctw Medium-Dark Golden Citrine Gemstones, Pear Shape, VVS-VS

7.20ctw Medium-Dark Golden Citrine, Pear Shape, VVS-VS
ID: 558492
Weight: 7.20ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 54.47
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1.24ct Medium Yellow Chrysoberyl Gemstones, Oval, VVS-VS

1.24ct Medium Yellow Chrysoberyl, Oval, VVS-VS
ID: 366370
Weight: 1.24ct
Size: 6.9 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 174.20
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11.80ct Very Light Pink Kunzite Gemstones, Cushion, VVS-VS
Kunzite Product Video (695125)

11.80ct Very Light Pink Kunzite, Cushion, VVS-VS
ID: 695125
Weight: 11.80ct
Size: 13.8 x 11.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 354.00
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1.30ct Electric Azure Blue Cavansite Gemstones, Fancy, Opaque

1.30ct Electric Azure Blue Cavansite, Fancy, Opaque
ID: 736394
Weight: 1.30ct
Size: 8.7 x 7.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.10
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2.48ctw Medium Red Pyrope Garnet Gemstones, Square, VS

2.48ctw Medium Red Pyrope Garnet, Square, VS
ID: 464435
Weight: 2.48ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 22.92
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1.79ct Fire Orange Hessonite Garnet Gemstones, Cushion, SI

1.79ct Fire Orange Hessonite Garnet, Cushion, SI
ID: 547755
Weight: 1.79ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 36.28
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7.60ctw Warm White Moonstone Gemstones, Round, Translucent

7.60ctw Warm White Moonstone, Round, Translucent
ID: 400230
Weight: 7.60ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 25.08
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17.54ct Multicolor Chrysocolla Gemstones, Cushion, Opaque

17.54ct Multicolor Chrysocolla, Cushion, Opaque
ID: 658370
Weight: 17.54ct
Size: 23 x 18.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.99
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67.95ct Multicolor Tiger's Eye Matrix Gemstones, Oval, Opaque

67.95ct Multicolor Tiger's Eye Matrix, Oval, Opaque
ID: 721745
Weight: 67.95ct
Size: 43.5 x 25.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 81.54
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26.01ct Reddish Orange Quartz With Marcasite Gemstones, Pear Shape, Transparent
Quartz With Marcasite Product Video (586520)

26.01ct Reddish Orange Quartz With Marcasite, Pear Shape, Transparent
ID: 586520
Weight: 26.01ct
Size: 31.5 x 17.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 171.67
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17.09ct Deep Blue Green Fluorite Gemstones, Oval, Transparent

17.09ct Deep Blue Green Fluorite, Oval, Transparent
ID: 634020
Weight: 17.09ct
Size: 17.1 x 14.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 51.89
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5.04ct Golden Citrine Gemstones, Oval, VVS-VS

5.04ct Golden Citrine, Oval, VVS-VS
ID: 560342
Weight: 5.04ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.57
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2.59ct Reddish Orange Hessonite Garnet Gemstones, Emerald Cut, VS

2.59ct Reddish Orange Hessonite Garnet, Emerald Cut, VS
ID: 431523
Weight: 2.59ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 61.54
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32.68ct Multicolor Labradorite Gemstones, Oval, Opaque

32.68ct Multicolor Labradorite, Oval, Opaque
ID: 694383
Weight: 32.68ct
Size: 29.5 x 20.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.29
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1.48ct Medium-Dark Orange Hessonite Garnet Gemstones, Oval, VS

1.48ct Medium-Dark Orange Hessonite Garnet, Oval, VS
ID: 617531
Weight: 1.48ct
Size: 7.7 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 31.46
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4.76ctw Lively Green Tsavorite Garnet Gemstones, Round, VS
Tsavorite Garnet Product Video (451557)

4.76ctw Lively Green Tsavorite Garnet, Round, VS
ID: 451557
Weight: 4.76ct (total)
Size: 2.3 mm (calibrated)
Clarity: VS
Content: 100 pcs
Price: $ 251.33
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4.64ct Medium Yellow Apatite Gemstones, Emerald Cut, VS

4.64ct Medium Yellow Apatite, Emerald Cut, VS
ID: 439310
Weight: 4.64ct
Size: 9.5 x 9.4 mm
Clarity: VS
Content: 1 pc
Price: $ 287.87
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1.88ctw Multicolor Opal Gemstones, Oval, Transparent

1.88ctw Multicolor Opal, Oval, Transparent
ID: 462637
Weight: 1.88ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 99.26
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1.90ctw Warm Green Demantoid Garnet Gemstones, Oval, VS
Demantoid Garnet Product Video (461514)

1.90ctw Warm Green Demantoid Garnet, Oval, VS
ID: 461514
Weight: 1.90ct (total)
Size: 5 x 4.2 mm
Clarity: VS
Content: 4 pcs
Price: $ 250.80
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38.66ctw Medium Green Seraphinite Gemstones, Sphere / Ball, Opaque
Seraphinite Product Video (447347)

38.66ctw Medium Green Seraphinite, Sphere / Ball, Opaque
ID: 447347
Weight: 38.66ct (total)
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 76.55
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32.77ct Black with Bronze Feather Pyrite Gemstones, Oval, Opaque

32.77ct Black with Bronze Feather Pyrite, Oval, Opaque
ID: 736596
Weight: 32.77ct
Size: 28.2 x 19.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.80
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5.35ct Light Grey Star Sapphire Gemstones, Oval, Opaque
Star Sapphire Product Video (470839)

