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Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones

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ID: 477248
Weight: 1.61ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.76
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ID: 594968
Weight: 28.28ct
Size: 19.9 x 18.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 101.81
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ID: 726013
Weight: 0.83ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 32.88
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ID: 687153
Weight: 1.18ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.33
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ID: 722770
Weight: 1.02ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 30.60
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ID: 534756
Weight: 1.57ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.43
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ID: 457069
Weight: 5.68ct
Size: 13 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.99
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ID: 494069
Weight: 7.66ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 49.64
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ID: 587778
Weight: 6.50ct
Size: 15.1 x 11.1 mm
Clarity: VS
Price: $ 25.74
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ID: 488367
Weight: 32.32ct
Size: 32 x 20.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.89
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ID: 516185
Weight: 26.82ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.51
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ID: 446947
Weight: 2.05ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 96.88
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ID: 722727
Weight: 17.74ct
Size: 22.4 x 15.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 149.02
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ID: 718490
Weight: 11.88ct
Size: 16.1 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.13
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ID: 689336
Weight: 1.55ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.88
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ID: 463380
Weight: 4.01ct (total)
Size: 12 x 5.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 53.09
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ID: 480662
Weight: 6.16ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 43.91
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ID: 484252
Weight: 1.18ct
Size: 7.1 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 15.58
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ID: 670714
Weight: 0.46ct
Size: 4.4 x 4.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.56
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ID: 477094
Weight: 1.30ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 10.30
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ID: 673515
Weight: 3.23ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 77.52
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ID: 448931
Weight: 8.65ct
Size: 18.9 x 11.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 28.54
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ID: 434970
Weight: 23.69ct (total)
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 31.27
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ID: 550586
Weight: 27.98ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 42.11
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ID: 737119
Weight: 30.49ct
Size: 42.4 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.05
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ID: 707076
Weight: 2.37ct
Size: 8.5 mm (calibrated)
Clarity: VVS-VS
Price: $ 18.96
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ID: 648025
Weight: 5.46ct (total)
Size: 8.2 x 10.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 9.83
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ID: 730470
Weight: 0.72ct
Size: 5.7 x 4.5 mm
Clarity: VS
Content: 1 pc
Price: $ 43.20
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ID: 350525
Weight: 2.53ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 57.78
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ID: 392184
Weight: 12.26ct
Size: 14 x 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 80.92
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ID: 501561
Weight: 1.41ct
Size: 13 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.54
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ID: 476854
Weight: 27.95ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 110.69
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ID: 708385
Weight: 1.03ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.28
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ID: 720851
Weight: 1.51ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.68
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ID: 730064
Weight: 4.94ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 44.22
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ID: 438024
Weight: 1.19ct
Size: 17.8 x 3 mm
Clarity: VVS
Content: 1 pc
Price: $ 39.28
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ID: 442879
Weight: 3.85ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.16
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ID: 486532
Weight: 55.75ct
Size: 39.7 x 27.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.66
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ID: 300661
Weight: 48.13ct
Size: 32.2 x 28.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 115.51
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ID: 486986
Weight: 29.80ct
Size: 27.5 x 19 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.67
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ID: 461233
Weight: 7.24ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 66.90
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ID: 395315
Weight: 7.57ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 49.97
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ID: 720844
Weight: 0.45ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.78
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ID: 662804
Weight: 0.64ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.29
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ID: 727236
Weight: 0.70ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.60
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ID: 715386
Weight: 1.43ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.73
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ID: 346279
Weight: 2.57ct (total)
Size: 2.3 x 2.2 mm
Clarity: VVS-VS
Content: 30 pcs
Price: $ 288.36
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ID: 678016
Weight: 0.42ct
Size: 3.6 x 3.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 252.00
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ID: 693499
Weight: 3.07ct
Size: 9.9 x 7.5 mm
Clarity: VS
Content: 1 pc
Price: $ 101.78
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ID: 459930
Weight: 3.99ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.86
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ID: 712702
Weight: 8.95ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.84
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ID: 697648
Weight: 18.13ct
Size: 21.2 x 20.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.40
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ID: 527300
Weight: avg. 0.48 ct / each
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 7.90
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ID: 524837
Weight: avg. 7.67 ct / each
Size: 11 mm (calibrated)
Clarity: Opaque
Price: $ 4.64
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ID: 642266
Weight: 2.82ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.30
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ID: 684242
Weight: 61.66ct
Size: 34.6 x 30.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 79.18
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ID: 695474
Weight: 5.94ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 178.20
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ID: 480713
Weight: 2.16ct (total)
Size: 5.6 x 3.7 mm
Clarity: VS
Content: 4 pcs
Price: $ 19.96
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ID: 560654
Weight: 2.03ct
Size: 8.5 x 7.1 mm
Clarity: SI
Content: 1 pc
Price: $ 45.55
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ID: 623464
Weight: 0.80ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.78
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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 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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 star ratings

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 star ratings

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Why Choose Loose Untreated Gemstones?

Selecting loose untreated gemstones ensures you’re investing in authentic, natural beauty. Gems like unheated sapphires, untreated rubies, and unenhanced diamonds retain their original allure, free from artificial enhancements. These certified untreated gems are ideal for those seeking unique, ethical, and high-quality stones for custom jewelry or collections.

Perfect for Engagement Rings and Collectors

Our untreated gemstones, including GIA-certified natural gems, are highly sought after for engagement rings and collector’s pieces. With options like unheated topaz and virgin untreated stones, you can create a timeless design that reflects your individual style. Each gem is carefully selected for its purity and brilliance.

Rare and Exquisite Natural Gems

From authentic untreated crystals to precious untreated gemstones, our collection offers something for every taste. These rare untreated gems for collectors are perfect for showcasing the natural beauty of stones like unheated and untreated stones that remain untouched by enhancements, preserving their natural value and appeal.

Quality Assurance You Can Trust

Every stone in our selection of loose untreated gemstones is thoroughly inspected to meet the highest standards. Whether you’re looking for untreated gemstones for engagement rings or certified untreated gems for a special project, our collection ensures authenticity and unparalleled quality.

Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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 star ratings

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 star ratings

Easy and convenient

Posted By Butch in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

FAQ's

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.

Enlarged Gemstone Image