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: 696778
Weight: 7.99ct
Size: 18.2 x 7.7 mm
Clarity: SI
Content: 1 pc
Price: $ 639.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 521477
Weight: 153.32ct
Size: 36.6 x 29.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 404.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 491713
Weight: 83.94ct (total)
Size: 23 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 98.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 409216
Weight: 11.09ct
Size: 16.7 x 13 mm
Clarity: VS
Content: 1 pc
Price: $ 377.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 662091
Weight: 13.61ct
Size: 14 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 437944
Weight: 21.74ct
Size: 23.6 x 11.7 mm
Clarity: VS
Content: 1 pc
Price: $ 573.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 696564
Weight: 48.09ct
Size: 33.7 x 24.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 518610
Weight: 2.99ct
Size: 9.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 496504
Weight: 2.07ct
Size: 8.3 x 6.9 mm
Clarity: VS
Content: 1 pc
Price: $ 35.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 669735
Weight: 29.45ct
Size: 24.8 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 668805
Weight: 27.29ct
Size: 28.9 x 12 mm
Clarity: Transparent
Content: 1 pc
Price: $ 589.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 668360
Weight: 38.28ct
Size: 27.8 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 191.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 401031
Weight: 41.53ct
Size: 21.4 x 17.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 82.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 219857
Weight: 9.09ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 53.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 528670
Weight: 35.81ct
Size: 27 x 20 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 94.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 601420
Weight: 7.22ct
Size: 17.1 x 12 mm
Clarity: VS
Content: 1 pc
Price: $ 35.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 418394
Weight: 10.80ct
Size: 13 x 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 51.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 276494
Weight: 0.53ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 174.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 407797
Weight: 12.27ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 546978
Weight: 30.31ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 640471
Weight: 0.31ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 485326
Weight: 7.28ct
Size: 15 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 669018
Weight: 0.80ct
Size: 5.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 640.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 548283
Weight: 1.18ct
Size: 6.2 x 5.3 mm
Clarity: VS
Content: 1 pc
Price: $ 66.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 684004
Weight: 0.94ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 39.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 485319
Weight: 8.04ct
Size: 15 x 15 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 394031
Weight: 42.59ct
Size: 39.2 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 348795
Weight: 61.25ct
Size: 39.6 x 25 mm
Clarity: Opaque
Content: 1 pc
Price: $ 80.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 623678
Weight: 4.55ct
Size: 10.7 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 77.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 349459
Weight: 1.17ct
Size: 7.5 x 5.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 162.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 669213
Weight: 11.21ct
Size: 19.2 x 11.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 242.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 694416
Weight: 45.71ct
Size: 31.9 x 23 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 695139
Weight: 98.16ct
Size: 53.6 x 36.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 94.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 531017
Weight: 1.50ct
Size: 7.1 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 167.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 415400
Weight: 1.18ct
Size: 5.8 x 5.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 934.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 410344
Weight: 2.36ct (total)
Size: 7.5 x 5.1 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 11.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 567237
Weight: 2.60ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 58.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 635824
Weight: 5.39ct
Size: 11.6 x 8.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 27.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 616832
Weight: 0.89ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 58.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 691524
Weight: 3.51ct
Size: 7.6 x 7.6 mm
Clarity: VS
Content: 1 pc
Price: $ 96.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 634193
Weight: 23.21ct (total)
Size: 31.2 x 18.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 105.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 405188
Weight: 7.17ct
Size: 14 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 50.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 567268
Weight: 56.50ct
Size: 45.2 x 27 mm
Clarity: Opaque
Content: 1 pc
Price: $ 127.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 514179
Weight: 24.86ct (total)
Size: 18.7 x 12.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 64.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 623789
Weight: 1.10ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 79.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 522986
Weight: 20.55ct
Size: 31.9 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 135.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 338302
Weight: 8.49ct
Size: 16.3 x 10.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 520619
Weight: 0.87ct
Size: 8.7 x 4.6 mm
Clarity: VS
Content: 1 pc
Price: $ 48.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 660338
Weight: 27.15ct
Size: 19 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 54.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 472286
Weight: 17.12ct
Size: 18.2 x 14.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 158.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 682432
Weight: 10.38ct
Size: 16 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 619368
Weight: 10.70ct
Size: 19.9 x 13.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 54.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 677817
Weight: 0.14ct (total)
Size: 2.2 x 2.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 84.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 493535
Weight: 4.57ct
Size: 12.2 x 9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 314069
Weight: 2.71ct
Size: 8.4 x 7.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 366591
Weight: 1.22ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 171.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 461852
Weight: 41.49ct
Size: 27.3 x 23.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 526454
Weight: avg. 12.53 ct / each
Size: 12 mm (calibrated)
Clarity: Opaque
Price: $ 15.16
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 572774
Weight: 1.01ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 346704
Weight: 205.80ct
Size: 55.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 185.22
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
20
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 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

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

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

Love the ease of access. Easy to find what you are looking for, and fair pricing.

Posted By NickBehnke in October, 2024
Source: Bizrate

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 -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
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
Enlarged Gemstone Image