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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (281): Black Opal Clear All
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20 pcs
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0.2ct Rondelle Multicolor Black Opal Gem (ID: 482316)
0.22 ct (total 4.41ctw) Black Opal
4.3 x 4.3 mm
$ 52.92
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1 pc
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6.9ct Pear Cabochon Multicolor Black Opal Gem (ID: 330246)
6.92 ct Black Opal
18.5 x 13.3 mm
$ 207.60
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2 pcs
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0.7ct Oval Cabochon Multicolor Black Opal Gem (ID: 500238)
0.73 ct (total 1.46ctw) Black Opal
8 x 6 mm
$ 43.80
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1 pc
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0.6ct Oval Cabochon Multicolor Black Opal Gem (ID: 500357)
0.61 ct Black Opal
7.7 x 5.8 mm
$ 18.30
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2 pcs
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1ct Oval Cabochon Multicolor Black Opal Gem (ID: 473366)
0.96 ct (total 1.91ctw) Black Opal
8.9 x 7.1 mm
$ 39.98
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1 pc
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0.7ct Oval Cabochon Multicolor Black Opal Gem (ID: 500360)
0.66 ct Black Opal
8.1 x 6.1 mm
$ 19.80
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1 pc
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3ct Oval Cabochon Multicolor Black Opal Gem (ID: 490468)
2.99 ct Black Opal
11.8 x 9.8 mm
$ 45.00
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1 pc
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1.4ct Oval Cabochon Multicolor Black Opal Gem (ID: 490769)
1.41 ct Black Opal
10.1 x 8.1 mm
$ 21.22
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1 pc
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2.1ct Round Cabochon Multicolor Black Opal Gem (ID: 473782)
2.09 ct Black Opal
9 mm
$ 43.74
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20 pcs
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0.2ct Rondelle Multicolor Black Opal Gem (ID: 482313)
0.19 ct (total 3.78ctw) Black Opal
4.4 x 4.2 mm
$ 45.36
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1 pc
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0.7ct Oval Cabochon Multicolor Black Opal Gem (ID: 500356)
0.71 ct Black Opal
8.2 x 6.2 mm
$ 21.30
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1 pc
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1.8ct Oval Cabochon Multicolor Black Opal Gem (ID: 473447)
1.84 ct Black Opal
9.2 x 7.2 mm
$ 38.51
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2 pcs
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0.9ct Oval Cabochon Multicolor Black Opal Gem (ID: 500244)
0.86 ct (total 1.72ctw) Black Opal
8 x 6.1 mm
$ 51.60
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1 pc
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0.7ct Oval Cabochon Multicolor Black Opal Gem (ID: 500068)
0.74 ct Black Opal
8 x 6.1 mm
$ 22.20
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1 pc
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0.7ct Oval Cabochon Multicolor Black Opal Gem (ID: 500358)
0.72 ct Black Opal
8.1 x 6.2 mm
$ 21.60
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30 pcs
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0.1ct Rondelle Multicolor Black Opal Gem (ID: 482437)
0.14 ct (total 4.25ctw) Black Opal
4.1 x 3.9 mm
$ 51.00
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1 pc
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0.7ct Pear Cabochon Multicolor Black Opal Gem (ID: 501345)
0.74 ct Black Opal
9.2 x 6.1 mm
$ 22.20
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1 pc
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3.3ct Oval Cabochon Multicolor Black Opal Gem (ID: 501344)
3.31 ct Black Opal
12.2 x 9.3 mm
$ 99.30
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1 pc
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0.8ct Oval Cabochon Multicolor Black Opal Gem (ID: 500138)
0.75 ct Black Opal
8 x 6 mm
$ 22.50
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30 pcs
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0.1ct Rondelle Multicolor Black Opal Gem (ID: 482441)
0.12 ct (total 3.72ctw) Black Opal
4 x 3.9 mm
$ 44.64
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4 pcs
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1.3ct Oval Cabochon Multicolor Black Opal Gem (ID: 473742)
1.30 ct (total 5.20ctw) Black Opal
9.1 x 7.2 mm
$ 108.84
Item in Stock
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Black Opal

About Black Opal

Black Opal is a gorgeous stone that displays beautiful multicolored effects. It is widely available as treated black opal which undergoes a smoke treatment to bring out its color. This opal is often produced or mined in Ethiopia.

