Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones
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Discover loose untreated gemstones in our curated selection. Find unheated sapphires, untreated rubies, and virgin untreated stones, our collection highlights the beauty of nature’s finest treasures. Perfect for engagement rings, heirloom pieces, or collectors, our certified untreated gems and GIA-certified natural gems ensure authenticity and quality. Experience the allure of authentic untreated crystals and precious untreated gemstones today. |
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Bi-color Untreated Gemstones
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Black Untreated Gemstones
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Blue Untreated Gemstones
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Brown Untreated Gemstones
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Golden Untreated Gemstones
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Gray Untreated Gemstones
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Green Untreated Gemstones
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Multicolor Untreated Gemstones
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Orange Untreated Gemstones
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Pink Untreated Gemstones
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Purple Untreated Gemstones
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Red Untreated Gemstones
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Turquoise Untreated Gemstones
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Violet Untreated Gemstones
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White Untreated Gemstones
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Yellow Untreated Gemstones
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Pairs |
Lots |
Faceted |
Cabochons |
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| ID: | 322581 |
| Weight: | 49.22ct |
| Size: | 30.5 x 20.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 59.06 |
| Item in Stock | |
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| ID: | 530666 |
| Weight: | 1.68ct |
| Size: | 6.3 x 6 mm |
| Clarity: | VS |
| Content: | 1 pc |
| Price: | $ 133.06 |
| Item in Stock | |
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| ID: | 682992 |
| Weight: | 24.44ct |
| Size: | 29 x 13.7 mm |
| Clarity: | Transparent |
| Content: | 1 pc |
| Price: | $ 234.62 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 447709 |
| Weight: | 31.05ct |
| Size: | 30 x 22 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 122.96 |
| Item in Stock | |
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| ID: | 394691 |
| Weight: | 8.77ct |
| Size: | 12 x 12 mm (calibrated) |
| Clarity: | VVS-VS |
| Content: | 1 pc |
| Price: | $ 57.89 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 485314 |
| Weight: | 6.68ct |
| Size: | 14 x 14 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 1 pc |
| Price: | $ 35.27 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 487761 |
| Weight: | 16.97ct |
| Size: | 18.6 x 17.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 22.40 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 422944 |
| Weight: | 39.63ct (total) |
| Size: | 14 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 75.85 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 491713 |
| Weight: | 83.94ct (total) |
| Size: | 23 mm |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 98.62 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 602281 |
| Weight: | 1.70ct |
| Size: | 7 mm (calibrated) |
| Clarity: | SI |
| Content: | 1 pc |
| Price: | $ 56.10 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 550359 |
| Weight: | 23.45ct (total) |
| Size: | 20 x 12.7 mm |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 35.28 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 587302 |
| Weight: | 1.73ct |
| Size: | 7.5 mm (calibrated) |
| Clarity: | VVS-VS |
| Content: | 1 pc |
| Price: | $ 159.85 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 378643 |
| Weight: | 1.85ct |
| Size: | 7.5 mm (calibrated) |
| Clarity: | SI |
| Content: | 1 pc |
| Price: | $ 5,772.00 |
| Item in Stock | |
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| ID: | 682432 |
| Weight: | 10.38ct |
| Size: | 16 x 12.7 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 62.28 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 365836 |
| Weight: | 39.03ct |
