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: 642918
Weight: 2.41ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 391881
Weight: 44.83ct
Size: 30.1 x 30 mm
Clarity: Opaque
Content: 1 pc
Price: $ 53.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 736391
Weight: 1.79ct
Size: 9.3 x 7.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 645681
Weight: 6.63ct
Size: 16.7 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 679792
Weight: 31.19ct
Size: 24.5 x 20.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 299.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 707748
Weight: 4.77ct
Size: 15.9 x 9.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 34.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 314146
Weight: 0.82ct
Size: 6 x 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 81.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 445898
Weight: 6.38ct
Size: 12.5 x 10.6 mm
Clarity: SI
Content: 1 pc
Price: $ 46.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 564403
Weight: 0.93ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 447541
Weight: 2.29ct
Size: 8.5 x 7.6 mm
Clarity: VS
Content: 1 pc
Price: $ 108.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 567400
Weight: 0.16ct (total)
Size: 2.7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 313.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 517191
Weight: 1.36ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 125.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 434079
Weight: 16.87ct
Size: 21 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 242.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 710073
Weight: 4.73ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 727277
Weight: 0.77ct
Size: 7 x 3.7 mm
Clarity: VS
Content: 1 pc
Price: $ 46.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 727343
Weight: 0.50ct
Size: 5 x 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 21.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 439516
Weight: 6.79ct
Size: 14.1 x 11.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 134.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 709075
Weight: 2.66ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 54.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 472533
Weight: 5.98ct
Size: 11.9 x 8.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 725468
Weight: 0.98ct
Size: 6.2 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 83.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 684860
Weight: 1.57ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 2.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 549166
Weight: 2.63ct
Size: 8.5 x 8.4 mm
Clarity: VS
Content: 1 pc
Price: $ 17.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 457647
Weight: 0.55ct
Size: 7.3 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 58.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 744802
Weight: 17.18ct
Size: 21.2 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 732056
Weight: 0.86ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 713388
Weight: 16.66ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 139.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 685321
Weight: 0.55ct
Size: 5.2 x 4.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 23.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 566487
Weight: 16.29ct (total)
Size: 17.6 x 11.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 37.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 537562
Weight: 1.49ct
Size: 11 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 135.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 486203
Weight: 7.32ct
Size: 14 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 61.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 430870
Weight: 5.30ct
Size: 12 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 404526
Weight: 12.64ct (total)
Size: 13 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 83.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 604475
Weight: 2.61ct (total)
Size: 9 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 75.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 584808
Weight: 1.63ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 107.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 464253
Weight: 4.14ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 38.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 715687
Weight: 0.45ct
Size: 5.9 x 3.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 682459
Weight: 7.19ct
Size: 20.1 x 9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 69.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 692448
Weight: 13.24ct
Size: 16 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 111.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 643514
Weight: 0.92ct
Size: 9.7 x 4.1 mm
Clarity: VVS
Price: $ 7.73
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 450156
Weight: 28.35ct (total)
Size: 22.7 x 14.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 74.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 617098
Weight: 31.03ct
Size: 34.9 x 21.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.48
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: 712405
Weight: 3.96ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 716138
Weight: 3.44ct (total)
Size: 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 33.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 669080
Weight: 17.63ct
Size: 18 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 380.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 637118
Weight: 0.70ct
Size: 7.6 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 36.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 416005
Weight: 2.34ct
Size: 21.5 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 77.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 737961
Weight: 0.66ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 732476
Weight: 5.56ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 50.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 745614
Weight: 3.36ct
Size: 9.5 x 7.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 320.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 695054
Weight: 0.43ct
Size: 4.7 x 3.9 mm
Clarity: VS
Content: 1 pc
Price: $ 15.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 552240
Weight: 1.62ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 623474
Weight: 0.93ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 17.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 394966
Weight: 1.18ct
Size: 7.3 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 58.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 333749
Weight: 10.86ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 50.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 575198
Weight: 19.83ct
Size: 22.8 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 725310
Weight: 9.48ct
Size: 13.4 x 12.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 728057
Weight: 1.10ct
Size: 7.6 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 6.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 537158
Weight: 1.66ct
Size: 7.2 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 138.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 662655
Weight: 1.59ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.36
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
334
Choose Page
1 - 773

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 -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate
Enlarged Gemstone Image