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

    1-800-464-1640

    International:

    +66-39601289

  • Change Language
  • USD
  • CART
FREE SHIPPING

Buy Round Opal Gems

(90)
Round Opal Gems Weight Round Opal Gems Size Round Opal Gems Clarity Round Opal Gems Price Round Opal Gems Origin
More
Round Opal Gems Single
Round Opal Gems Pairs
Round Opal Gems Lots
Round Opal Gems Faceted
Round Opal Gems Cabochons
Sort By:
Clear All
Photos are of Actual Products for Sale

1.26 ct Round Cut Fire Opal, 8.1 mm From Mexico

Natural Fire Opal, Qty: 1 pc | 1.26 carat weight Fire Opal

1.26ct1 Piece
$ 44.10
8.1 mm
Item Description
Stone Type: Loose Fire Opal
Fire Opal Weight: 1.26 ct Fire Opal
Fire Opal Shape: Round Facet Fire Opal
Fire Opal Size: 8.1 mm Fire Opal
Fire Opal Color: Bright Orange Fire Opal
Fire Opal Clarity: Transparent Fire Opal
Fire Opal Origin: Mexico Fire Opal
Fire Opal Treatment: Untreated
Fire Opal Quantity: 1
Fire Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
Select pcs
$ 21.71
6.8 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.87 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 6.8 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart

0.64 ct Round Chocolate Opal, 6 mm From Ethiopia

Natural Chocolate Opal, Qty: 1 pc | 0.64 carat weight Chocolate Opal

0.64ct1 Piece
$ 21.12
6 mm
Item Description
Stone Type: Loose Chocolate Opal
Chocolate Opal Weight: 0.64 ct Chocolate Opal
Chocolate Opal Shape: Round Cabochon Chocolate Opal
Chocolate Opal Size: 6 mm Chocolate Opal
Chocolate Opal Color: Multicolor Chocolate Opal
Chocolate Opal Clarity: Translucent Chocolate Opal
Chocolate Opal Origin: Ethiopia Chocolate Opal
Chocolate Opal Treatment: Untreated
Chocolate Opal Quantity: 1
Chocolate Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart

1.13 ct Round Cut Fire Opal, 8.1 mm From Mexico

Natural Fire Opal, Qty: 1 pc | 1.13 carat weight Fire Opal

1.13ct1 Piece
$ 39.55
8.1 mm
Item Description
Stone Type: Loose Fire Opal
Fire Opal Weight: 1.13 ct Fire Opal
Fire Opal Shape: Round Facet Fire Opal
Fire Opal Size: 8.1 mm Fire Opal
Fire Opal Color: Fire Orange Fire Opal
Fire Opal Clarity: Transparent Fire Opal
Fire Opal Origin: Mexico Fire Opal
Fire Opal Treatment: Untreated
Fire Opal Quantity: 1
Fire Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
Select pcs
$ 19.73
6.9 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.81 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 6.9 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart

0.84 ct Round Chocolate Opal, 8 mm From Ethiopia

Natural Chocolate Opal, Qty: 1 pc | 0.84 carat weight Chocolate Opal

0.84ct1 Piece
$ 27.72
8 mm
Item Description
Stone Type: Loose Chocolate Opal
Chocolate Opal Weight: 0.84 ct Chocolate Opal
Chocolate Opal Shape: Round Cabochon Chocolate Opal
Chocolate Opal Size: 8 mm Chocolate Opal
Chocolate Opal Color: Multicolor Chocolate Opal
Chocolate Opal Clarity: Translucent Chocolate Opal
Chocolate Opal Origin: Ethiopia Chocolate Opal
Chocolate Opal Treatment: Untreated
Chocolate Opal Quantity: 1
Chocolate Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
3.04ct (total)4 Pieces
$ 71.26
6.6 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.76 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 6.6 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 4
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
1.13ct1 Piece
$ 27.85
7.1 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.13 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 7.1 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
1.10ct1 Piece
$ 27.12
7.1 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.10 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 7.1 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
6.67ct (total)4 Pieces
$ 186.76
8 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.67 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 8 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 4
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
2.07ct (total)2 Pieces
$ 51.03
7 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.04 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 7 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 2
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
5.72ct (total)4 Pieces
$ 176.18
7.9 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.43 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 7.9 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 4
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
1.94ct (total)5 Pieces
$ 41.34
5.1 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.39 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 5.1 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 5
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
1.93ct (total)3 Pieces
$ 74.31
6.1 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.64 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 6.1 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 3
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
2.15ct (total)2 Pieces
$ 53.00
7.2 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.08 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 7.2 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 2
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
2.12ct (total)3 Pieces
$ 49.70
6.1 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.71 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 6.1 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 3
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart

11.65 ct Round Boulder Opal, 17 mm From Australia

Natural Boulder Opal, Qty: 1 pc | 11.65 carat weight Boulder Opal

11.65ct1 Piece
$ 81.55
17 mm
Item Description
Stone Type: Loose Boulder Opal
Boulder Opal Weight: 11.65 ct Boulder Opal
Boulder Opal Shape: Round Cabochon Boulder Opal
Boulder Opal Size: 17 mm Boulder Opal
Boulder Opal Color: Multicolor Boulder Opal
Boulder Opal Clarity: Opaque Boulder Opal
Boulder Opal Origin: Australia Boulder Opal
Boulder Opal Treatment: Untreated
Boulder Opal Quantity: 1
Boulder Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
2.04ct (total)5 Pieces
$ 43.47
5.1 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.41 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 5.1 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 5
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
6.46ct (total)5 Pieces
$ 198.97
7.9 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.29 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 7.9 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 5
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
0.94ct1 Piece
$ 23.18
7.1 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.94 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 7.1 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
5.56ct (total)4 Pieces
$ 171.25
8 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.39 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 8 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 4
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
5.09ct (total)4 Pieces
$ 142.52
7.9 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.27 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 7.9 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 4
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
1.77ct (total)4 Pieces
$ 41.49
5.9 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.44 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 5.9 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 4
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart

