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

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33.12ct Greyish White Howlite Gemstones, Round, Opaque

33.12ct Greyish White Howlite, Round, Opaque
ID: 650425
Weight: 33.12ct
Size: 27.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.87
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110.64ct Orange Brown Druzy Citrine Gemstones, Oval, Opaque
Druzy Citrine Product Video (690246)

110.64ct Orange Brown Druzy Citrine, Oval, Opaque
ID: 690246
Weight: 110.64ct
Size: 39.1 x 31.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 65.00
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12.71ct Multicolor Fire Agate Gemstones, Fancy, Opaque
Fire Agate Product Video (584124)

12.71ct Multicolor Fire Agate, Fancy, Opaque
ID: 584124
Weight: 12.71ct
Size: 23.3 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.10
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5.48ct Reddish Orange Spessartite Garnet Gemstones, Oval, Translucent
Spessartite Garnet Product Video (424330)

5.48ct Reddish Orange Spessartite Garnet, Oval, Translucent
ID: 424330
Weight: 5.48ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 171.24
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5.89ct Medium Brown Cat's Eye Opal Gemstones, Oval, Translucent

5.89ct Medium Brown Cat's Eye Opal, Oval, Translucent
ID: 484392
Weight: 5.89ct
Size: 13.7 x 10.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 38.88
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11.87ct Baby Blue Aquamarine Gemstones, Emerald Cut, VVS
Aquamarine Product Video (450371)

11.87ct Baby Blue Aquamarine, Emerald Cut, VVS
ID: 450371
Weight: 11.87ct
Size: 17.4 x 10 mm
Clarity: VVS
Content: 1 pc
Price: $ 3,561.00
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9.78ct Dark Brown Smoky Quartz Gemstones, Round, VVS-VS

9.78ct Dark Brown Smoky Quartz, Round, VVS-VS
ID: 513383
Weight: 9.78ct
Size: 14 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.72
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46.95ct Multicolor Rhodochrosite Gemstones, Oval, Opaque
Rhodochrosite Product Video (391982)

46.95ct Multicolor Rhodochrosite, Oval, Opaque
ID: 391982
Weight: 46.95ct
Size: 26.9 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 123.95
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11.59ct Light Coffee Brown Smoky Quartz Gemstones, Emerald Cut, VVS

11.59ct Light Coffee Brown Smoky Quartz, Emerald Cut, VVS
ID: 601429
Weight: 11.59ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 56.30
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1.93ct Medium Yellow Sphene Gemstones, Pear Shape, VS
Sphene Product Video (381726)

1.93ct Medium Yellow Sphene, Pear Shape, VS
ID: 381726
Weight: 1.93ct
Size: 9.4 x 6.8 mm
Clarity: VS
Content: 1 pc
Price: $ 191.63
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0.17ct Lemon Yellow Diamond Gemstones, Round, VS-SI
Diamond Product Video (543913)

0.17ct Lemon Yellow Diamond, Round, VS-SI
ID: 543913
Weight: 0.17ct
Size: 3.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 369.49
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0.74ct Hickory Brown Color-Change Garnet Gemstones, Oval, VS

0.74ct Hickory Brown Color-Change Garnet, Oval, VS
ID: 218146
Weight: 0.74ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 97.68
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6.64ct Light Earthy Green Apatite Gemstones, Emerald Cut, VS
Apatite Product Video (399657)

6.64ct Light Earthy Green Apatite, Emerald Cut, VS
ID: 399657
Weight: 6.64ct
Size: 11 x 11 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 419.84
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24.86ctw Multicolor Fossil Coral Gemstones, Cushion, Opaque

24.86ctw Multicolor Fossil Coral, Cushion, Opaque
ID: 514179
Weight: 24.86ct (total)
Size: 18.7 x 12.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 64.97
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1.08ct Yellowish Green Peridot Gemstones, Pear Shape, VS
Peridot Product Video (526451)

