search
  • Sign In
    Sign Up
  • English speaking customer support only

    1-800-464-1640

    International:

    +66-39601289

  • Change Language
  • USD
  • CART
FREE SHIPPING

Buy 12 mm Agate Gems

(17)
12 mm Agate Weight 12 mm Agate Size 12 mm Agate Clarity 12 mm Agate Price 12 mm Agate Origin
More
12 mm Agate Single
12 mm Agate Pairs
12 mm Agate Lots
12 mm Agate Faceted
12 mm Agate Cabochons
Sort By:
Clear All
Photos are of Actual Products for Sale

7.82 ct Loose Round Agate, 11.6 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 7.82 carat weight Agate

7.82ct1 Piece
$ 13.29
11.6 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 7.82 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 11.6 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Opaque Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

8.19 ct Round Agate, 12.3 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 8.19 carat weight Agate

8.19ct1 Piece
$ 16.38
12.3 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 8.19 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 12.3 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Translucent Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

8.27 ct Loose Round Agate, 11.6 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 8.27 carat weight Agate

8.27ct1 Piece
$ 14.06
11.6 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 8.27 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 11.6 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Opaque Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

8.02 ct Loose Round Agate, 12.2 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 8.02 carat weight Agate

8.02ct1 Piece
$ 13.63
12.2 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 8.02 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 12.2 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Opaque Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

8.02 ct Round Agate, 12.4 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 8.02 carat weight Agate

8.02ct1 Piece
$ 16.04
12.4 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 8.02 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 12.4 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Translucent Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

8.67 ct Loose Round Agate, 12.2 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 8.67 carat weight Agate

8.67ct1 Piece
$ 14.74
12.2 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 8.67 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 12.2 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Opaque Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

8.35 ct Round Agate, 12.1 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 8.35 carat weight Agate

8.35ct1 Piece
$ 16.70
12.1 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 8.35 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 12.1 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Translucent Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

8.29 ct Loose Round Agate, 11.8 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 8.29 carat weight Agate

8.29ct1 Piece
$ 14.09
11.8 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 8.29 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 11.8 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Opaque Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

8.18 ct Round Agate, 12.3 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 8.18 carat weight Agate

8.18ct1 Piece
$ 8.18
12.3 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 8.18 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 12.3 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Translucent Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

9.66 ct Loose Round Agate, 12 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 9.66 carat weight Agate

9.66ct1 Piece
$ 16.42
12 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 9.66 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 12 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Opaque Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

7.66 ct Loose Round Agate, 11.7 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 7.66 carat weight Agate

7.66ct1 Piece
$ 13.02
11.7 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 7.66 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 11.7 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Opaque Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

7.46 ct Round Agate, 12 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 7.46 carat weight Agate

7.46ct1 Piece
$ 14.92
12 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 7.46 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 12 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Translucent Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

8 ct Round Agate, 12.2 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 8.00 carat weight Agate

8.00ct1 Piece
$ 6.40
12.2 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 8.00 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 12.2 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Translucent Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

9.33 ct Loose Round Agate, 12.3 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 9.33 carat weight Agate

9.33ct1 Piece
$ 15.86
12.3 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 9.33 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 12.3 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Opaque Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

7.88 ct Round Agate, 11.9 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 7.88 carat weight Agate

7.88ct1 Piece
$ 6.30
11.9 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 7.88 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 11.9 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Translucent Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

7.04 ct Round Agate, 12.1 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 7.04 carat weight Agate

7.04ct1 Piece
$ 5.63
12.1 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 7.04 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 12.1 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Translucent Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart

8.1 ct Loose Round Agate, 12.3 mm From Indonesia

Buy Natural Agate, Qty: 1 pc | 8.10 carat weight Agate

8.10ct1 Piece
$ 13.77
12.3 mm
Item Description
Stone Type: Loose Agate
Agate Weight: 8.10 ct Agate
Agate Shape: Round Cabochon Agate
Agate Size: 12.3 mm Agate
Agate Color: Multicolor Agate
Agate Clarity: Opaque Agate
Agate Origin: Indonesia Agate
Agate Treatment: Untreated
Agate Quantity: 1
Agate Certificate: GemSelect
Product Description:
View Details
Add to Cart
Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

It was easy to find the color gem I desired and checkout was simple as well. Very excited to receive my gemstone.

Posted By Nikki J in September, 2023
Source: Bizrate

Overall Rating -> 9 star ratings

I am of the opinion that the company gem select cares about the product beautiful gems it sells and the cost of the gem I purchased was small i was treated as if it cost a lot of money and product was described in detail and i felt good about the little stones i had ordered.

Posted By Sparkle in March, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

My overall interaction with your website was pleasant, as always.

Posted By RJ in April, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

The gem stone always has a great selection of beautiful stones. The calibrated stone fit my ring perfectly. Thank you gem select !

Posted By Jen in August, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

Had a problem ordering first time. Someone from Gem Select reached out to me and cleared problem and I made purchase.

Posted By Myrtle in February, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Convenient selection, arrival on time

Posted By Alin in February, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I find the website user friendly.

Posted By Becky in August, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

I was pleased with the selection of gems, the ease of navigating, and the smooth checkout

Posted By JamesMichael781 in September, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

I have used gm select a while ago and was always pleased with the products

Posted By Jaytee in November, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

Selection and purchasing online was very easy

Posted By Aggy in January, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Purchasing from Gem Select was a pleasant and easy experience. The photos of the stones I was interested in were an accurate depiction of the stones I received. Ordering was easy and the items arrived within a week. Over all it was a very positive experience.

Posted By Dee in September, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

I have started a small gem brokerage. I find stones to meet clients needs. Gemselect has helped me find what people what.

Posted By Pirates Bounty in April, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very pleased with shopping on this site. It's easy to navigate and information about gemstones is very good.

Posted By Kate in December, 2023
Source: Bizrate

Overall Rating -> 9 star ratings

Well presented images, clear information, quick and easy check out.

Posted By Mr. Bezel in July, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

The website is easy to search, the variety of gems is excellent and the educational information is interesting and helpful! Love browsing and shopping the GemSelect website!

Posted By Happiness in January, 2024
Source: Bizrate
STAY IN TOUCH | NEWSLETTER
*You're signing up to receive GemSelect promotional email.
Partners and Trust Payment options

Switch to Mobile Version

Copyright © 2005-2024 GemSelect.com all rights reserved.

Reproduction (text or graphics) without the express written consent of GemSelect.com (SETT Company Ltd.) is strictly prohibited.

31662

Continue Shopping
Checkout
Continue Shopping
Checkout