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
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Black
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Blue
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Brown
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Golden
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Gray
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Green Untreated Gemstones
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Multicolor Untreated Gemstones
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Orange
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Pink
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Purple
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Red
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Turquoise Untreated Gemstones
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Violet
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White
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Yellow
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
| ID: | 637207 |
| Weight: | 8.44ct |
| Size: | 21.5 x 12.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 40.51 |
| Item in Stock | |
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| ID: | 724936 |
| Weight: | 24.85ct |
| Size: | 25 x 18 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 89.46 |
| Item in Stock | |
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| ID: | 725200 |
| Weight: | 82.19ct |
| Size: | 33 x 28.5 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 295.88 |
| Item in Stock | |
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| ID: | 708774 |
| Weight: | 33.03ct |
| Size: | 25 x 18.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 118.91 |
| Item in Stock | |
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| ID: | 725437 |
| Weight: | 23.46ct |
| Size: | 22.4 x 20.7 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 84.46 |
| Item in Stock | |
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| ID: | 724855 |
| Weight: | 20.57ct |
| Size: | 21.8 x 16.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 74.05 |
| Item in Stock | |
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| ID: | 708767 |
| Weight: | 23.00ct |
| Size: | 20.3 x 16.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 82.80 |
| Item in Stock | |
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| ID: | 708768 |
| Weight: | 27.44ct |
| Size: | 22.3 x 15.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 98.78 |
| Item in Stock | |
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| ID: | 708769 |
| Weight: | 24.07ct |
| Size: | 19.7 x 15.7 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 86.65 |
| Item in Stock | |
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| ID: | 724852 |
| Weight: | 45.84ct |
| Size: | 28.8 x 23.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 165.02 |
| Item in Stock | |
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| ID: | 724930 |
| Weight: | 28.58ct |
| Size: | 23.4 x 16.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 102.89 |
| Item in Stock | |
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| ID: | 708196 |
| Weight: | 23.17ct |
| Size: | 21.4 x 16.3 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 83.41 |
| Item in Stock | |
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| ID: | 724933 |
| Weight: | 26.96ct |
| Size: | 21.6 x 17.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 97.06 |
| Item in Stock | |
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| ID: | 725427 |
| Weight: | 29.61ct |
| Size: | 23.1 x 17.5 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 106.60 |
| Item in Stock | |
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| ID: | 724845 |
| Weight: | 43.52ct |
| Size: | 29.7 x 20.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 156.67 |
| Item in Stock | |
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| ID: | 725303 |
| Weight: | 36.93ct |
| Size: | 22.2 x 19.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 132.95 |
| Item in Stock | |
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| ID: | 725429 |
| Weight: | 45.70ct |
| Size: | 32.6 x 18.5 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 164.52 |
| Item in Stock | |
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| ID: | 725304 |
| Weight: | 38.54ct |
| Size: | 25.6 x 18.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 115.62 |
| Item in Stock | |
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| ID: | 709313 |
| Weight: | 20.88ct |
| Size: | 20 x 15 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 75.17 |
| Item in Stock | |
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| ID: | 725197 |
| Weight: | 20.56ct |
| Size: | 21.8 x 17.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 74.02 |
| Item in Stock | |
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| ID: | 725204 |
| Weight: | 27.38ct |
| Size: | 27.2 x 17.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 98.57 |
| Item in Stock | |
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| ID: | 724939 |
| Weight: | 27.65ct |
| Size: | 25.2 x 18.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 99.54 |
| Item in Stock | |
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| ID: | 678703 |
| Weight: | 21.29ct |
| Size: | 22.7 x 15.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 77.16 |
| Item in Stock | |
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| ID: | 675442 |
| Weight: | 9.80ct |
| Size: | 14 x 12 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 36.80 |
| Item in Stock | |
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| ID: | 725436 |
| Weight: | 31.22ct |
| Size: | 25 x 18 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 93.66 |
| Item in Stock | |
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| ID: | 724851 |
| Weight: | 45.91ct |
| Size: | 33 x 17.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 165.28 |
| Item in Stock | |
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| ID: | 724938 |
| Weight: | 22.49ct |
| Size: | 24.5 x 15.5 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 80.96 |
| Item in Stock | |
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| ID: | 725018 |
| Weight: | 24.53ct |
| Size: | 22 x 14.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 73.59 |
| Item in Stock | |
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| ID: | 725201 |
| Weight: | 33.26ct |
