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

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0.14ctw Black Diamond Gemstones, Square, Opaque

0.14ctw Black Diamond, Square, Opaque
ID: 677817
Weight: 0.14ct (total)
Size: 2.2 x 2.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 84.00
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4.73ct Medium Yellow Apatite Gemstones, Pear Shape, VS
Apatite Product Video (398223)

4.73ct Medium Yellow Apatite, Pear Shape, VS
ID: 398223
Weight: 4.73ct
Size: 15.1 x 9.4 mm
Clarity: VS
Content: 1 pc
Price: $ 156.10
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0.87ct Multicolor Opal Gemstones, Round, Transparent
Opal Product Video (540981)

0.87ct Multicolor Opal, Round, Transparent
ID: 540981
Weight: avg. 0.87 ct / each
Size: 7 mm (calibrated)
Clarity: Transparent
Price: $ 21.71
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69.17ctw Greyish White Howlite Gemstones, Sphere / Ball, Opaque
Howlite Product Video (422984)

69.17ctw Greyish White Howlite, Sphere / Ball, Opaque
ID: 422984
Weight: 69.17ct (total)
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 3 pcs
Price: $ 73.04
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45.23ct Seaweed Green Serpentine Gemstones, Pear Shape, Translucent
Serpentine Product Video (671542)

45.23ct Seaweed Green Serpentine, Pear Shape, Translucent
ID: 671542
Weight: 45.23ct
Size: 39.3 x 27.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 116.69
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43.72ct Greyish Blue Green Cat's Eye Aquamarine Gemstones, Oval, Translucent
Cat's Eye Aquamarine Product Video (403262)

43.72ct Greyish Blue Green Cat's Eye Aquamarine, Oval, Translucent
ID: 403262
Weight: 43.72ct
Size: 22 x 19 mm
Clarity: Translucent
Content: 1 pc
Price: $ 807.95
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0.17ct Medium-Light Yellow Diamond Gemstones, Round, VS
Diamond Product Video (543902)

0.17ct Medium-Light Yellow Diamond, Round, VS
ID: 543902
Weight: 0.17ct
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 369.49
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7.26ct Green Malachite Gemstones, Baguette, Opaque

7.26ct Green Malachite, Baguette, Opaque
ID: 559441
Weight: 7.26ct
Size: 11.6 x 7.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.03
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1.18ct Light Yellow Color-Change Diaspore Gemstones, Emerald Cut, VS

1.18ct Light Yellow Color-Change Diaspore, Emerald Cut, VS
ID: 548283
Weight: 1.18ct
Size: 6.2 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 66.42
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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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1.15ct Lemon Yellow Chrysoberyl Gemstones, Pear Shape, VVS

1.15ct Lemon Yellow Chrysoberyl, Pear Shape, VVS
ID: 366580
Weight: 1.15ct
Size: 8.6 x 5.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 161.47
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11.78ctw Multicolor Tourmaline Gemstones, Fancy, Transparent
Tourmaline Product Video (690541)

11.78ctw Multicolor Tourmaline, Fancy, Transparent
ID: 690541
Weight: 11.78ct (total)
Size: 20.1 x 9.5 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 276.64
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8.87ctw Black Cat's Eye Scapolite Gemstones, Oval, Translucent
Cat's Eye Scapolite Product Video (484137)

8.87ctw Black Cat's Eye Scapolite, Oval, Translucent
ID: 484137
Weight: 8.87ct (total)
Size: 9.1 x 8.6 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 58.55
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15.10ct Bright Blue Color-Change Fluorite Gemstones, Round, VS
Color-Change Fluorite Product Video (413697)

15.10ct Bright Blue Color-Change Fluorite, Round, VS
ID: 413697
Weight: 15.10ct
Size: 15 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 498.30
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9.38ct Light Greenish Blue Larimar Gemstones, Pear Shape, Opaque

9.38ct Light Greenish Blue Larimar, Pear Shape, Opaque
ID: 673941
Weight: 9.38ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 112.46
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10.85ct Light Rose Pink Strawberry Quartz Gemstones, Oval, Translucent

10.85ct Light Rose Pink Strawberry Quartz, Oval, Translucent
ID: 532233
Weight: 10.85ct
Size: 14 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 78.78
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0.87ctw Medium Light Green Demantoid Garnet Gemstones, Oval, VS-SI
Demantoid Garnet Product Video (284163)

0.87ctw Medium Light Green Demantoid Garnet, Oval, VS-SI
ID: 284163
Weight: 0.87ct (total)
Size: 4.8 x 3.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 130.68
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17.82ct Medium Pink Kunzite Gemstones, Oval, VVS-VS
Kunzite Product Video (693510)

17.82ct Medium Pink Kunzite, Oval, VVS-VS
ID: 693510
Weight: 17.82ct
Size: 17 x 15.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 590.84
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1.32ct Dark Orange Sphalerite Gemstones, Emerald Cut, I1

