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: 517809
Weight: 14.86ct
Size: 22.1 x 10.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 494408
Weight: 1.53ct
Size: 11.8 x 6 mm
Clarity: VS
Price: $ 12.12
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 718602
Weight: 10.68ct
Size: 20.1 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 706995
Weight: 2.29ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 477221
Weight: 2.70ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 29.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 639887
Weight: 0.70ct
Size: 6.1 x 4.2 mm
Clarity: VVS
Price: $ 5.88
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 485359
Weight: 7.28ct
Size: 15 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 503526
Weight: 2.93ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 8 pcs
Price: $ 27.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 548277
Weight: 12.41ct
Size: 15.6 x 13.3 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 491.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 395231
Weight: 4.06ct
Size: 9.6 x 9.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 26.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 706464
Weight: 11.61ct
Size: 15.1 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 370149
Weight: 1.45ct
Size: 6.7 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 174.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 463318
Weight: 4.80ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 38.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 712012
Weight: 7.51ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 20.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 700584
Weight: 8.20ct
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 449609
Weight: 4.24ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 27.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 483668
Weight: 1.08ct
Size: 6.7 x 5.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 71.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 730099
Weight: 2.71ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 621526
Weight: 1.57ct
Size: 7.9 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 33.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 706389
Weight: 8.67ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 708501
Weight: 2.61ct
Size: 9.1 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 53.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 619143
Weight: 7.61ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 100.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 602122
Weight: 1.51ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 59.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 737564
Weight: 1.56ct
Size: 8 x 6 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 679224
Weight: 8.10ct
Size: 21.3 x 12.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 552037
Weight: 11.91ct
Size: 18 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 661944
Weight: 2.22ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 456191
Weight: 1.49ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 669079
Weight: 15.15ct
Size: 17 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 327.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 585387
Weight: 0.67ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 640104
Weight: 0.74ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 7.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 706766
Weight: 4.96ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 11.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 692997
Weight: 22.54ct
Size: 37.4 x 9.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 735037
Weight: 0.16ct
Size: 5.1 x 2.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 134.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 650903
Weight: 1.66ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 735002
Weight: 3.33ct
Size: 10 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 737557
Weight: 3.64ct
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 416382
Weight: 1.26ct
Size: 18.7 x 3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 524015
Weight: 26.59ct
Size: 27 x 16.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 210.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 518200
Weight: 1.68ct
Size: 7.9 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 33.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 719827
Weight: 0.70ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 12.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 460954
Weight: 4.65ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 642776
Weight: 1.02ct
Size: 6.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 47.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 715026
Weight: 4.67ct (total)
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 12.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 454036
Weight: 0.79ct
Size: 9.6 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 694513
Weight: 34.01ct
Size: 33.9 x 20.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 479080
Weight: 1.83ct (total)
Size: 9.9 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 19.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 693533
Weight: 0.58ct
Size: 5.1 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 34.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 349470
Weight: 1.04ct
Size: 6.6 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 144.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 600577
Weight: 50.96ct
Size: 37.8 x 23.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 636914
Weight: 0.89ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 46.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 685327
Weight: 0.39ct
Size: 5 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 568492
Weight: 3.76ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 619775
Weight: 25.40ct (total)
Size: 20 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 67.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 643031
Weight: 1.20ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 56.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 709088
Weight: 1.39ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 28.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 600431
Weight: 13.02ct (total)
Size: 14.1 x 10.2 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 48.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 710356
Weight: 0.82ct
Size: 6.5 x 4.5 mm
Clarity: VS
Content: 1 pc
Price: $ 14.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 638168
Weight: 0.32ct
Size: 5.2 x 3.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 33.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 378277
Weight: 13.93ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 55.16
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
520
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

Very food

Posted By Keeto in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 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

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 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

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate
Enlarged Gemstone Image