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You Selected (46): Round Opal Gems Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal Clear All
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| ID: 3696761 pcs |
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| 4.74 ct Fire Opal |
| 12.3 mm |
| $ 153.72 |
| Item in Stock |
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| ID: 4508441 pcs |
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| 11.31 ct Chocolate Opal |
| 16.2 mm |
| $ 499.99 |
| Item in Stock |
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| ID: 4648942 pcs |
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| 2.98 ct Black Opal |
| 7.9 mm |
| $ 89.40 |
| Item in Stock |
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| ID: 3832461 pcs |
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| 0.75 ct Fire Opal |
| 6.8 mm |
| $ 24.02 |
| Item in Stock |
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| ID: 3673121 pcs |
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| 1.20 ct Fire Opal |
| 7.6 mm |
| $ 40.06 |
| Item in Stock |
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| ID: 4649484 pcs |
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| 2.34 ct Black Opal |
| 6 mm |
| $ 70.20 |
| Item in Stock |
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| ID: 3693651 pcs |
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| 3.79 ct Fire Opal |
| 11.5 mm |
| $ 122.91 |
| Item in Stock |
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| ID: 4560481 pcs |
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| 1.54 ct Fire Opal |
| 8.2 mm |
| $ 51.41 |
| Item in Stock |
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| ID: 4648932 pcs |
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| 1.56 ct Black Opal |
| 7.1 mm |
| $ 46.80 |
| Item in Stock |
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| ID: 4648962 pcs |
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| 1.50 ct Black Opal |
| 6.1 mm |
| $ 45.00 |
| Item in Stock |
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| ID: 3832351 pcs |
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| 0.78 ct Fire Opal |
| 6.8 mm |
| $ 24.98 |
| Item in Stock |
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| ID: 4649344 pcs |
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| 1.65 ct Black Opal |
| 5.1 mm |
| $ 49.50 |
| Item in Stock |
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| ID: 4649323 pcs |
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| 1.16 ct Black Opal |
| 5 mm |
| $ 34.80 |
| Item in Stock |
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| ID: 4648983 pcs |
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| 1.15 ct Black Opal |
| 5.1 mm |
| $ 34.50 |
| Item in Stock |
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| ID: 4648952 pcs |
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| 0.69 ct Black Opal |
| 5.1 mm |
| $ 20.70 |
| Item in Stock |
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| ID: 4649474 pcs |
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| 1.56 ct Black Opal |
| 5 mm |
| $ 46.80 |
| Item in Stock |
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| ID: 3832341 pcs |
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| 0.83 ct Fire Opal |
| 7.5 mm |
| $ 26.58 |
| Item in Stock |
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| ID: 3652311 pcs |
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| 15.09 ct Boulder Opal |
| 16.4 mm |
| $ 105.63 |
| Item in Stock |
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| ID: 3672164 pcs |
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| 2.85 ct Fire Opal |
| 6.4 mm |
| $ 95.05 |
| Item in Stock |
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| ID: 3832331 pcs |
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| 0.86 ct Fire Opal |
| 6.9 mm |
| $ 27.54 |
| Item in Stock |
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| ID: 3227301 pcs |
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| 11.89 ct Boulder Opal |
| 14.9 mm |
| $ 83.23 |
| Item in Stock |
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Round Opal Gems
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.
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.
