X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

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

Untreated Gemstones Weight
Untreated Gemstones Size
Untreated Gemstones Clarity
Untreated Gemstones Price
Untreated Gemstones Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color Untreated Gemstones
Black Untreated Gemstones
Blue Untreated Gemstones
Brown Untreated Gemstones
Golden Untreated Gemstones
Gray Untreated Gemstones
Green Untreated Gemstones
Multicolor Untreated Gemstones
Orange Untreated Gemstones
Pink Untreated Gemstones
Purple Untreated Gemstones
Red Untreated Gemstones
Turquoise Untreated Gemstones
Violet Untreated Gemstones
White Untreated Gemstones
Yellow Untreated Gemstones
Single
Pairs
Lots
Faceted
Cabochons
Clear All
  • Actual Product Photos
  • Reliable Quality
  • Full Transparency
  • Large Selection
  • Affordable Prices
  • Fast, Secure Global Shipping
ID: 682160
Weight: 6.03ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 673249
Weight: 7.67ct (total)
Size: 16.6 x 10.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 21.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 573855
Weight: 1.66ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 43.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 712440
Weight: 2.30ct
Size: 12.3 x 6.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 6.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 715696
Weight: 3.03ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 471657
Weight: 1.65ct (total)
Size: 5.3 x 4.1 mm
Clarity: VS
Content: 4 pcs
Price: $ 217.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 513430
Weight: 0.73ct
Size: 6.1 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 53.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 680929
Weight: 0.99ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 29.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 725641
Weight: 0.40ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 712702
Weight: 8.95ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 648993
Weight: 1.31ct
Size: 7.1 x 6.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 3.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 551482
Weight: 3.03ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 714462
Weight: 0.68ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 20.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 621635
Weight: 1.42ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 664239
Weight: 2.28ct
Size: 9.6 x 7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 735188
Weight: 2.65ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 106.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 606961
Weight: 5.54ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 36.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 491381
Weight: 44.83ct
Size: 33.8 x 32.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 737599
Weight: 7.23ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 43.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 634775
Weight: 2.24ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 64.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 715499
Weight: 0.21ct
Size: 3.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 685846
Weight: 1.10ct
Size: 7 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 722784
Weight: 0.55ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 16.50
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 570230
Weight: 2.69ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 590714
Weight: 18.81ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 124.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 394636
Weight: 1.12ct
Size: 7.1 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 55.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 464419
Weight: 4.28ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 39.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 496771
Weight: 2.43ct
Size: 9.4 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 64.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 466188
Weight: 8.99ct
Size: 14 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 408343
Weight: 9.79ct
Size: 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 23.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 692509
Weight: 21.50ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 180.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 390199
Weight: 0.72ct
Size: 11.9 x 3.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 688227
Weight: 0.21ct
Size: 3.4 x 3.3 mm
Clarity: VS
Content: 1 pc
Price: $ 13.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 635576
Weight: 0.98ct
Size: 9 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 697712
Weight: 0.38ct
Size: 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 8.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 590947
Weight: 4.36ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 41.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 661987
Weight: 1.86ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 675229
Weight: 4.11ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 563848
Weight: 0.82ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 594830
Weight: 0.88ct
Size: 5.3 x 5.3 mm
Clarity: SI
Content: 1 pc
Price: $ 20.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 453883
Weight: 2.02ct
Size: 8.9 x 7.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 478165
Weight: 1.10ct
Size: 11.5 x 5.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 145.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 482242
Weight: 1.99ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 487155
Weight: 8.38ct
Size: 14.6 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 629323
Weight: 8.99ct
Size: 18.2 x 8.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 712011
Weight: 9.66ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 363245
Weight: 11.97ct
Size: 22.3 x 12.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 727853
Weight: 1.09ct
Size: 6.1 x 5.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 688638
Weight: 1.53ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 526644
Weight: 1.49ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 722749
Weight: 23.92ct
Size: 30.6 x 14.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 200.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 519899
Weight: 31.84ct
Size: 24.3 x 15.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 37.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 728020
Weight: 0.72ct
Size: 5.8 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 617103
Weight: 41.78ct
Size: 35.9 x 24.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 599132
Weight: 5.42ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 17.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 704995
Weight: 26.27ct
Size: 35.7 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 432127
Weight: 5.57ct
Size: 11 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 655278
Weight: 2.02ct
Size: 8 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 675011
Weight: 2.91ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 497065
Weight: 2.07ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.19
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
222
Choose Page
1 - 778

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

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 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

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I'm happy.

Posted By Ray in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All Good

Posted By Boru in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 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