The smoking process deepens the color of the Opal and enhances the play of color. It is made to appear closer to Lightning Ridges Opal through this process. The Ethiopian Black Opal is a great value gemstone with a masculine appearance and therefore an affordable alternative to Untreated Black Opal.

Are you looking for a selection of different Opal? Shop All Varieties of Opal.

How can I Purchase Black Opal from GemSelect?

At GemSelect we offer an affordable price and an extensive selection of Black Opal. Our Stones are available as Single Stones, Pairs, and Lots for Jewelers. Black Opal is available exclusively in Cabochon Cut and available in a few shapes including a vast selection of Oval Shaped Cabochons.

Fancy Cut, Lots of Black Opal, are available as Rondelle beads with a drilled hole. Feel free to filter our results by size, shape, price, or dimensions for your convenience. If you have any questions about ordering or anything else regarding GemSelect, please visit our FAQ

What Colors can Black Opal Display?

The exciting part of this question is the answer to it which is all colors; however, we do tend to see some uniformity to the stones as they tend to lean more to green, red, purple, or yellow, etc. Some Black Opals are almost entirely black with only a flare of colors while others can appear with the base hues we’ve mentioned above. Some of the stones appear speckled or even marbled. The unique properties are what give character and qualities to each sample, and we believe you will have no trouble finding a stone to your taste with our enormous selection!

What is 'Lightning Ridge Black Opal?'

Natural and Untreated Black Opal is one of the most valuable Opals that exists. It is an incredibly rare, and incredibly expensive for that reason. The Black Opal found in Australia’s Lightning Ridge displays remarkable effects through simple cutting and polishing of the raw stones. These stones have given Black Opal its claim to fame. We don’t have ‘Untreated Black Opal’ often due to its rarity but feel free to check our inventory of Black Opal often if you should so choose.

Is Black Opal a Suitable Birthstone or Anniversary Stone Gift?

Yes, of course! Black Opal is the Gemstone to purchase your loved ones who were born in October. It is an affordable and masculine stone which can appear in numerous jewelry applications due to its availability. If you are looking to purchase Black Opal for an Anniversary Gift ‘be sure’ it’s the 14th as Opal is the accepted gift for this particular year.

Purchasing Black Opal for either of these occasions and having a custom piece made is an excellent idea.

What Kinds of Jewelry are suitable for Black Opal?

Black Opal’s are suitable for many kinds of Jewelry including rings, necklaces, pendants, earrings, bracelets, and more. They happen to be excellent for men’s jewelry and women’s. If you’re interested in designing a ring or pendant, we suggest searching individual cabochons. If earrings are the design, you’re considering; please search our pairs as they’re size and color matched for convince. Black Opal is available as beads too for bracelets and necklaces and lots for jewelers.

Certified Customer Reviews
Overall Rating -> 10 star ratings
Satisfied with gem & purchase process! Thanks!
Posted By in October, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Easy to see the gemstones you are buying, easy to see prices and shipping.
Posted By Amy in October, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I have been using GemSelect for at lest five years and I have no complaints!
Posted By in October, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
This site always has beautiful stones to choose from and you will get the actual gem that is pictured. The shipping is fast and reasonably priced.
Posted By CAC in October, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I have not gotten my gems, but when i do i will be very happy, yet i did not like you had to pay $15 extra for faster shipping
Posted By Jack in October, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I love GemSelect, personally. I browse their site almost daily to see all the new stones available. Their selection is pretty amazing. The quality isn't always the highest and the cut of the stones isn't always perfect. But for the price, and if you look hard enough, you can find a real gem, so to speak.
Posted By Patrick in September, 2018
Source: Bizrate
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart