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: 695214
Weight: 6.70ct
Size: 12.6 x 9.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 201.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 724147
Weight: 1.89ct
Size: 8.5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 18.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 737867
Weight: 0.74ct
Size: 7.6 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 37.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 719489
Weight: 0.76ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 688023
Weight: 1.13ct
Size: 6.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 672917
Weight: 10.36ct (total)
Size: 20.6 x 10.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 29.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 604480
Weight: 1.92ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 55.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 710362
Weight: 0.79ct
Size: 5.9 x 4.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 14.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 725594
Weight: 0.96ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 9.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 358253
Weight: 3.99ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 26.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 700595
Weight: 0.61ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 5.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 484691
Weight: 39.85ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 38.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 707214
Weight: 1.67ct
Size: 8.1 x 7.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 4.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 664588
Weight: 1.21ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 642111
Weight: 1.24ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 58.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 551660
Weight: 2.96ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 717949
Weight: 0.94ct
Size: 5.9 x 4.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 28.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 718266
Weight: 1.05ct
Size: 6 x 4.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 31.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 706976
Weight: 1.97ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 459839
Weight: 5.87ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 54.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 712321
Weight: 9.44ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 476892
Weight: 48.56ct (total)
Size: 38 x 20.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 82.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 471056
Weight: 2.61ct
Size: 8.5 x 8.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 24.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 435937
Weight: 2.41ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 442879
Weight: 3.85ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 10.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 609753
Weight: 1.77ct (total)
Size: 6.3 x 6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 16.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 723377
Weight: 1.48ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 14.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 416379
Weight: 1.20ct
Size: 18.2 x 2.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 451298
Weight: 1.43ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 13.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 394774
Weight: 3.96ct
Size: 10 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 719803
Weight: 1.12ct
Size: 6.1 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 20.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 673070
Weight: 6.28ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 17.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 476907
Weight: 7.68ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 30.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 383328
Weight: 1.81ct
Size: 20.2 x 3.4 mm
Clarity: VS
Content: 1 pc
Price: $ 45.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 391419
Weight: 30.47ct
Size: 28.9 x 23.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 640458
Weight: 0.90ct
Size: 5.6 x 5.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 715776
Weight: 3.39ct (total)
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 32.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 636579
Weight: 6.35ct
Size: 15.1 x 11.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 368860
Weight: 2.89ct
Size: 8.9 x 7.4 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 18.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 719432
Weight: 0.76ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 644402
Weight: 3.53ct (total)
Size: 8.5 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 19.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 394625
Weight: 1.13ct
Size: 7.5 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 55.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 706744
Weight: 44.08ct
Size: 38.8 x 26.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 700143
Weight: 0.82ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 7.87
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 696442
Weight: 47.54ct
Size: 36.3 x 27.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 85.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 705448
Weight: 33.15ct
Size: 23.9 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 645858
Weight: 22.50ct
Size: 21.2 x 17.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 401426
Weight: 9.84ct
Size: 12.6 x 12.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 708269
Weight: 3.56ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 3.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 492798
Weight: 4.51ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 32.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 662844
Weight: 4.15ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 720885
Weight: 1.21ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 10.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 712093
Weight: 5.03ct (total)
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 13.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 391139
Weight: 39.05ct (total)
Size: 33.5 x 13.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 77.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 613435
Weight: 0.54ct
Size: 4.8 mm
Clarity: VS
Content: 1 pc
Price: $ 34.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 585376
Weight: 7.70ct
Size: 14 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 72.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 712641
Weight: 1.86ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 712415
Weight: 22.02ct
Size: 20 x 20 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 58.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 564686
Weight: 3.90ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 684373
Weight: 0.53ct (total)
Size: 4.1 x 3.2 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 22.26
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
592
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 -> 7 star ratings

Okay thank you.

Posted By Bepc61 in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 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 love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 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
Enlarged Gemstone Image