4.55 ct Round Black Opal, 12.1 mm From Ethiopia

Natural Black Opal, Qty: 1 pc | 4.55 carat weight Black Opal

4.55ct1 Piece
$ 136.50
12.1 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 4.55 ct Black Opal
Black Opal Shape: Round Cabochon Black Opal
Black Opal Size: 12.1 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Opaque Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 1
Black Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
3.43ct (total)4 Pieces
$ 80.40
7.1 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.86 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 7.1 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 4
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
0.85ct1 Piece
$ 20.96
7 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.85 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 7 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
1.12ct1 Piece
$ 36.96
8.1 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.12 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 8.1 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Opaque Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Smoked
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart

9.18 ct Round Black Opal, 15 mm From Ethiopia

Natural Black Opal, Qty: 1 pc | 9.18 carat weight Black Opal

9.18ct1 Piece
$ 275.40
15 mm
Item Description
Stone Type: Loose Black Opal
Black Opal Weight: 9.18 ct Black Opal
Black Opal Shape: Round Cabochon Black Opal
Black Opal Size: 15 mm Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Translucent Black Opal
Black Opal Origin: Ethiopia Black Opal
Black Opal Treatment: Smoked
Black Opal Quantity: 1
Black Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
1.70ct (total)4 Pieces
$ 36.23
5.2 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.43 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 5.2 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 4
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
1.15ct1 Piece
$ 28.35
7.2 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.15 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 7.2 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
2.70ct (total)4 Pieces
$ 63.29
6.2 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.68 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 6.2 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 4
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
5.36ct1 Piece
$ 134.00
12.4 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 5.36 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 12.4 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Australia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
1.08ct1 Piece
$ 26.62
7.1 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.08 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 7.1 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
0.82ct1 Piece
$ 27.06
6.3 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.82 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 6.3 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Opaque Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Smoked
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
Select pcs
$ 17.32
6.7 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 0.71 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 6.7 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Transparent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 1
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
4.71ct (total)4 Pieces
$ 145.07
7.9 mm
Item Description
Stone Type: Loose Opal
Opal Weight: 1.18 ct Opal
Opal Shape: Round Cabochon Opal
Opal Size: 7.9 mm Opal
Opal Color: Multicolor Opal
Opal Clarity: Translucent Opal
Opal Origin: Ethiopia Opal
Opal Treatment: Untreated
Opal Quantity: 4
Opal Certificate: GemSelect
Product Description:
View Details
Add to Cart
1 2 3
1 - 3
More than any other gem, each opal is distinctly an individual. No other stone has as rich and varied a folklore. Opals are also the most delicate gems commonly worn. They require special care to ensure their health and longevity.

Opal's fire was long thought to be the result of iridescence. However, with the advent of scanning electron microscopes, we now know that it is a result of diffraction.

Opal is relatively soft, with a rating of 5.5-6.5 on the Mohs scale. Despite its frequent use in rings, opal is a poor choice for a ring stone; it is much better suited to earrings, pins, and pendants.

Major suppliers include Australia, Brazil, Mexico, and the US. Values are normally determined by the presence and nature of color flashes.

Round opal gemstones are available in singles, matched pairs and gem lots. Round opal gems fit various jewelry designs, whether they are used as center stones or accent stones. Choose from various round opal stones in calibrated sizes, including black opal, boulder opal, chocolate opal and opal doublets. Use the search filters at the top of the page to find the perfect round opal gems by size, carat weight, price or origin. The tick boxes will direct you to singles, pairs, lots, faceted gems or cabs.
Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Everything fine.

Posted By Hilario in December, 2023
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 -> 8 star ratings

I am currently pleased. I like the layout of the website.

Posted By RayPoppa in January, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

My only complaint is that there are so many beautiful and affordable stones that I get distracted from what I planned to order.

Posted By Phoenix in March, 2024
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

I searched for the item by description and millimeter and had my choice come up and then made the best selection.

Posted By Tim in April, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very good customer service. I had an issue on my end with shipping and I received a response the next day!

Posted By Orphanboy in December, 2023
Source: Bizrate

Overall Rating -> 9 star ratings

making my own jewelry for my birth stone

Posted By LoveGeo in July, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

I loved the opportunity to shop on a website that I could trust 👍

Posted By Will J. Lover in September, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection of products. Website easy to navigate and make purchases.

Posted By David in April, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

Todo muy bien en la compra ahora esperar recibir el pedido.

Posted By MAGSMX in August, 2023
Source: Bizrate

Overall Rating -> 10 star ratings

The website is easy to navigate and the images are incredible.

Posted By Lindsy in October, 2023
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

Everything was fine.

Posted By Matt in March, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use,I have spent many hours looking at the site

Posted By Skip in November, 2023
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.

1597

Continue Shopping
Checkout
Continue Shopping
Checkout