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: 726814
Weight: 1.00ct
Size: 8.4 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 25.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 540026
Weight: 0.89ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 367618
Weight: 5.68ct (total)
Size: 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 37.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 539854
Weight: 1.32ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 26.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 368786
Weight: 3.24ct
Size: 8.4 x 7.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 21.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 694289
Weight: 0.62ct
Size: 8.4 x 3.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 18.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 712455
Weight: 10.37ct (total)
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 27.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 744516
Weight: 62.92ct (total)
Size: 35.9 x 14.3 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 314.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 600418
Weight: 2.56ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 540024
Weight: 0.87ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 9.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 546479
Weight: 1.46ct
Size: 6.6 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 11.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 387506
Weight: 2.51ct (total)
Size: 4 x 3.2 mm
Clarity: VS
Content: 10 pcs
Price: $ 222.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 428064
Weight: 7.71ct
Size: 15.7 x 11.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 55.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 719580
Weight: 0.60ct
Size: 5 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 10.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 552621
Weight: 27.91ct
Size: 34.4 x 22.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 73.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 546480
Weight: 1.44ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 11.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 480102
Weight: 6.74ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 10 pcs
Price: $ 14.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 600438
Weight: 24.75ct
Size: 29.4 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 427473
Weight: 2.46ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 524005
Weight: 14.40ct
Size: 23.2 x 15.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 114.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 746918
Weight: 12.53ct
Size: 13.5 x 12.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 3,759.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 721910
Weight: 0.54ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 323176
Weight: 19.36ct
Size: 20 x 16.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 28.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 343457
Weight: 10.93ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 596679
Weight: 25.38ct
Size: 22.6 x 16.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 223.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 685241
Weight: 12.26ct
Size: 22.7 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 685688
Weight: 0.92ct
Size: 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 341431
Weight: 7.74ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 74.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 606516
Weight: 1.79ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 4.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 474116
Weight: 1.75ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 691090
Weight: 63.29ct
Size: 23.7 x 23.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 649907
Weight: 0.82ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 6.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 534174
Weight: 2.15ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 448998
Weight: 6.66ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 724569
Weight: 135.48ct
Size: 32.8 x 32.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 1,222.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 481878
Weight: 1.24ct
Size: 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 497193
Weight: 30.32ct
Size: 32.1 x 21.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 25.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 714462
Weight: 0.68ct
Size: 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 20.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 384958
Weight: 5.38ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 682132
Weight: 1.01ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 534219
Weight: 3.12ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 479654
Weight: 2.27ct (total)
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 23.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 636435
Weight: 0.69ct
Size: 8 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 18.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 713071
Weight: 17.29ct
Size: 21.3 x 16 mm
Clarity: VVS
Content: 1 pc
Price: $ 145.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 711022
Weight: 17.29ct
Size: 18 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 145.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 440111
Weight: 0.87ct
Size: 5.7 x 4.6 mm
Clarity: VS
Content: 1 pc
Price: $ 32.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 708265
Weight: 1.86ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 38.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 710225
Weight: 2.73ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 22.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 663362
Weight: 1.42ct
Size: 7.5 x 6.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 34.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 491465
Weight: 20.70ct
Size: 30.6 x 14.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 730367
Weight: 0.24ct
Size: 4.6 x 3.2 mm
Clarity: VS
Content: 1 pc
Price: $ 11.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 529572
Weight: 6.89ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 27.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 704821
Weight: 2.02ct
Size: 14.1 x 8.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 60.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 694245
Weight: 0.73ct
Size: 10 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 21.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 548532
Weight: 1.12ct (total)
Size: 6.9 x 4.8 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 336.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 446065
Weight: 4.47ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 32.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 698488
Weight: 3.23ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 746951
Weight: 9.19ct
Size: 20.8 x 12.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 551.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 706361
Weight: 6.44ct
Size: 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 727237
Weight: 0.80ct
Size: 6 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 14.40
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
31
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

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I was looking for

Posted By Lincolnpremier in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I always purchase my stones from GemSelect, their products are high quality and customer service is always great. I also like the fact that I am able to purchase unique items

Posted By Desperaux in November, 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

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

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
Enlarged Gemstone Image