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: 684597
Weight: 17.46ct
Size: 24 x 17.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 663320
Weight: 21.01ct (total)
Size: 22.8 x 13.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 14.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 714480
Weight: 0.31ct
Size: 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 16.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 459977
Weight: 3.88ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 678705
Weight: 5.66ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 47.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 720345
Weight: 1.03ct
Size: 6.2 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 99.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 709999
Weight: 0.37ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 725592
Weight: 0.89ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 8.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 662646
Weight: 1.31ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 31.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 381959
Weight: 3.70ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 20 pcs
Price: $ 195.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 555872
Weight: 0.78ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 20.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 638585
Weight: 1.72ct
Size: 7.4 x 6.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 10.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 715349
Weight: 12.56ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 120.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 465823
Weight: 9.07ct
Size: 14 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 484043
Weight: 62.20ct
Size: 38.4 x 24.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 123.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 454394
Weight: 0.62ct
Size: 10.6 x 3.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 26.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 392055
Weight: 15.86ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 41.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 681991
Weight: 6.63ct
Size: 19.4 x 8.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 63.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 350500
Weight: 2.61ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 59.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 333639
Weight: 15.99ct (total)
Size: 15.3 x 11.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 211.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 279898
Weight: 2.16ct (total)
Size: 4 mm (calibrated)
Clarity: VS
Content: 9 pcs
Price: $ 142.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 471127
Weight: 39.76ct
Size: 33.5 x 18.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 81.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 660264
Weight: 1.77ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 4.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 712097
Weight: 2.39ct
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 712100
Weight: 3.91ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 651013
Weight: 1.20ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 11.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 656671
Weight: 0.73ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 628391
Weight: 16.83ct
Size: 23.2 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 474029
Weight: 1.84ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 307419
Weight: 9.93ct
Size: 15 x 11.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 45.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 465758
Weight: 4.47ct (total)
Size: 12.1 x 6.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 47.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 694516
Weight: 26.35ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 461125
Weight: 6.63ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 61.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 706781
Weight: 2.35ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 538375
Weight: 2.02ct
Size: 12.1 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 183.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 560576
Weight: 5.25ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 705603
Weight: 3.64ct
Size: 10.6 x 8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 3.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 611872
Weight: 2.30ct (total)
Size: 7 x 6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 49.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 725455
Weight: 6.07ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 678114
Weight: 8.04ct
Size: 25.8 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 727203
Weight: 0.94ct
Size: 5.9 x 4.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 16.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 694930
Weight: 0.53ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 719315
Weight: 0.79ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 707989
Weight: 5.05ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 691950
Weight: 5.28ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 285.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 660175
Weight: 2.11ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 537797
Weight: 1.15ct
Size: 8.5 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 95.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 683508
Weight: 4.45ct
Size: 13.5 x 7.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 712524
Weight: 2.37ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 564407
Weight: 1.99ct (total)
Size: 7.7 x 5.9 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 30.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 582360
Weight: 6.11ct
Size: 13 x 9.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 511312
Weight: 2.23ct
Size: 8.6 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 41.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 550824
Weight: 1.34ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 559399
Weight: 2.01ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 41.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 721519
Weight: 7.24ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 325876
Weight: 8.70ct (total)
Size: 8.6 x 7.5 mm
Clarity: Transparent/Translucent
Content: 4 pcs
Price: $ 28.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 597471
Weight: 1.44ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 585074
Weight: 1.12ct (total)
Size: 5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 6.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 719966
Weight: 0.85ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 7.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 686320
Weight: 0.27ct
Size: 4.5 x 3.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 10.56
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
275
Choose Page
1 - 780

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

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By Kickbass.2 in January, 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

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect website simple to use. I recommend it to non-trade clients looking for gems.

Posted By GemJocky in July, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By Kickbass.2 in January, 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