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: 732976
Weight: 0.94ct
Size: 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 22.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 502583
Weight: 2.36ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 18.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 726871
Weight: 0.64ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 696563
Weight: 62.25ct
Size: 52.3 x 28.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 112.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 533401
Weight: 1.86ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Price: $ 14.81
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 742939
Weight: 1.42ct
Size: 9.2 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 198.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 326233
Weight: 5.43ct (total)
Size: 8.9 x 6.7 mm
Clarity: Transparent/Translucent
Content: 2 pcs
Price: $ 19.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 485315
Weight: 2.76ct
Size: 11 x 11 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 683005
Weight: 10.46ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 62.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 522413
Weight: 9.04ct
Size: 15.6 x 12.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 71.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 394825
Weight: 7.23ct
Size: 12 x 12 mm (calibrated)
Clarity: VS
Price: $ 47.72
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 661940
Weight: 1.63ct
Size: 6.7 x 6.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 3.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 689089
Weight: 1.70ct (total)
Size: 9 x 5.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 16.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 390931
Weight: 1.87ct
Size: 8.4 x 7 mm
Clarity: VS
Content: 1 pc
Price: $ 67.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 684248
Weight: 12.40ct
Size: 20 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 456554
Weight: 2.31ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 394868
Weight: 3.27ct (total)
Size: 7.2 x 5.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 59.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 525280
Weight: 1.45ct
Size: 7.5 x 6.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 267.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 619366
Weight: 5.21ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 610317
Weight: 5.64ct
Size: 22.2 x 8.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 498628
Weight: 0.72ct
Size: 6.1 x 4.2 mm
Clarity: VVS-VS
Price: $ 38.02
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 696216
Weight: 26.75ct
Size: 30.9 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 570067
Weight: 3.18ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 726013
Weight: 0.83ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 32.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 545250
Weight: 2.53ct
Size: 9 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 192.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 393962
Weight: 30.17ct
Size: 27.9 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 588575
Weight: 6.33ct
Size: 15.1 x 11.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 310829
Weight: 2.47ct (total)
Size: 3.8 mm
Clarity: VS-SI
Content: 12 pcs
Price: $ 133.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 221438
Weight: 2.24ct (total)
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 9 pcs
Price: $ 133.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 691867
Weight: 0.25ct
Size: 3.5 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 15.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 435660
Weight: 2.07ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 744579
Weight: 0.71ct
Size: 5.8 x 3.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 177.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 557563
Weight: 0.68ct
Size: 6 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 41.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 514432
Weight: 8.48ct
Size: 14 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 447.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 551165
Weight: 2.62ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Price: $ 24.20
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 664033
Weight: 2.44ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 52.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 693362
Weight: 73.18ct
Size: 33.8 x 24.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 50.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 685174
Weight: 28.71ct
Size: 27.4 x 22.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 36.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 478190
Weight: 8.80ct
Size: 18 x 13 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 80.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 451134
Weight: 1.53ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 482355
Weight: 3.22ct (total)
Size: 4.7 x 2.9 mm
Clarity: VS
Content: 15 pcs
Price: $ 212.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 427508
Weight: 2.27ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 17.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 445855
Weight: 4.87ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 12.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 706904
Weight: 1.27ct
Size: 8.1 x 7.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 3.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 743181
Weight: 1.41ct
Size: 6.9 x 6.1 mm
Clarity: VS
Content: 1 pc
Price: $ 169.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 661941
Weight: 1.86ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 458438
Weight: 5.41ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 49.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 721624
Weight: 10.47ct
Size: 12.8 x 12 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 348566
Weight: 2.22ct
Size: 15.6 x 4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 73.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 463157
Weight: 4.65ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 479376
Weight: 2.68ct (total)
Size: 10.1 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 28.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 487410
Weight: 39.45ct
Size: 33.7 x 30.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 529469
Weight: 1.69ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 389551
Weight: 3.68ct
Size: 9.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 605844
Weight: 12.29ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 18.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 496764
Weight: 1.94ct
Size: 8.3 x 7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 51.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 433895
Weight: 2.33ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 473693
Weight: 2.72ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 35.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 622816
Weight: 4.19ct
Size: 12.2 x 8.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 71.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 673112
Weight: 1.17ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.08
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
347
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

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 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 -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was my second time so I understand what it is to do

Posted By Ibie in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate
Enlarged Gemstone Image