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: 692379
Weight: 14.89ct
Size: 16 x 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 470014
Weight: 13.08ct
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 18.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 371732
Weight: 18.58ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 98.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 631632
Weight: 1.18ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 35.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 385667
Weight: 4.79ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 10 pcs
Price: $ 31.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 545029
Weight: 5.84ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 43.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 621939
Weight: 7.30ct
Size: 15.7 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 655793
Weight: 9.15ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 725851
Weight: 0.73ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 7.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 691149
Weight: 0.45ct
Size: 4.6 x 4.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 27.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 571160
Weight: 0.87ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 398046
Weight: 1.76ct
Size: 18.4 x 3.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 51.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 497876
Weight: 3.48ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 725882
Weight: 0.94ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 693319
Weight: 0.90ct
Size: 8.2 x 3.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 54.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 495898
Weight: 0.93ct
Size: 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 52.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 430369
Weight: 2.45ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 619122
Weight: 2.19ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 72.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 463010
Weight: 4.57ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 442885
Weight: 3.83ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 10.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 687125
Weight: 25.59ct
Size: 20.9 x 17.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 711530
Weight: 6.96ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 18.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 540044
Weight: 1.41ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 492970
Weight: 5.30ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 656653
Weight: 1.51ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 397929
Weight: 9.33ct (total)
Size: 8.5 mm (calibrated)
Clarity: Transparent
Content: 4 pcs
Price: $ 61.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 714174
Weight: 0.48ct
Size: 4.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 14.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 458047
Weight: 0.70ct
Size: 9.7 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 73.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 721738
Weight: 40.26ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 48.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 306428
Weight: 2.77ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 62.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 479843
Weight: 3.76ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 34.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 572437
Weight: 3.00ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 495461
Weight: 30.80ct (total)
Size: 18.8 x 13.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 43.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 442216
Weight: 1.95ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 51.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 710444
Weight: 1.61ct
Size: 7.2 x 5.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 28.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 499193
Weight: 2.15ct
Size: 12.1 x 5.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 425.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 687421
Weight: 3.71ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 10.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 685158
Weight: 1.06ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 10.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 687741
Weight: 5.71ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 332930
Weight: 18.98ct
Size: 18 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 544458
Weight: 0.74ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 564405
Weight: 2.07ct (total)
Size: 7.7 x 5.9 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 31.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 719356
Weight: 2.23ct
Size: 8.4 x 6.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 66.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 388098
Weight: 3.03ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 20.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 554922
Weight: 1.01ct
Size: 8 x 5.7 mm
Clarity: SI
Content: 1 pc
Price: $ 26.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 377685
Weight: 5.40ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 138.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 547768
Weight: 1.69ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 34.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 451147
Weight: 1.47ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 526379
Weight: 3.47ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 476697
Weight: 16.47ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 488636
Weight: 1.99ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 52.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 693400
Weight: 2.89ct
Size: 10.5 x 6.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 667709
Weight: 2.10ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 43.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 662693
Weight: 1.60ct
Size: 8.1 x 6.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 684211
Weight: 0.55ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 23.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 546739
Weight: 1.29ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 706999
Weight: 2.69ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 435678
Weight: 6.86ct
Size: 15.1 x 11 mm
Clarity: Transparent
Content: 1 pc
Price: $ 22.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 685671
Weight: 0.86ct
Size: 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 698561
Weight: 3.29ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.64
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
79
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

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!

Posted By Blkfower83 in October, 2024
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

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good products

Posted By Brave in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Loved the lot buy options

Posted By BDG in October, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate
Enlarged Gemstone Image