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
ID: 531176
Weight: 1.57ct
Size: 7.8 x 5.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 51.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 543965
Weight: 2.13ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 42.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 709375
Weight: 0.79ct
Size: 9.4 x 4.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 554459
Weight: 0.87ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 17.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 554915
Weight: 1.14ct
Size: 7.8 x 5.7 mm
Clarity: SI
Content: 1 pc
Price: $ 30.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 465981
Weight: 6.40ct
Size: 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 694839
Weight: 26.95ct
Size: 20 x 16 mm
Clarity: VVS
Content: 1 pc
Price: $ 186.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 730092
Weight: 0.25ct
Size: 5 x 3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 12.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 492485
Weight: 5.07ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 447501
Weight: 36.61ct
Size: 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 96.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 620855
Weight: 4.17ct (total)
Size: 12.1 x 5.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 44.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 323925
Weight: 15.32ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 19.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 464402
Weight: 3.96ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 36.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 718546
Weight: 6.90ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 663081
Weight: 2.76ct
Size: 9.5 x 7.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 388796
Weight: 1.19ct
Size: 8.2 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 76.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 459948
Weight: 4.55ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 42.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 450982
Weight: 2.89ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 26.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 648852
Weight: 5.69ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 598627
Weight: 1.71ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 616870
Weight: 0.82ct
Size: 5.8 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 59.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 735223
Weight: 2.26ct
Size: 8.6 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 108.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 350530
Weight: 2.83ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 64.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 609039
Weight: 3.12ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 57.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 368863
Weight: 2.87ct
Size: 8.3 x 7.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 18.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 375267
Weight: 2.96ct
Size: 8.8 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 124.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 720760
Weight: 0.53ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 3.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 484729
Weight: 1.81ct
Size: 8.5 x 5.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 11.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 717919
Weight: 2.06ct (total)
Size: 6.1 x 4.9 mm
Clarity: VVS
Content: 2 pcs
Price: $ 61.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 712638
Weight: 1.65ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 594081
Weight: 1.45ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 548396
Weight: 14.60ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 54.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 739550
Weight: 1.02ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 645795
Weight: 16.54ct
Size: 22.2 x 18.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 673902
Weight: 16.74ct
Size: 21.3 x 15.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 301.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 458400
Weight: 1.39ct (total)
Size: 4.5 x 3.6 mm
Clarity: VS
Content: 4 pcs
Price: $ 183.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 693424
Weight: 6.27ct
Size: 11.9 x 9.1 mm
Clarity: VS
Content: 1 pc
Price: $ 207.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 743059
Weight: 1.62ct
Size: 9.9 x 4.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 72.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 712573
Weight: 1.20ct
Size: 7 x 5.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 23.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 394219
Weight: 31.90ct
Size: 41.6 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 385004
Weight: 6.12ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 56.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 609755
Weight: 1.80ct (total)
Size: 6.3 x 6.1 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 16.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 723770
Weight: 3.81ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 501818
Weight: 1.83ct
Size: 10 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 14.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 697700
Weight: 5.53ct
Size: 15.1 x 9 mm
Clarity: VVS
Content: 1 pc
Price: $ 39.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 501523
Weight: 16.91ct
Size: 21.3 x 16.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 70.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 537517
Weight: 0.94ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 645784
Weight: 9.03ct
Size: 19.6 x 10.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 350531
Weight: 3.34ct (total)
Size: 3.2 x 3.2 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 76.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 739112
Weight: 1.00ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 9.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 695828
Weight: 1.89ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 4.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 545059
Weight: 0.77ct
Size: 6.4 x 4.3 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 20.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 698756
Weight: 2.08ct
Size: 7.4 x 7.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 12.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 565525
Weight: 1.96ct
Size: 7 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 44.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 559448
Weight: 5.85ct
Size: 9 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 475367
Weight: 7.19ct
Size: 16 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 66.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 474118
Weight: 1.73ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 662667
Weight: 23.67ct (total)
Size: 19.8 x 16.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 16.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 433823
Weight: 2.25ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 20.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 719761
Weight: 3.36ct
Size: 8.8 x 7.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 100.80
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
462
Choose Page
1 - 774

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

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate
Enlarged Gemstone Image