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: 411748
Weight: 1.13ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 626947
Weight: 14.96ct
Size: 18.4 x 11.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 707167
Weight: 5.03ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 511718
Weight: 1.06ct
Size: 9.1 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 389314
Weight: 0.90ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 38.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 744431
Weight: 1.57ct
Size: 7.1 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 188.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 423098
Weight: 14.10ct (total)
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 26.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 384205
Weight: 1.45ct
Size: 17.4 x 3.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 558052
Weight: 0.99ct (total)
Size: 4.2 x 4.2 mm
Clarity: VS
Content: 2 pcs
Price: $ 7.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 727889
Weight: 0.82ct
Size: 6.1 x 4.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 743050
Weight: 1.30ct
Size: 7.3 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 54.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 738678
Weight: 0.23ct
Size: 4.7 x 3.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 11.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 693541
Weight: 69.43ct
Size: 39.3 x 35.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 448220
Weight: 3.68ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 19.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 655962
Weight: 11.70ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 18.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 293225
Weight: 7.37ct
Size: 14.1 x 10.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 696827
Weight: 0.36ct
Size: 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 7.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 636049
Weight: 11.57ct
Size: 17.3 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 411301
Weight: 3.15ct (total)
Size: 8.9 x 6.7 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 93.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 699542
Weight: 0.78ct
Size: 5.5 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 545192
Weight: 2.82ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 21.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 437933
Weight: 1.24ct
Size: 18.1 x 2.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 711045
Weight: 14.14ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 498305
Weight: 2.26ct (total)
Size: 10 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 23.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 582505
Weight: 3.16ct
Size: 11.6 x 9 mm
Clarity: VVS
Content: 1 pc
Price: $ 16.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 684587
Weight: 15.06ct
Size: 26.1 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 518682
Weight: 18.31ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 400875
Weight: 9.03ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 29.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 484402
Weight: 4.29ct (total)
Size: 7.6 x 5.5 mm
Clarity: VS
Content: 4 pcs
Price: $ 56.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 500928
Weight: 2.05ct
Size: 12 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 554641
Weight: 0.96ct
Size: 7 x 7 mm (calibrated)
Clarity: VVS-VS
Price: $ 7.61
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 582393
Weight: 5.33ct
Size: 13 x 10 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 697079
Weight: 0.60ct (total)
Size: 3.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 12.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 338137
Weight: 5.03ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 636346
Weight: 12.28ct
Size: 19.9 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 688876
Weight: 1.02ct (total)
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 9.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 673214
Weight: 0.78ct
Size: 5.8 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 18.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 684245
Weight: 51.52ct
Size: 35.1 x 30.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 66.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 700180
Weight: 0.92ct
Size: 5.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 55.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 715689
Weight: 1.70ct
Size: 12.3 x 5.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 90.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 491647
Weight: 19.34ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 546871
Weight: 3.32ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 718136
Weight: 1.20ct (total)
Size: 5.2 x 4.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 36.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 715747
Weight: 0.64ct
Size: 5 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 730345
Weight: 2.64ct
Size: 10.1 x 9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 23.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 717017
Weight: 14.96ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 431704
Weight: 1.49ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 15.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 556865
Weight: 3.08ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 569764
Weight: 3.42ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 25.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 464376
Weight: 2.92ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 26.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 418658
Weight: 7.26ct
Size: 11.9 x 9.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 38.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 688164
Weight: 3.12ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 724131
Weight: 37.00ct
Size: 19.1 x 15.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 724990
Weight: 0.70ct
Size: 11.7 x 2.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 29.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 603843
Weight: 1.67ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 48.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 470395
Weight: 86.68ct
Size: 40.7 x 21.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 119.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 555109
Weight: 1.20ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 45.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 567481
Weight: 0.19ct (total)
Size: 3 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 409.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 605813
Weight: 30.23ct (total)
Size: 18.3 x 13.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 47.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 647764
Weight: 18.10ct (total)
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 23.89
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
510
Choose Page
1 - 772

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

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 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

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good Hoping you will increase your inventory especially in the 6mm Thanks

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Good prices

Posted By TRM in October, 2025
Source: Bizrate
Enlarged Gemstone Image