| Size: | 33.5 x 33.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 77.27 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 528670 |
| Weight: | 35.81ct |
| Size: | 27 x 20 mm (calibrated) |
| Clarity: | Transparent |
| Content: | 1 pc |
| Price: | $ 94.54 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 696110 |
| Weight: | 24.51ct |
| Size: | 33.4 x 19.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 14.71 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 564605 |
| Weight: | 0.36ct |
| Size: | 4.5 mm (calibrated) |
| Clarity: | VS |
| Content: | 1 pc |
| Price: | $ 659.86 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 338882 |
| Weight: | 2.12ct (total) |
| Size: | 6 x 6 mm (calibrated) |
| Clarity: | VS-SI |
| Content: | 2 pcs |
| Price: | $ 97.94 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 675355 |
| Weight: | 169.73ct |
| Size: | 37.3 x 30.3 mm |
| Clarity: | Transparent |
| Content: | 1 pc |
| Price: | $ 4,169.24 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 692951 |
| Weight: | 30.88ct |
| Size: | 23.1 x 21.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 29.64 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 685920 |
| Weight: | 36.98ct |
| Size: | 31 x 25.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 19.97 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 351524 |
| Weight: | 30.70ct |
| Size: | 30 x 22 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 162.10 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 514341 |
| Weight: | 21.24ct (total) |
| Size: | 20.2 x 11 mm |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 55.52 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 521579 |
| Weight: | 23.14ct |
| Size: | 23.8 x 16.1 mm |
| Clarity: | Transparent |
| Content: | 1 pc |
| Price: | $ 183.26 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 410159 |
| Weight: | 11.15ct |
| Size: | 16.8 x 11 mm |
| Clarity: | VVS-VS |
| Content: | 1 pc |
| Price: | $ 345.88 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 447877 |
| Weight: | 33.05ct |
| Size: | 30 x 22 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 130.88 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 271561 |
| Weight: | 9.06ct |
| Size: | 14 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 1 pc |
| Price: | $ 53.82 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 690772 |
| Weight: | 3.36ct |
| Size: | 9.3 x 6.5 mm |
| Clarity: | SI |
| Content: | 1 pc |
| Price: | $ 201.60 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 334417 |
| Weight: | 2.50ct |
| Size: | 8.9 x 7.9 mm |
| Clarity: | VS-SI |
| Content: | 1 pc |
| Price: | $ 99.00 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 691406 |
| Weight: | 45.90ct |
| Size: | 26.1 x 18.6 mm |
| Clarity: | VVS-VS |
| Content: | 1 pc |
| Price: | $ 1,521.86 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 391064 |
| Weight: | 6.71ct |
| Size: | 22.7 x 7.5 mm |
| Clarity: | VS |
| Content: | 1 pc |
| Price: | $ 3,277.16 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 584122 |
| Weight: | 9.86ct |
| Size: | 16.9 x 12.3 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 93.19 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 416858 |
| Weight: | 11.49ct |
| Size: | 14 x 10 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 1 pc |
| Price: | $ 50.56 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 401031 |
| Weight: | 41.53ct |
| Size: | 21.4 x 17.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 82.24 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 449692 |
| Weight: | 5.50ct (total) |
| Size: | 7.4 x 6.2 mm |
| Clarity: | Transparent |
| Content: | 4 pcs |
| Price: | $ 36.30 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 644359 |
| Weight: | 1.50ct |
| Size: | 7 x 7 mm (calibrated) |
| Clarity: | VS |
| Content: | 1 pc |
| Price: | $ 64.91 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 564603 |
| Weight: | 0.31ct |
| Size: | 4.5 mm (calibrated) |
| Clarity: | VS |
| Content: | 1 pc |
| Price: | $ 619.86 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 674102 |
| Weight: | 25.97ct |
| Size: | 24.1 x 17.2 mm |
| Clarity: | Translucent |
| Content: | 1 pc |
| Price: | $ 389.55 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 599541 |
| Weight: | 9.76ct |
| Size: | 18.9 x 13 mm |
| Clarity: | VS |
| Content: | 1 pc |
| Price: | $ 32.21 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 517254 |
| Weight: | 25.48ct |