1.32ct Dark Orange Sphalerite, Emerald Cut, I1
ID: 690766
Weight: 1.32ct
Size: 7 x 5 mm (calibrated)
Clarity: I1
Content: 1 pc
Price: $ 79.20
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82.01ct Black with Blue Sparkle Nuummite Gemstones, Cushion, Opaque
Nuummite Product Video (524807)

82.01ct Black with Blue Sparkle Nuummite, Cushion, Opaque
ID: 524807
Weight: 82.01ct
Size: 34.3 x 27.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 356.15
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33.38ctw Multicolor Fossil Coral Gemstones, Cushion, Opaque

33.38ctw Multicolor Fossil Coral, Cushion, Opaque
ID: 605441
Weight: 33.38ct (total)
Size: 20.6 x 13.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 43.33
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28.92ct Grayish White Jadeite Gemstones, Fancy, Translucent

28.92ct Grayish White Jadeite, Fancy, Translucent
ID: 485062
Weight: 28.92ct
Size: 37.5 x 14 mm
Clarity: Translucent
Content: 1 pc
Price: $ 63.37
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5.04ct Reddish Orange Sphalerite Gemstones, Emerald Cut, SI-I1
Sphalerite Product Video (690765)

5.04ct Reddish Orange Sphalerite, Emerald Cut, SI-I1
ID: 690765
Weight: 5.04ct
Size: 11 x 7.4 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 302.40
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10.69ct Light Grey Star Sapphire Gemstones, Oval, Opaque
Star Sapphire Product Video (470842)

10.69ct Light Grey Star Sapphire, Oval, Opaque
ID: 470842
Weight: 10.69ct
Size: 11.7 x 11.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 448.98
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24.26ctw Multicolor Pietersite Gemstones, Oval, Opaque
Pietersite Product Video (602229)

24.26ctw Multicolor Pietersite, Oval, Opaque
ID: 602229
Weight: 24.26ct (total)
Size: 25.6 x 16.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 107.55
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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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45.71ct Gold Pyrite Gemstones, Marquise, Opaque

45.71ct Gold Pyrite, Marquise, Opaque
ID: 486785
Weight: 45.71ct
Size: 37.9 x 18.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.37
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23.45ctw Multicolor Fossil Coral Gemstones, Oval, Opaque

23.45ctw Multicolor Fossil Coral, Oval, Opaque
ID: 550359
Weight: 23.45ct (total)
Size: 20 x 12.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 35.28
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8.89ct Medium Green Blue Grandidierite Gemstones, Oval, SI-I1
Grandidierite Product Video (568863)

8.89ct Medium Green Blue Grandidierite, Oval, SI-I1
ID: 568863
Weight: 8.89ct
Size: 14 x 12 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 481.13
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22.12ct Multicolor Boulder Opal Gemstones, Oval, Opaque

22.12ct Multicolor Boulder Opal, Oval, Opaque
ID: 634610
Weight: 22.12ct
Size: 27.5 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 185.81
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38.51ct Pear Green Fluorite Gemstones, Round, Transparent
Fluorite Product Video (597474)

38.51ct Pear Green Fluorite, Round, Transparent
ID: 597474
Weight: 38.51ct
Size: 20 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 84.72
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28.16ct Multicolor Pietersite Gemstones, Pear Shape, Opaque
Pietersite Product Video (351543)

28.16ct Multicolor Pietersite, Pear Shape, Opaque
ID: 351543
Weight: 28.16ct
Size: 29 x 19.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 123.90
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43.66ct White with Black Dendritic Agate Gemstones, Pear Shape, Opaque

43.66ct White with Black Dendritic Agate, Pear Shape, Opaque
ID: 693545
Weight: 43.66ct
Size: 43.3 x 22.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.20
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1.22ct Light Yellow Chrysoberyl Gemstones, Oval, VVS

1.22ct Light Yellow Chrysoberyl, Oval, VVS
ID: 366640
Weight: 1.22ct
Size: 7.8 x 5.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 171.30
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4.85ctw Translucent White Moonstone Gemstones, Oval, Translucent

4.85ctw Translucent White Moonstone, Oval, Translucent
ID: 460268
Weight: 4.85ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 64.02
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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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71.86ct Black with Gold Sheen Obsidian Gemstones, Oval, Opaque
Obsidian Product Video (447906)

71.86ct Black with Gold Sheen Obsidian, Oval, Opaque
ID: 447906
Weight: 71.86ct
Size: 43.1 x 31 mm
Clarity: Opaque
Content: 1 pc
Price: $ 86.23
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2.53ct Navy Blue Kyanite Gemstones, Round, SI

2.53ct Navy Blue Kyanite, Round, SI
ID: 602278
Weight: 2.53ct
Size: 8 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 83.50
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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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7.12ct Medium Green Amazonite Gemstones, Marquise, Opaque

