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| ID: | 687549 |
| Weight: | 2.24ct (total) |
| Size: | 5.5 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 5.38 |
| Item in Stock | |
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| ID: | 672447 |
| Weight: | 12.30ct |
| Size: | 20 x 15 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 29.52 |
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| ID: | 669489 |
| Weight: | 19.19ct |
| Size: | 25 x 18 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 23.03 |
| Item in Stock | |
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| ID: | 669674 |
| Weight: | 8.56ct (total) |
| Size: | 10.5 x 10.3 mm |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 10.27 |
| Item in Stock | |
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| ID: | 721380 |
| Weight: | 9.47ct |
| Size: | 18 x 13 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 11.36 |
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| ID: | 668334 |
| Weight: | 4.81ct |
| Size: | 11 x 11 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 5.77 |
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| ID: | 722405 |
| Weight: | 9.38ct |
| Size: | 18 x 13 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 11.26 |
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| ID: | 687653 |
| Weight: | 1.78ct (total) |
| Size: | 5.5 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 4.27 |
| Item in Stock | |
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| ID: | 722394 |
| Weight: | 4.35ct |
| Size: | 10.5 x 10.3 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 5.22 |
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| ID: | 673310 |
| Weight: | 16.43ct |
| Size: | 21.9 x 18.7 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 39.43 |
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| ID: | 688337 |
| Weight: | 3.22ct (total) |
| Size: | 7 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 7.73 |
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| ID: | 722396 |
| Weight: | 4.50ct |
| Size: | 10.5 x 10.4 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 5.40 |
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| ID: | 687951 |
| Weight: | 1.31ct |
| Size: | 6.5 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 3.14 |
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pcs
| ID: | 669134 |
| Weight: | 4.24ct |
| Size: | 10 x 10 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 5.09 |
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pcs
| ID: | 668337 |
| Weight: | 10.74ct |
| Size: | 19.1 x 14.5 mm |
| Clarity: | Opaque |
| Price: | $ 9.89 |
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pcs
| ID: | 686808 |
| Weight: | 3.10ct (total) |
| Size: | 7 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 7.44 |
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| ID: | 672033 |
| Weight: | 19.82ct |
| Size: | 25 x 18 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 47.57 |
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pcs
| ID: | 668255 |
| Weight: | 9.56ct (total) |
| Size: | 11 x 11 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 11.47 |
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| ID: | 672932 |
| Weight: | 3.97ct |
| Size: | 13 x 11 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 9.53 |
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pcs
| ID: | 722140 |
| Weight: | 17.76ct (total) |
| Size: | 18 x 13 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 21.31 |
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| ID: | 688344 |
| Weight: | 2.89ct (total) |
| Size: | 7 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 6.94 |
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| ID: | 668915 |
| Weight: | 9.65ct (total) |
| Size: | 11 x 11 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 11.58 |
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| ID: | 669546 |
| Weight: | 21.26ct |
| Size: | 25 x 18 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 25.51 |
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| ID: | 722393 |
| Weight: | 4.35ct |
| Size: | 10.5 x 10.4 mm |
| Clarity: | Opaque |
| Price: | $ 5.22 |
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pcs
| ID: | 669431 |
| Weight: | 8.64ct (total) |
| Size: | 10.5 x 10.3 mm |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 10.37 |
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| ID: | 688345 |
| Weight: | 2.78ct (total) |
| Size: | 7 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 6.94 |
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| ID: | 669496 |
| Weight: | 26.89ct |
| Size: | 30.2 x 20.5 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 32.27 |
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| ID: | 687559 |
| Weight: | 2.06ct (total) |
| Size: | 6.5 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 4.94 |
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| ID: | 687778 |
| Weight: | 2.11ct (total) |
| Size: | 5.5 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 5.06 |
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| ID: | 669131 |
| Weight: | 4.24ct |
| Size: | 10 x 10 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 5.09 |
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pcs
| ID: | 673305 |
| Weight: | 21.84ct |
| Size: | 22 x 15.9 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 117.94 |
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| ID: | 672134 |
| Weight: | 4.71ct |
| Size: | 11 x 11 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 11.30 |
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pcs
| ID: | 687656 |
| Weight: | 1.96ct (total) |
| Size: | 5.5 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 4.70 |
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| ID: | 669129 |
