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: | 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: | 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: | 725205 |
| Weight: | 23.62ct |
| Size: | 26.3 x 18.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 85.03 |
| 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: | 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: | 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: | 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: | 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: | 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: | 724849 |
| Weight: | 40.55ct |
| Size: | 29.4 x 17.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 145.98 |
| 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: | 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: | 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: | 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: | 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: | 678899 |
| Weight: | 21.59ct |
| Size: | 27.2 x 15.5 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 78.24 |
| 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: | 708206 |
| Weight: | 23.40ct |
| Size: | 22.9 x 14.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 70.20 |
| 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: | 709310 |
| Weight: | 27.47ct |
| Size: | 21.8 x 15.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 98.89 |
| 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 724848 |
| Weight: | 40.86ct |
| Size: | 28.5 x 20.1 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 147.10 |
| 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 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: | 725437 |
| Weight: | 23.46ct |
| Size: | 22.4 x 20.7 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 84.46 |
| Item in Stock | |
| More Options & Item Details | |
| 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: | 724851 |
| Weight: | 45.91ct |
| Size: | 33 x 17.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 165.28 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 724937 |
| Weight: | 45.72ct |
| Size: | 25.1 x 19.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 164.59 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 709308 |
| Weight: | 29.13ct |
| Size: | 25.4 x 16.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 104.87 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 678700 |
| Weight: | 20.84ct |
| Size: | 22.4 x 13.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 75.53 |
| 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: | 725206 |
| Weight: | 54.14ct |
| Size: | 28.7 x 23 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 194.90 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 708205 |
| Weight: | 22.46ct |
| Size: | 25.2 x 16.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 80.86 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 724931 |
| Weight: | 25.11ct |
| Size: | 23.9 x 13.6 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 90.40 |
| Item in Stock | |
| More Options & Item Details | |
| ID: | 724939 |
| Weight: | 27.65ct |
| Size: | 25.2 x 18.8 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 99.54 |
| 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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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 -> 9 
Very easy to navigate with a great selection.
Overall Rating -> 10 
I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.
Overall Rating -> 9
The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.
Overall Rating -> 10
Love, and have always loved, your website.
Overall Rating -> 10
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.
Overall Rating -> 10
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
Overall Rating -> 10
excellent deals-excellent service-fair prices
Overall Rating -> 10
My experience was done with ease
Overall Rating -> 8 
Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use
