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: 479643
Weight: 1.31ct
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 602222
Weight: 3.22ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 716058
Weight: 4.70ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 45.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 543512
Weight: 0.58ct
Size: 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 712361
Weight: 3.60ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 563791
Weight: 0.96ct
Size: 7.6 x 5.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 14.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 348779
Weight: 44.82ct
Size: 33.9 x 19.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 638306
Weight: 3.12ct
Size: 10.2 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 393518
Weight: 7.34ct
Size: 12 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 48.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 704580
Weight: 1.16ct
Size: 10 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 645891
Weight: 7.70ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 635815
Weight: 7.28ct
Size: 20 x 10 mm (calibrated)
Clarity: VS
Price: $ 61.15
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 720961
Weight: 18.54ct
Size: 20 x 17.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 736785
Weight: 5.44ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 27.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 501565
Weight: 1.89ct
Size: 13.1 x 4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 62.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 727086
Weight: 0.68ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 517193
Weight: 1.60ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 147.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 695555
Weight: 32.52ct
Size: 24.8 x 15.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 224.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 741452
Weight: 0.52ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 20.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 497193
Weight: 30.32ct
Size: 32.1 x 21.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 655268
Weight: 14.09ct
Size: 20.7 x 17.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 611899
Weight: 10.22ct (total)
Size: 12 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 33.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 450937
Weight: 2.53ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 23.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 460434
Weight: 4.18ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 38.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 699563
Weight: 28.02ct
Size: 32.9 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 730324
Weight: 1.49ct
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 250.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 365833
Weight: 26.88ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 53.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 527925
Weight: 7.57ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 54.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 720280
Weight: 1.36ct
Size: 6.6 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 130.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 470297
Weight: 87.25ct
Size: 31.8 x 25.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 143.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 582749
Weight: 5.38ct
Size: 13 x 9.9 mm
Clarity: VVS-VS
Price: $ 28.40
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 698912
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: 526025
Weight: 6.43ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 61.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 406941
Weight: 9.44ct
Size: 12.3 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 407802
Weight: 11.60ct
Size: 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 544611
Weight: 0.90ct
Size: 7.5 x 4.5 mm
Clarity: VS
Content: 1 pc
Price: $ 40.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 716086
Weight: 2.54ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 445852
Weight: 4.25ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 11.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 726802
Weight: 0.56ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 10.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 532353
Weight: 3.61ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 713967
Weight: 1.79ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 30.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 693389
Weight: 5.98ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 617918
Weight: 2.27ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 48.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 530092
Weight: 1.39ct
Size: 6.6 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 121.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 605890
Weight: 3.18ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 699556
Weight: 43.27ct
Size: 28.9 x 26.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 700471
Weight: 0.28ct
Size: 4.3 x 3.6 mm
Clarity: SI
Content: 1 pc
Price: $ 16.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 471980
Weight: 4.27ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 394.55
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: 548020
Weight: 1.40ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 662016
Weight: 1.07ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 2.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 735042
Weight: 0.10ct
Size: 3.4 x 2.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 84.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 713402
Weight: 1.24ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 602292
Weight: 2.83ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 504852
Weight: 0.72ct
Size: 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 43.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 630310
Weight: 29.76ct
Size: 23.1 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 157.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 709896
Weight: 0.44ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Price: $ 3.70
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 447530
Weight: 74.29ct (total)
Size: 15.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 196.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 673254
Weight: 9.55ct (total)
Size: 19.7 x 11.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 26.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 706996
Weight: 2.36ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.66
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
297
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

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 -> 10 star ratings

Very food

Posted By Keeto in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 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
Enlarged Gemstone Image