1.08ct Yellowish Green Peridot, Pear Shape, VS
ID: 526451
Weight: avg. 1.08 ct / each
Size: 8 x 6 mm (calibrated)
Clarity: VS
Price: $ 18.66
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1.14ct Medium Pink Morganite Gemstones, Pear Shape, VVS-VS
Morganite Product Video (478160)

1.14ct Medium Pink Morganite, Pear Shape, VVS-VS
ID: 478160
Weight: 1.14ct
Size: 9.9 x 6.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 125.40
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0.55ct Golden Yellow Sphalerite Gemstones, Fancy, SI

0.55ct Golden Yellow Sphalerite, Fancy, SI
ID: 700189
Weight: 0.55ct
Size: 6.1 x 4.2 mm
Clarity: SI
Content: 1 pc
Price: $ 33.00
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6.82ct Multicolor Fire Agate Gemstones, Fancy, Translucent

6.82ct Multicolor Fire Agate, Fancy, Translucent
ID: 584666
Weight: 6.82ct
Size: 12.7 x 11.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 64.45
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36.98ct Green and Red Bloodstone Gemstones, Cushion, Opaque

36.98ct Green and Red Bloodstone, Cushion, Opaque
ID: 685920
Weight: 36.98ct
Size: 31 x 25.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.97
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10.06ct Cool Green Amazonite Gemstones, Marquise, Opaque

10.06ct Cool Green Amazonite, Marquise, Opaque
ID: 492171
Weight: 10.06ct
Size: 20.1 x 10.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.08
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40.40ctw Multicolor Fossil Coral Gemstones, Pear Shape, Opaque
Fossil Coral Product Video (514339)

40.40ctw Multicolor Fossil Coral, Pear Shape, Opaque
ID: 514339
Weight: 40.40ct (total)
Size: 25.1 x 16.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 105.59
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1.61ct Medium Yellow Sillimanite Gemstones, Oval, VS

1.61ct Medium Yellow Sillimanite, Oval, VS
ID: 411769
Weight: 1.61ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 61.99
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92.02ct Multicolor Jasper Gemstones, Oval, Opaque

92.02ct Multicolor Jasper, Oval, Opaque
ID: 586470
Weight: 92.02ct
Size: 58.6 x 33.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 54.66
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1.01ct Multicolor Chocolate Opal Gemstones, Oval, Translucent

1.01ct Multicolor Chocolate Opal, Oval, Translucent
ID: 572774
Weight: 1.01ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.00
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0.87ct Warm Green Sphene Gemstones, Emerald Cut, VS

0.87ct Warm Green Sphene, Emerald Cut, VS
ID: 510776
Weight: 0.87ct
Size: 8 x 4.2 mm
Clarity: VS
Content: 1 pc
Price: $ 44.89
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15.82ctw Black Spinel Gemstones, Round, Opaque

15.82ctw Black Spinel, Round, Opaque
ID: 438431
Weight: 15.82ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 62.65
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12.25ct Deep Green Tourmaline Gemstones, Oval, VVS-VS
Tourmaline Product Video (416463)

12.25ct Deep Green Tourmaline, Oval, VVS-VS
ID: 416463
Weight: 12.25ct
Size: 15.7 x 12.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 2,450.00
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20.93ct Dark Green Maw-Sit-Sit Gemstones, Square, Opaque

20.93ct Dark Green Maw-Sit-Sit, Square, Opaque
ID: 476877
Weight: 20.93ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 82.88
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29.21ct Light Purplish Blue Chalcedony Gemstones, Cushion, Opaque

29.21ct Light Purplish Blue Chalcedony, Cushion, Opaque
ID: 694297
Weight: 29.21ct
Size: 33.6 x 18.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.03
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19.85ct Multicolor Pietersite Gemstones, Oval, Opaque

19.85ct Multicolor Pietersite, Oval, Opaque
ID: 350666
Weight: 19.85ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 104.81
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23.85ct Light Sky Blue Chalcedony Gemstones, Cushion, Opaque

23.85ct Light Sky Blue Chalcedony, Cushion, Opaque
ID: 694114
Weight: 23.85ct
Size: 24.4 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 71.56
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1.69ct Medium Orange Sphalerite Gemstones, Trillion, SI