7.12ct Medium Green Amazonite, Marquise, Opaque
ID: 492108
Weight: 7.12ct
Size: 19.7 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.58
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5.47ctw Chocolate Brown Smoky Quartz Gemstones, Oval, VVS

5.47ctw Chocolate Brown Smoky Quartz, Oval, VVS
ID: 632806
Weight: 5.47ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 39.38
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21.85ct Multicolor Amethyst Geode Slice Gemstones, Fancy, Transparent

21.85ct Multicolor Amethyst Geode Slice, Fancy, Transparent
ID: 684243
Weight: 21.85ct
Size: 24 x 21.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 28.06
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84.82ct Multicolor Jasper Gemstones, Oval, Opaque

84.82ct Multicolor Jasper, Oval, Opaque
ID: 470775
Weight: 84.82ct
Size: 41.6 x 31.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 81.79
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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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31.32ct Schorl Tourmaline Gemstones, Emerald Cut, Opaque

31.32ct Schorl Tourmaline, Emerald Cut, Opaque
ID: 668517
Weight: 31.32ct
Size: 25 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 156.60
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1.27ct Yellow Beige Color-Change Diaspore Gemstones, Emerald Cut, SI

1.27ct Yellow Beige Color-Change Diaspore, Emerald Cut, SI
ID: 390040
Weight: 1.27ct
Size: 12.1 x 3.9 mm
Clarity: SI
Content: 1 pc
Price: $ 82.27
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24.49ct Light Purplish Blue Chalcedony Gemstones, Cushion, Opaque

24.49ct Light Purplish Blue Chalcedony, Cushion, Opaque
ID: 694259
Weight: 24.49ct
Size: 21 x 20.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.48
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1.11ct Earthy Green Sphene Gemstones, Cushion, VS-SI

1.11ct Earthy Green Sphene, Cushion, VS-SI
ID: 513362
Weight: 1.11ct
Size: 6 x 5.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 80.59
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8.99ctw Medium Pink Strawberry Quartz Gemstones, Oval, Transparent

8.99ctw Medium Pink Strawberry Quartz, Oval, Transparent
ID: 608426
Weight: 8.99ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 166.14
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10.12ct Lilac Kunzite Gemstones, Oval, VS
Kunzite Product Video (409936)

10.12ct Lilac Kunzite, Oval, VS
ID: 409936
Weight: 10.12ct
Size: 17.7 x 10.1 mm
Clarity: VS
Content: 1 pc
Price: $ 345.31
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63.42ct Multicolor Rhodonite Gemstones, Fancy, Opaque
Rhodonite Product Video (690743)

63.42ct Multicolor Rhodonite, Fancy, Opaque
ID: 690743
Weight: 63.42ct
Size: 25.7 x 22.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.02
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20.80ct Multicolor Boulder Opal Gemstones, Fancy, Opaque

20.80ct Multicolor Boulder Opal, Fancy, Opaque
ID: 522410
Weight: 20.80ct
Size: 32.3 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 137.28
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52.11ct Multicolor Jasper Gemstones, Oval, Translucent
Jasper Product Video (433014)

52.11ct Multicolor Jasper, Oval, Translucent
ID: 433014
Weight: 52.11ct
Size: 37.9 x 28.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 62.53
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86.48ct Multicolor Moss Agate Gemstones, Cushion, Translucent
Moss Agate Product Video (695012)

86.48ct Multicolor Moss Agate, Cushion, Translucent
ID: 695012
Weight: 86.48ct
Size: 43.7 x 36.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 83.02
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2.53ct Light Yellow Golden Beryl Gemstones, Oval, VVS

2.53ct Light Yellow Golden Beryl, Oval, VVS
ID: 619781
Weight: 2.53ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 83.50
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8.20ct Light Rose Pink Rose Quartz Gemstones, Emerald Cut, Transparent

8.20ct Light Rose Pink Rose Quartz, Emerald Cut, Transparent
ID: 392385
Weight: 8.20ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 54.12
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0.31ct Earthy Green Kornerupine Gemstones, Oval, VS-SI

0.31ct Earthy Green Kornerupine, Oval, VS-SI
ID: 638167
Weight: 0.31ct
Size: 4.7 x 3.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 31.99
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55.96ct Multicolor Jasper Gemstones, Oval, Opaque

55.96ct Multicolor Jasper, Oval, Opaque
ID: 348787
Weight: 55.96ct
Size: 43.2 x 22.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.87
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56.79ct Multicolor Rainbow Pyrite Gemstones, Fancy, Opaque
Rainbow Pyrite Product Video (645836)

56.79ct Multicolor Rainbow Pyrite, Fancy, Opaque
ID: 645836
Weight: 56.79ct
Size: 34.8 x 17.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 177.18
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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

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life

Posted By Kickbass.2 in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
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Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
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Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
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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 -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 2025
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
Enlarged Gemstone Image