| Size: | 33.4 x 18.7 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 26.23 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 206335 |
| Weight: | 3.45ct (total) |
| Size: | 6 x 4 mm (calibrated) |
| Clarity: | VS-SI |
| Content: | 9 pcs |
| Price: | $ 204.94 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 660338 |
| Weight: | 27.15ct |
| Size: | 19 mm (calibrated) |
| Clarity: | Translucent |
| Content: | 1 pc |
| Price: | $ 54.57 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 419786 |
| Weight: | 2.64ct |
| Size: | 5.8 x 9.4 mm |
| Clarity: | VS |
| Content: | 1 pc |
| Price: | $ 313.63 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 334346 |
| Weight: | 2.65ct |
| Size: | 10 x 8 mm (calibrated) |
| Clarity: | VS-SI |
| Content: | 1 pc |
| Price: | $ 104.94 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 646735 |
| Weight: | 15.40ct |
| Size: | 22.4 x 16.3 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 9.24 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 422081 |
| Weight: | 1.35ct |
| Size: | 9.5 x 5.5 mm |
| Clarity: | VS-SI |
| Content: | 1 pc |
| Price: | $ 77.88 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 691028 |
| Weight: | 0.49ct |
| Size: | 4.5 mm (calibrated) |
| Clarity: | SI-I1 |
| Content: | 1 pc |
| Price: | $ 29.40 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 262418 |
| Weight: | 0.73ct |
| Size: | 7.1 x 3.5 mm |
| Clarity: | VVS |
| Content: | 1 pc |
| Price: | $ 95.40 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 491639 |
| Weight: | 11.45ct (total) |
| Size: | 10 x 10 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 27.96 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 562611 |
| Weight: | 14.93ct |
| Size: | 16 x 10.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 39.42 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 329378 |
| Weight: | 0.97ct |
| Size: | 6.8 x 4.2 mm |
| Clarity: | VS-SI |
| Content: | 1 pc |
| Price: | $ 103.72 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 711718 |
| Weight: | 33.60ct |
| Size: | 25 mm |
| Clarity: | Translucent |
| Content: | 1 pc |
| Price: | $ 89.51 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 693361 |
| Weight: | 18.42ct |
| Size: | 21.1 x 18.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 12.82 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 484392 |
| Weight: | 5.89ct |
| Size: | 13.7 x 10.5 mm |
| Clarity: | Translucent |
| Content: | 1 pc |
| Price: | $ 38.88 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 447532 |
| Weight: | 2.36ct |
| Size: | 9.1 x 6.4 mm |
| Clarity: | VS |
| Content: | 1 pc |
| Price: | $ 101.78 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 382046 |
| Weight: | 1.32ct |
| Size: | 8.3 x 5.4 mm |
| Clarity: | SI |
| Content: | 1 pc |
| Price: | $ 3,095.53 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 668712 |
| Weight: | 23.18ct |
| Size: | 16 x 16 mm (calibrated) |
| Clarity: | Transparent |
| Content: | 1 pc |
| Price: | $ 500.69 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 691067 |
| Weight: | 0.86ct |
| Size: | 5.8 x 5.6 mm |
| Clarity: | SI-I1 |
| Content: | 1 pc |
| Price: | $ 51.60 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 651040 |
| Weight: | 10.16ct |
| Size: | 22.3 x 15.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 43.03 |
| Item in Stock | |
| More Options & Item Details | |
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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 
I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.
Posted By Desertchick in March, 2025
Source: Bizrate
Overall Rating -> 10
First time so this is an experiment! Shopping is so fun on this site, though!
Posted By Gem Delight in March, 2025
Source: Bizrate
Overall Rating -> 9 
I did not have any problems
Posted By Clilrichard in January, 2025
Source: Bizrate
Overall Rating -> 10
I was able to find what I was looking for
Posted By Lincolnpremier in January, 2025
Source: Bizrate
Overall Rating -> 10
I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar
Posted By TheP in January, 2025
Source: Bizrate
Overall Rating -> 10
Excellent selection and easy to use, well done site
Posted By Steph in December, 2024
Source: Bizrate
Overall Rating -> 10
Its been a long time since Ive made any purchases Im satisfied with the quality.
Posted By Hard Case in December, 2024
Source: Bizrate
Overall Rating -> 10
I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...
Posted By RED in January, 2025
Source: Bizrate
Overall Rating -> 10
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