| Size: | 27.8 x 17.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 119.74 |
| Item in Stock | |
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| ID: | 725199 |
| Weight: | 39.39ct |
| Size: | 28.1 x 18.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 141.80 |
| Item in Stock | |
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| ID: | 725198 |
| Weight: | 48.31ct |
| Size: | 28.8 x 21.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 173.92 |
| Item in Stock | |
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| ID: | 709308 |
| Weight: | 29.13ct |
| Size: | 25.4 x 16.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 104.87 |
| Item in Stock | |
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| ID: | 634758 |
| Weight: | 21.28ct |
| Size: | 24.6 x 14 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 46.73 |
| Item in Stock | |
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| ID: | 725017 |
| Weight: | 37.13ct |
| Size: | 27.6 x 20.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 133.67 |
| Item in Stock | |
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| ID: | 724937 |
| Weight: | 45.72ct |
| Size: | 25.1 x 19.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 164.59 |
| Item in Stock | |
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| ID: | 725013 |
| Weight: | 60.47ct |
| Size: | 32.8 x 17.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 217.69 |
| Item in Stock | |
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| ID: | 724934 |
| Weight: | 33.66ct |
| Size: | 26.6 x 18.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 121.18 |
| Item in Stock | |
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| ID: | 725203 |
| Weight: | 27.71ct |
| Size: | 24 x 17.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 99.76 |
| Item in Stock | |
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| ID: | 724940 |
| Weight: | 42.37ct |
| Size: | 25.7 x 18.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 152.53 |
| Item in Stock | |
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| ID: | 724931 |
| Weight: | 25.11ct |
| Size: | 23.9 x 13.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 90.40 |
| Item in Stock | |
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| ID: | 724847 |
| Weight: | 59.90ct |
| Size: | 27.9 x 20.7 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 179.70 |
| Item in Stock | |
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| ID: | 708205 |
| Weight: | 22.46ct |
| Size: | 25.2 x 16.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 80.86 |
| Item in Stock | |
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| ID: | 725306 |
| Weight: | 23.95ct |
| Size: | 21.8 x 16.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 86.22 |
| Item in Stock | |
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| ID: | 725016 |
| Weight: | 36.21ct |
| Size: | 28.1 x 18.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 130.36 |
| Item in Stock | |
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| ID: | 725021 |
| Weight: | 28.70ct |
| Size: | 29.9 x 19 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 103.32 |
| Item in Stock | |
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| ID: | 679314 |
| Weight: | 20.24ct |
| Size: | 20.2 x 16.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 73.34 |
| Item in Stock | |
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| ID: | 725431 |
| Weight: | 27.39ct |
| Size: | 24.8 x 17 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 98.60 |
| Item in Stock | |
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| ID: | 725022 |
| Weight: | 27.22ct |
| Size: | 21.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 97.99 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 725300 |
| Weight: | 23.63ct |
| Size: | 25.8 x 17.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 85.07 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 708763 |
| Weight: | 25.73ct |
| Size: | 21.7 x 16.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 92.63 |
| Item in Stock | |
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| ID: | 724849 |
| Weight: | 40.55ct |
| Size: | 29.4 x 17.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 145.98 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 725015 |
| Weight: | 62.74ct |
| Size: | 31.4 x 26 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 225.86 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 709309 |
| Weight: | 27.07ct |
| Size: | 22.9 x 17.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 97.45 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 709317 |
| Weight: | 22.00ct |
| Size: | 24.1 x 16.3 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 79.20 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 709316 |
| Weight: | 39.89ct |
| Size: | 23.8 x 18.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 143.60 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 724808 |
| Weight: | 15.16ct |
| Size: | 25.5 x 15.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 54.58 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 724856 |
| Weight: | 27.55ct |
| Size: | 24.4 x 16.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 99.18 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 725202 |
| Weight: | 58.82ct |
| Size: | 35.3 x 22.3 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 211.75 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 725435 |
| Weight: | 26.98ct |
| Size: | 24.5 x 16.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 97.13 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 709314 |
| Weight: | 36.87ct |
| Size: | 27 x 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 132.73 |
| Item in Stock | |
| More Options & Item Details | |
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 
love these guys been ordering since 2000 maybe
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.
Overall Rating -> 10
Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.
Overall Rating -> 9 
I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!
Overall Rating -> 10
Very food
Overall Rating -> 10
looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..
Overall Rating -> 10
Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.
Overall Rating -> 10
First time so this is an experiment! Shopping is so fun on this site, though!
Overall Rating -> 10
Its been a long time since Ive made any purchases Im satisfied with the quality.
