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: 413427
Weight: 7.15ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 686486
Weight: 2.30ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 2.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 577713
Weight: 6.77ct
Size: 18.3 x 11.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 416571
Weight: 5.84ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 474789
Weight: 1.85ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 712229
Weight: 7.06ct (total)
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 18.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 725667
Weight: 0.43ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 357705
Weight: 3.67ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 24.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 709992
Weight: 0.43ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 711816
Weight: 6.49ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 685866
Weight: 1.58ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 518614
Weight: 2.01ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 504846
Weight: 0.71ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 42.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 682018
Weight: 0.58ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 4.87
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 687619
Weight: 5.02ct (total)
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 14.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 389510
Weight: 3.47ct (total)
Size: 8.1 x 6.5 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 22.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 462719
Weight: 1.30ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 3 pcs
Price: $ 68.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 458441
Weight: 4.67ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 43.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 618111
Weight: 1.12ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 48.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 386412
Weight: 5.78ct
Size: 19.6 x 10.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 51.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 435034
Weight: 63.83ct
Size: 41.6 x 27.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 126.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 736584
Weight: 23.44ct
Size: 24.8 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 392689
Weight: 13.76ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 90.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 389299
Weight: 1.42ct
Size: 9.6 x 6.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 93.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 658275
Weight: 8.34ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 393987
Weight: 2.25ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 41.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 685387
Weight: 1.65ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 647642
Weight: 12.36ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 16.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 413708
Weight: 12.83ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 423.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 737694
Weight: 23.25ct
Size: 37.8 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 389237
Weight: 0.92ct
Size: 7.1 x 5.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 60.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 602991
Weight: 1.98ct
Size: 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 645442
Weight: 10.90ct
Size: 16.4 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 438832
Weight: 2.42ct (total)
Size: 5.4 x 3.4 mm
Clarity: VS
Content: 6 pcs
Price: $ 47.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 672471
Weight: 4.86ct (total)
Size: 17.5 x 7.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 334771
Weight: 2.52ct (total)
Size: 6.5 x 3.8 mm
Clarity: VS
Content: 4 pcs
Price: $ 54.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 424767
Weight: 0.66ct
Size: 5 x 4.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 636638
Weight: 1.54ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 561408
Weight: 3.51ct
Size: 10.4 x 8.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 154.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 622323
Weight: 0.86ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 360612
Weight: 8.80ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 46.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 357315
Weight: 4.11ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 27.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 536983
Weight: 1.42ct
Size: 6.7 x 5.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 126.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 459827
Weight: 4.60ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 42.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 460656
Weight: 4.50ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 737073
Weight: 34.51ct (total)
Size: 23.5 x 18 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 48.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 399206
Weight: 19.50ct
Size: 35.9 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 600551
Weight: 3.88ct
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 50.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 693478
Weight: 9.26ct
Size: 15.3 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 344363
Weight: 47.87ct
Size: 26.5 x 21.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 85.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 711089
Weight: 17.02ct
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 45.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 448933
Weight: 14.00ct
Size: 17.5 x 13.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 46.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 518864
Weight: 21.96ct
Size: 40.4 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 479613
Weight: 2.38ct (total)
Size: 9.9 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 737137
Weight: 2.00ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 90.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 356979
Weight: 4.09ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 27.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 720284
Weight: 1.06ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 102.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 685321
Weight: 0.55ct
Size: 5.2 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 23.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 552951
Weight: 1.82ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 10.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 517572
Weight: 1.91ct
Size: 10.7 x 6.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 10.08
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
214
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

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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.

Posted By Maggie in August, 2025
Source: Bizrate
Enlarged Gemstone Image