1.69ct Medium Orange Sphalerite, Trillion, SI
ID: 720241
Weight: 1.69ct
Size: 7.3 x 7.1 mm
Clarity: SI
Content: 1 pc
Price: $ 101.40
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26.62ct Medium Grey Hematite Gemstones, Pear Shape, Opaque

26.62ct Medium Grey Hematite, Pear Shape, Opaque
ID: 555570
Weight: 26.62ct
Size: 22.4 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.33
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2.65ct Medium Yellow Sphene Gemstones, Oval, VS-SI
Sphene Product Video (526855)

2.65ct Medium Yellow Sphene, Oval, VS-SI
ID: 526855
Weight: 2.65ct
Size: 8.8 x 7.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 192.40
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27.37ct Green and Red Bloodstone Gemstones, Oval, Opaque

27.37ct Green and Red Bloodstone, Oval, Opaque
ID: 693193
Weight: 27.37ct
Size: 37.2 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.11
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1.46ct Very Light Pinkish Purple Spinel Gemstones, Cushion, VS

1.46ct Very Light Pinkish Purple Spinel, Cushion, VS
ID: 490136
Weight: 1.46ct
Size: 6.8 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 129.52
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28.35ct Black with Blue Sparkle Nuummite Gemstones, Cushion, Opaque
Nuummite Product Video (645365)

28.35ct Black with Blue Sparkle Nuummite, Cushion, Opaque
ID: 645365
Weight: 28.35ct
Size: 22.8 x 17.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 140.16
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7.22ct Warm Brown Smoky Quartz Gemstones, Marquise, VS

7.22ct Warm Brown Smoky Quartz, Marquise, VS
ID: 601423
Weight: 7.22ct
Size: 17.1 x 12 mm
Clarity: VS
Content: 1 pc
Price: $ 35.08
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13.66ct Lilac Kunzite Gemstones, Pear Shape, VVS-VS
Kunzite Product Video (693497)

13.66ct Lilac Kunzite, Pear Shape, VVS-VS
ID: 693497
Weight: 13.66ct
Size: 16.9 x 10.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 452.92
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9.97ct Umber Brown Smoky Quartz Gemstones, Emerald Cut, VVS-VS

9.97ct Umber Brown Smoky Quartz, Emerald Cut, VVS-VS
ID: 394684
Weight: 9.97ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 65.81
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2.47ct Medium Green Sphene Gemstones, Oval, VS-SI
Sphene Product Video (526850)

2.47ct Medium Green Sphene, Oval, VS-SI
ID: 526850
Weight: 2.47ct
Size: 8.8 x 7.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 149.44
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9.90ct Multicolor Rainbow Pyrite Gemstones, Fancy, Opaque

9.90ct Multicolor Rainbow Pyrite, Fancy, Opaque
ID: 651041
Weight: 9.90ct
Size: 18.4 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.94
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8.20ct Autumn Yellow Apatite Gemstones, Oval, VS-SI
Apatite Product Video (407296)

8.20ct Autumn Yellow Apatite, Oval, VS-SI
ID: 407296
Weight: 8.20ct
Size: 15.2 x 11.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 448.87
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56.33ct Multicolor Rhodochrosite Gemstones, Pear Shape, Translucent
Rhodochrosite Product Video (548707)

56.33ct Multicolor Rhodochrosite, Pear Shape, Translucent
ID: 548707
Weight: 56.33ct
Size: 37.5 x 23.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 89.23
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5.59ct Clear with Brown Rutile Quartz Gemstones, Round, Transparent

5.59ct Clear with Brown Rutile Quartz, Round, Transparent
ID: 566715
Weight: 5.59ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.90
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14.98ct Greenish Blue Grandidierite Gemstones, Oval, SI-I1
Grandidierite Product Video (568868)

