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
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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: | 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: | 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: | 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: | 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: | 725299 |
| Weight: | 21.31ct |
| Size: | 22.1 x 13.5 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 76.72 |
| 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: | 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: | 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: | 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: | 725301 |
| Weight: | 17.65ct |
| Size: | 23.8 x 14.7 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 63.54 |
| 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: | 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: | 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: | 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: | 725015 |
| Weight: | 62.74ct |
| Size: | 31.4 x 26 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 225.86 |
| 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: | 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: | 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: | 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: | 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: | 679062 |
| Weight: | 19.84ct |
| Size: | 20 x 15 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 71.90 |
| 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 724856 |
| Weight: | 27.55ct |
| Size: | 24.4 x 16.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 99.18 |
| Item in Stock | |
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| ID: | 708204 |
| Weight: | 24.84ct |
| Size: | 24.3 x 16.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 89.42 |
| 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: | 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: | 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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| 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: | 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: | 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: | 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: | 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: | 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: | 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: | 679317 |
| Weight: | 25.93ct |
| Size: | 25 x 18 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 112.76 |
| Item in Stock | |
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| 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: | 724935 |
| Weight: | 19.16ct |
| Size: | 23.8 x 13 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 68.98 |
| Item in Stock | |
| More Options & Item Details | |
| 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: | 725199 |
| Weight: | 39.39ct |
| Size: | 28.1 x 18.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 141.80 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 725017 |
| Weight: | 37.13ct |
| Size: | 27.6 x 20.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 133.67 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 637205 |
| Weight: | 11.73ct |
| Size: | 24.9 x 16.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 56.30 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 724929 |
| Weight: | 26.38ct |
| Size: | 25.2 x 14.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 94.97 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 725197 |
| Weight: | 20.56ct |
| Size: | 21.8 x 17.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 74.02 |
| 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 | |
| ID: | 724855 |
| Weight: | 20.57ct |
| Size: | 21.8 x 16.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 74.05 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 725431 |
| Weight: | 27.39ct |
| Size: | 24.8 x 17 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 98.60 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 708206 |
| Weight: | 23.40ct |
| Size: | 22.9 x 14.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 70.20 |
| Item in Stock | |
| More Options & Item Details | |
Why Buy Untreated Gemstones from GemSelect?
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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 
Site is easy to navigate and the variety is great and how often new products are added is also great.
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
Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.
Overall Rating -> 10
looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones..
Overall Rating -> 10
I feel Gemselect is a trustworthy company to buy from
Overall Rating -> 10
My whole experience is great.
