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
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Multicolor
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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: | 709314 |
| Weight: | 36.87ct |
| Size: | 27 x 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 132.73 |
| 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: | 725022 |
| Weight: | 27.22ct |
| Size: | 21.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 97.99 |
| 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: | 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: | 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: | 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: | 708197 |
| Weight: | 37.69ct |
| Size: | 27 x 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 135.68 |
| Item in Stock | |
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| ID: | 724854 |
| Weight: | 52.75ct |
| Size: | 30 x 22.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 189.90 |
| 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: | 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: | 709317 |
| Weight: | 22.00ct |
| Size: | 24.1 x 16.3 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 79.20 |
| Item in Stock | |
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| ID: | 709307 |
| Weight: | 28.75ct |
| Size: | 22.7 x 15.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 103.50 |
| 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: | 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: | 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: | 725300 |
| Weight: | 23.63ct |
| Size: | 25.8 x 17.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 85.07 |
| 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: | 725023 |
| Weight: | 21.83ct |
| Size: | 23.3 x 15.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 78.59 |
| 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: | 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: | 725206 |
| Weight: | 54.14ct |
| Size: | 28.7 x 23 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 194.90 |
| Item in Stock | |
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| ID: | 709311 |
| Weight: | 28.41ct |
| Size: | 23.5 x 18.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 102.28 |
| 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: | 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: | 724932 |
| Weight: | 25.72ct |
| Size: | 26.1 x 17.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 92.59 |
| 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: | 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: | 724935 |
| Weight: | 19.16ct |
| Size: | 23.8 x 13 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 68.98 |
| 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: | 725305 |
| Weight: | 27.18ct |
| Size: | 25 x 18 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 97.85 |
| Item in Stock | |
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| ID: | 725302 |
| Weight: | 34.47ct |
| Size: | 21.9 x 19.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 103.41 |
| 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: | 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: | 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: | 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: | 708765 |
| Weight: | 24.33ct |
| Size: | 22.4 x 15.5 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 87.59 |
| 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: | 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: | 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: | 725020 |
| Weight: | 36.79ct |
| Size: | 27 x 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 132.44 |
| 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: | 725202 |
| Weight: | 58.82ct |
| Size: | 35.3 x 22.3 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 211.75 |
| Item in Stock | |
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| ID: | 725196 |
| Weight: | 54.31ct |
| Size: | 27 x 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 195.52 |
| 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: | 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: | 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: | 709316 |
| Weight: | 39.89ct |
| Size: | 23.8 x 18.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 143.60 |
| Item in Stock | |
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| ID: | 709309 |
| Weight: | 27.07ct |
| Size: | 22.9 x 17.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 97.45 |
| Item in Stock | |
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| ID: | 708201 |
| Weight: | 22.58ct |
| Size: | 26.5 x 15.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 81.29 |
| Item in Stock | |
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| ID: | 675910 |
| Weight: | 11.33ct |
| Size: | 15.5 x 13.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 42.55 |
| Item in Stock | |
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| ID: | 709310 |
| Weight: | 27.47ct |
| Size: | 21.8 x 15.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 98.89 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 679056 |
| Weight: | 19.46ct |
| Size: | 24.8 x 15.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 70.52 |
| 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: | 724933 |
| Weight: | 26.96ct |
| Size: | 21.6 x 17.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 97.06 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 679313 |
| Weight: | 19.71ct |
| Size: | 19 x 16.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 71.42 |
| Item in Stock | |
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| ID: | 725435 |
| Weight: | 26.98ct |
| Size: | 24.5 x 16.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 97.13 |
| 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: | 725207 |
| Weight: | 31.32ct |
| Size: | 27 x 20 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 112.75 |
| Item in Stock | |
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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 
this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.
Overall Rating -> 10
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
Overall Rating -> 9 
It was a good experience looking for and finding a nice amethyst stone
Overall Rating -> 9
the gems were smaller than I thought but I was at fault for not reading the complete discrimination
Overall Rating -> 9
The checkout said the my ccv was invalid. i had to use another card.
Overall Rating -> 10
It's mostly good, only some item's are easier to find through the search than the menu
Overall Rating -> 10
Love, and have always loved, your website.
Overall Rating -> 10
Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!
Overall Rating -> 10
Good selection, using for custom jewlery for my wife.