14.98ct Greenish Blue Grandidierite, Oval, SI-I1
ID: 568868
Weight: 14.98ct
Size: 17.5 x 14.6 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 810.72
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2.65ct Lively Green Peridot Gemstones, Cushion, VS-SI
Peridot Product Video (334346)

2.65ct Lively Green Peridot, Cushion, VS-SI
ID: 334346
Weight: 2.65ct
Size: 10 x 8 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 104.94
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2.54ct Lively Green Peridot Gemstones, Cushion, VS

2.54ct Lively Green Peridot, Cushion, VS
ID: 334164
Weight: 2.54ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 100.58
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2.10ct Light Tiger Orange Sunstone Gemstones, Round, Translucent

2.10ct Light Tiger Orange Sunstone, Round, Translucent
ID: 482245
Weight: 2.10ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.14
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6.48ct Medium Green Actinolite Cat's Eye Gemstones, Oval, Translucent

6.48ct Medium Green Actinolite Cat's Eye, Oval, Translucent
ID: 485915
Weight: 6.48ct
Size: 14.8 x 11.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 54.43
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20.10ct Multicolor Boulder Opal Gemstones, Cushion, Opaque

20.10ct Multicolor Boulder Opal, Cushion, Opaque
ID: 679248
Weight: 20.10ct
Size: 21.1 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.60
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24.76ct Dark Green Bloodstone Gemstones, Oval, Opaque

24.76ct Dark Green Bloodstone, Oval, Opaque
ID: 645452
Weight: 24.76ct
Size: 18.6 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.42
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14.70ct Very Light Golden-Brown Rutile Quartz Gemstones, Pear Shape, Transparent

14.70ct Very Light Golden-Brown Rutile Quartz, Pear Shape, Transparent
ID: 406666
Weight: 14.70ct
Size: 21.3 x 16 mm
Clarity: Transparent
Content: 1 pc
Price: $ 60.35
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39.86ct Multicolor Tiger's Eye Matrix Gemstones, Baguette, Opaque

39.86ct Multicolor Tiger's Eye Matrix, Baguette, Opaque
ID: 693365
Weight: 39.86ct
Size: 21 x 19.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.74
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153.32ct Blush Pink Rose Quartz Gemstones, Oval, Transparent
Rose Quartz Product Video (521477)

153.32ct Blush Pink Rose Quartz, Oval, Transparent
ID: 521477
Weight: 153.32ct
Size: 36.6 x 29.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 404.76
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5.00ct Deep Cognac Diamond Gemstones, Cushion, VS
Diamond Product Video (460455)

5.00ct Deep Cognac Diamond, Cushion, VS
ID: 460455
Weight: 5.00ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11,088.00
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4.33ct Warm Orange Sphalerite Gemstones, Oval, SI-I1
Sphalerite Product Video (690769)

4.33ct Warm Orange Sphalerite, Oval, SI-I1
ID: 690769
Weight: 4.33ct
Size: 11 x 9 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 259.80
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21.58ct Intense Violet Amethyst Gemstones, Cushion, VVS-VS
Amethyst Product Video (680004)

21.58ct Intense Violet Amethyst, Cushion, VVS-VS
ID: 680004
Weight: 21.58ct
Size: 16 x 16 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 207.17
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52.78ct Bubblegum Pink Rose Quartz Gemstones, Oval, Transparent
Rose Quartz Product Video (344385)

52.78ct Bubblegum Pink Rose Quartz, Oval, Transparent
ID: 344385
Weight: 52.78ct
Size: 25 x 21.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 94.06
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8.98ct Light Yellow Star Moonstone Gemstones, Oval, Opaque

8.98ct Light Yellow Star Moonstone, Oval, Opaque
ID: 418129
Weight: 8.98ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 47.41
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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

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
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Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been buying gems for several years off and on and love their selection and great low prices. I started out wanting to get an example of each type of gem but after looking at all the types of gems and reading about them I realize it is almost impossible for me to do. It took me years just to read about them all. Gem Select is the best gem site you can find. For information or to buy. Steve M.

Posted By Stevee M. in January, 2025
Source: Bizrate
Enlarged Gemstone Image