5.35ct Light Grey Star Sapphire, Oval, Opaque
ID: 470839
Weight: 5.35ct
Size: 9.5 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 224.70
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3.47ct Deep Violet Amethyst Gemstones, Pear Shape, VVS

3.47ct Deep Violet Amethyst, Pear Shape, VVS
ID: 460425
Weight: 3.47ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 32.06
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21.52ctw Multicolor Fossil Coral Gemstones, Oval, Opaque

21.52ctw Multicolor Fossil Coral, Oval, Opaque
ID: 605904
Weight: 21.52ct (total)
Size: 18.4 x 12.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 33.52
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1.49ctw Scarlet Red Tone Rhodolite Garnet Gemstones, Square, VS

1.49ctw Scarlet Red Tone Rhodolite Garnet, Square, VS
ID: 431708
Weight: 1.49ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 15.72
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3.72ctw Reddish Orange Hessonite Garnet Gemstones, Square, VS-SI

3.72ctw Reddish Orange Hessonite Garnet, Square, VS-SI
ID: 392910
Weight: 3.72ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 98.21
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32.69ct Dark Brown Moonstone Gemstones, Oval, Opaque

32.69ct Dark Brown Moonstone, Oval, Opaque
ID: 401453
Weight: 32.69ct
Size: 22.2 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.73
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1.43ct Warm Brown Smoky Quartz Gemstones, Baguette, VVS

1.43ct Warm Brown Smoky Quartz, Baguette, VVS
ID: 644282
Weight: 1.43ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.01
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0.67ct Deep Brownish Orange Zircon Gemstones, Oval, VVS

0.67ct Deep Brownish Orange Zircon, Oval, VVS
ID: 726863
Weight: 0.67ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.06
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1.95ctw Multicolor Andalusite Gemstones, Oval, VS

1.95ctw Multicolor Andalusite, Oval, VS
ID: 390519
Weight: 1.95ct (total)
Size: 4.1 x 3.1 mm
Clarity: VS
Content: 10 pcs
Price: $ 125.51
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3.48ct Black Star Diopside Gemstones, Round, Opaque

3.48ct Black Star Diopside, Round, Opaque
ID: 734951
Weight: 3.48ct
Size: 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.40
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10.21ctw Deep Golden Orange Citrine Gemstones, Oval, VVS-VS

10.21ctw Deep Golden Orange Citrine, Oval, VVS-VS
ID: 560679
Weight: 10.21ct (total)
Size: 12.5 x 10.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 94.34
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1.16ct Very Light Yellow Color-Change Diaspore Gemstones, Cushion, VVS-VS

1.16ct Very Light Yellow Color-Change Diaspore, Cushion, VVS-VS
ID: 394630
Weight: 1.16ct
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 57.02
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15.54ct Flamingo Pink Rose Quartz Gemstones, Flower Cut, Transparent

15.54ct Flamingo Pink Rose Quartz, Flower Cut, Transparent
ID: 485182
Weight: 15.54ct
Size: 19.4 x 19.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 41.03
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5.72ct Medium Violet Amethyst Gemstones, Pear Shape, VVS

5.72ct Medium Violet Amethyst, Pear Shape, VVS
ID: 459836
Weight: 5.72ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 52.85
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2.17ctw Multicolor Andalusite Gemstones, Oval, VS

2.17ctw Multicolor Andalusite, Oval, VS
ID: 390593
Weight: 2.17ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 8 pcs
Price: $ 139.67
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FAQs

What are loose untreated gemstones?

Loose untreated gemstones are natural stones that have not undergone any artificial treatments or enhancements. Examples include unheated sapphires, untreated rubies, and unenhanced diamonds, which maintain their natural beauty and originality.

Why should I choose untreated gemstones over treated ones?

Untreated gemstones, such as unheated topaz and virgin untreated stones, are valued for their authenticity and rarity. These certified untreated gems are perfect for collectors and those seeking ethically sourced, natural stones for unique jewelry designs.

Are untreated gemstones suitable for engagement rings?

Yes, untreated gemstones like GIA-certified natural gems, unenhanced diamonds, and untreated rubies are excellent choices for engagement rings. They offer timeless elegance and are ideal for creating one-of-a-kind designs that reflect personal style.

What makes rare untreated gems valuable for collectors?

Rare untreated gems for collectors, such as authentic untreated crystals and unheated and untreated stones, are prized for their natural appearance and limited availability. Their untouched state makes them highly desirable and a great investment.

How can I ensure the quality of loose untreated gemstones?

Always choose certified untreated gems, like GIA-certified natural gems, to guarantee authenticity and quality. These stones undergo thorough evaluation to ensure they meet the highest standards, making them ideal for both personal collections and jewelry projects.

What types of untreated gemstones are available?

Our collection includes a variety of untreated gemstones such as unheated sapphires, untreated rubies, unenhanced diamonds, and unheated topaz. Each stone is carefully selected to offer unmatched quality and natural beauty.

Are untreated gemstones more expensive than treated ones?

In many cases, untreated gemstones, like precious untreated gemstones and virgin untreated stones, can be more valuable due to their rarity and natural state. Their unique characteristics make them highly sought after by collectors and jewelry enthusiasts.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.

Posted By Razormane in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate
Enlarged Gemstone Image