| Weight: | 4.30ct |
| Size: | 10 x 10 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 5.16 |
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pcs
| ID: | 750843 |
| Weight: | 1.70ct (total) |
| Size: | 5.5 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 3.40 |
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| ID: | 721384 |
| Weight: | 8.80ct |
| Size: | 14.8 x 9.2 mm |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 10.56 |
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| ID: | 687779 |
| Weight: | 2.17ct (total) |
| Size: | 5.5 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 5.21 |
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| ID: | 673183 |
| Weight: | 8.25ct (total) |
| Size: | 13 x 11 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 19.80 |
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| ID: | 688034 |
| Weight: | 2.61ct (total) |
| Size: | 7 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 6.26 |
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| ID: | 668248 |
| Weight: | 8.59ct (total) |
| Size: | 10 x 10 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 10.31 |
| Item in Stock | |
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| ID: | 672032 |
| Weight: | 19.74ct |
| Size: | 25 x 18 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 47.38 |
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pcs
| ID: | 687838 |
| Weight: | 2.90ct (total) |
| Size: | 7 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 6.96 |
| Item in Stock | |
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| ID: | 722397 |
| Weight: | 10.51ct |
| Size: | 18 x 13 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 12.61 |
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pcs
| ID: | 687555 |
| Weight: | 2.48ct (total) |
| Size: | 6.5 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 5.95 |
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| ID: | 721385 |
| Weight: | 10.04ct |
| Size: | 18 x 13 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 12.05 |
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| ID: | 671953 |
| Weight: | 4.85ct |
| Size: | 11 x 11 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 11.64 |
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| ID: | 669125 |
| Weight: | 3.16ct |
| Size: | 9.8 x 9.3 mm |
| Clarity: | Opaque |
| Price: | $ 3.79 |
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pcs
| ID: | 669124 |
| Weight: | 3.30ct |
| Size: | 9.9 x 9.4 mm |
| Clarity: | Opaque |
| Price: | $ 3.96 |
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| ID: | 721383 |
| Weight: | 9.97ct |
| Size: | 18 x 13 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 11.96 |
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| ID: | 687551 |
| Weight: | 2.17ct (total) |
| Size: | 5.5 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 5.21 |
| Item in Stock | |
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| ID: | 688175 |
| Weight: | 2.04ct (total) |
| Size: | 5.5 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 4.90 |
| Item in Stock | |
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| ID: | 669896 |
| Weight: | 4.33ct |
| Size: | 10.4 x 10.3 mm |
| Clarity: | Opaque |
| Price: | $ 4.33 |
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pcs
| ID: | 673177 |
| Weight: | 8.18ct (total) |
| Size: | 13 x 11 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 19.63 |
| Item in Stock | |
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| ID: | 721600 |
| Weight: | 8.92ct |
| Size: | 18 x 13 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 10.70 |
| Item in Stock | |
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| ID: | 721376 |
| Weight: | 9.48ct |
| Size: | 18 x 13 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 1 pc |
| Price: | $ 11.38 |
| Item in Stock | |
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| ID: | 686815 |
| Weight: | 3.27ct (total) |
| Size: | 7 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 7.85 |
| Item in Stock | |
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| ID: | 687777 |
| Weight: | 2.12ct (total) |
| Size: | 5.5 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 5.09 |
| Item in Stock | |
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| ID: | 721784 |
| Weight: | 9.95ct |
| Size: | 18 x 13 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 11.94 |
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pcs
| ID: | 687652 |
| Weight: | 2.05ct (total) |
| Size: | 5.5 mm (calibrated) |
| Clarity: | Opaque |
| Content: | 2 pcs |
| Price: | $ 4.92 |
| Item in Stock | |
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| ID: | 672937 |
| Weight: | 4.16ct |
| Size: | 13 x 11 mm (calibrated) |
| Clarity: | Opaque |
| Price: | $ 9.98 |
| Item in Stock | |
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Why Buy Black Onyx from GemSelect?
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- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
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GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.
Posted By Maggie in August, 2025
Source: Bizrate
Overall Rating -> 10
Site is easy to navigate and the variety is great and how often new products are added is also great.
Posted By Jhidron in March, 2025
Source: Bizrate
Overall Rating -> 10
Great site for finding specific stones and sizes for individual pieces of jewelry
Posted By Designer in December, 2025
Source: Bizrate
Overall Rating -> 10
I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?
Posted By Lynn in September, 2025
Source: Bizrate
Overall Rating -> 10
I love the quality, package and info of your gems.
Posted By Diana in April, 2025
Source: Bizrate
Overall Rating -> 9 
Will know more once order received
Posted By Jim in September, 2025
Source: Bizrate
