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Buy Oval Opal Gemstones

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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (1054): Oval Opal Gemstones - Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal Clear All
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Multicolor Boulder Opal Gem - 42.7ct Oval Cabochon (ID: 322037)

Oval Multicolor Boulder Opal

42.7ct
27.5 x 20.8 mm
$ 299.11
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1 pc
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Reddish Orange Fire Opal Gem - 3.2ct Oval Facet (ID: 366922)

Oval Orange Fire Opal

3.2ct
11.7 x 9.1 mm
$ 126.36
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Multicolor Opal Gem - 8.5ct Oval Cabochon (ID: 465197)

Oval Multicolor Opal

8.5ct
18 x 11.4 mm
$ 347.75
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Multicolor Opal Gem - 10.6ct Oval Cabochon (ID: 462130)

Oval Multicolor Opal

10.6ct
19.1 x 13.3 mm
$ 428.37
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Yellow Opal Gem - 14.4ct Oval Cabochon (ID: 462223)

Oval Yellow Opal

14.4ct
22.2 x 13.6 mm
$ 579.34
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2 pcs
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Orange Fire Opal Gem - 0.9ct Oval Facet (ID: 453905)

Oval Orange Fire Opal

0.94 ct (total 1.87ctw)
8 x 6.1 mm
$ 49.26
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Multicolor Black Opal Gem - 0.8ct Oval Cabochon (ID: 500073)

Oval Multicolor Black Opal

0.8ct
8 x 6.1 mm
$ 22.80
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58 pcs
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Multicolor Opal Gem - 0.3ct Oval Cabochon (ID: 505384)

1 pc (avg. 0.32 ct) Multicolor Opal

6.2 x 4.1 mm
$ 8.10
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4 pcs
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Multicolor Opal Gem - 0.4ct Oval Facet (ID: 462688)

Oval Multicolor Opal

0.41 ct (total 1.65ctw)
7 x 5 mm
$ 66.00
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White Opal Gem - 11.9ct Oval Cabochon (ID: 462139)

Oval White Opal

11.9ct
17.7 x 13.7 mm
$ 478.69
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Multicolor Opal Gem - 1.5ct Oval Facet (ID: 321236)

Oval Multicolor Opal

1.5ct
9.3 x 7.2 mm
$ 58.40
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Multicolor Opal Gem - 15.7ct Oval Cabochon (ID: 462134)

Oval Multicolor Opal

15.7ct
19.5 x 17.1 mm
$ 632.89
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4 pcs
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Reddish Orange Fire Opal Gem - 1.1ct Oval Facet (ID: 367224)

Oval Orange Fire Opal

1.07 ct (total 4.27ctw)
8.2 x 6.5 mm
$ 142.40
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2 pcs
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Multicolor Opal Gem - 1.3ct Oval Cabochon (ID: 498911)

Oval Multicolor Opal

1.31 ct (total 2.61ctw)
8.9 x 7.1 mm
$ 68.12
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4 pcs
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Multicolor Opal Doublet Gem - 1ct Oval Cabochon (ID: 503210)

Oval Multicolor Opal Doublet

1.01 ct (total 4.03ctw)
8 x 6 mm
$ 107.96
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2 pcs
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Orange Fire Opal Gem - 1.1ct Oval Facet (ID: 450414)

Oval Orange Fire Opal

1.10 ct (total 2.19ctw)
8.9 x 7.1 mm
$ 58.65
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Yellow Opal Gem - 1.7ct Oval Facet (ID: 314779)

Oval Yellow Opal

1.7ct
10.1 x 8.2 mm
$ 68.40
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Multicolor Black Opal Gem - 2ct Oval Cabochon (ID: 473490)

Oval Multicolor Black Opal

2ct
9.2 x 7.3 mm
$ 41.44
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Multicolor Black Opal Gem - 0.7ct Oval Cabochon (ID: 500140)

Oval Multicolor Black Opal

0.7ct
8 x 6.1 mm
$ 21.00
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1 pc
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Orange Fire Opal Gem - 2.6ct Oval Facet (ID: 370405)

Oval Orange Fire Opal

2.6ct
11.1 x 8.9 mm
$ 69.93
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2 pcs
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Multicolor Black Opal Gem - 0.9ct Oval Cabochon (ID: 499846)

Oval Multicolor Black Opal

0.88 ct (total 1.76ctw)
8 x 6 mm
$ 52.80
Item in Stock
Oval Opal Gemstones
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.

Shop for oval opal gemstones in a variety of calibrated sizes, colors and origins. We have fire opal, opal doublets, common opal, black opal, boulder opal, chocolate opal and more in matching pairs, lots and cabochon or facet cuts.
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Great selection. Love the many learning features like articles and gem information. Prices competitive for natural stones. I do miss not having a selection of lab-made stones, CZ’s, etc, which are useful when price and cost are factors.
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Posted By BO in January, 2019
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As Always never disappointed in any gemstone I purchase from this site. I have never had a problem. Thank-You Gemselect for offering such a comprehensive variety . I will continue to order from this site.
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Overall Rating -> 10 star ratings
Easy to find what i'm looking for on website, very clear, like photos
Posted By Lifter in January, 2019
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Overall Rating -> 10 star ratings
Better than what I expected. Beautifully cut gem!
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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

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