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: 696128
Weight: 45.29ct
Size: 31 x 28.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 712347
Weight: 3.49ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 577846
Weight: 1.39ct (total)
Size: 7.8 x 5.7 mm
Clarity: VS
Content: 2 pcs
Price: $ 73.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 691713
Weight: 0.41ct
Size: 4.8 x 4 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 24.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 308167
Weight: 2.84ct (total)
Size: 2.9 x 2.8 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 63.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 707852
Weight: 6.14ct
Size: 17.8 x 9.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 44.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 681983
Weight: 6.20ct
Size: 12.5 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 621022
Weight: 3.89ct (total)
Size: 12 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 35.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 600311
Weight: 3.10ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 710343
Weight: 2.60ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 613461
Weight: 0.57ct
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 532427
Weight: 4.68ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 348978
Weight: 2.29ct
Size: 21.4 x 3.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 75.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 716429
Weight: 4.74ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 45.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 255624
Weight: 0.83ct (total)
Size: 4 mm (calibrated)
Clarity: VS
Content: 5 pcs
Price: $ 172.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 723888
Weight: 63.04ct
Size: 24.1 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 74.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 500927
Weight: 0.78ct
Size: 8 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 82.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 460114
Weight: 3.29ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 30.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 673998
Weight: 3.93ct
Size: 17.3 x 10.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 117.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 697428
Weight: 6.55ct
Size: 18.2 x 9.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 47.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 637056
Weight: 0.95ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 697780
Weight: 17.80ct
Size: 29.4 x 8.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 683368
Weight: 5.28ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 48.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 686614
Weight: 3.03ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 497069
Weight: 2.01ct
Size: 9 x 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 36.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 664689
Weight: 1.25ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 27.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 338116
Weight: 13.09ct
Size: 17.3 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 43.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 522441
Weight: 167.02ct
Size: 46 x 29.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 440.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 694249
Weight: 0.86ct
Size: 8.7 x 3.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 25.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 537709
Weight: 0.89ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 727945
Weight: 0.77ct
Size: 6.1 x 4.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 414406
Weight: 13.83ct
Size: 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 365.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 509101
Weight: 28.46ct
Size: 21.4 x 17.2 mm
Clarity: IF
Content: 1 pc
Price: $ 262.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 307397
Weight: 10.69ct
Size: 16.6 x 13.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 49.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 723013
Weight: 0.47ct
Size: 4.9 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 537571
Weight: 1.57ct
Size: 12.3 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 119.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 526637
Weight: 1.50ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 707853
Weight: 6.65ct
Size: 15.9 x 11.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 47.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 563533
Weight: 1.41ct
Size: 6.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 31.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 575215
Weight: 1.27ct
Size: 8.8 x 6.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 134.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 437932
Weight: 1.23ct
Size: 19.7 x 2.9 mm
Clarity: VS
Content: 1 pc
Price: $ 40.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 396964
Weight: 1.14ct
Size: 7.6 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 71.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 664849
Weight: 1.10ct
Size: 7.8 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.88
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: 737511
Weight: 2.32ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 104.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 566673
Weight: 3.97ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 699085
Weight: 0.87ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 435816
Weight: 8.01ct
Size: 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 697062
Weight: 0.72ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Price: $ 4.32
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 472718
Weight: 12.50ct
Size: 20.6 x 20.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 165.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 460490
Weight: 3.46ct
Size: 13 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 410575
Weight: 1.91ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 431789
Weight: 2.20ct (total)
Size: 4.7 x 4.7 mm
Clarity: VS
Content: 4 pcs
Price: $ 23.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 686317
Weight: 0.24ct
Size: 4.5 x 3.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 9.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 696596
Weight: 10.86ct
Size: 17.5 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 694253
Weight: 0.91ct
Size: 7.7 x 4.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 27.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 681893
Weight: 5.79ct
Size: 13.3 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 688646
Weight: 1.74ct
Size: 9.4 x 7 mm
Clarity: VVS
Content: 1 pc
Price: $ 52.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 713945
Weight: 0.78ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 282482
Weight: 5.48ct (total)
Size: 8.1 x 6.3 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 60.28
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
583
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

Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site

Posted By Bern in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 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

Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.

Posted By Jess in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

Posted By Uggadugga in May, 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 -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 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

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate
Enlarged Gemstone Image