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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (2381): Iridescent Gemstones Rainbow Moonstone, Moonstone, Opal, Opal Doublet, Aventurine, Pearl, Labradorite, Sunstone, Rainbow Pyrite, Ammolite, Mother of Pearl Clear All
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ID: 4617361 pcs
thumb image of 1.3ct Oval Facet Multicolor Opal (ID: 461736)
1.26 ct Opal
10 x 8 mm
$ 44.55
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ID: 3390594 pcs
thumb image of 1.7ct Pear Facet Blue White Rainbow Moonstone (ID: 339059)
1.66 ct Rainbow Moonstone
5.2 x 5.1 mm
$ 28.22
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ID: 29788120 pcs
thumb image of 3.4ct Square Facet Blue White Rainbow Moonstone (ID: 297881)
3.39 ct Rainbow Moonstone
3.1 x 3 mm
$ 88.14
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ID: 3776301 pcs
thumb image of 31.3ct Cushion Cabochon Multicolor Ammolite (ID: 377630)
31.31 ct Ammolite
28.5 x 18.7 mm
$ 1181.64
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ID: 3519401 pcs
thumb image of 76.2ct Baguette Cabochon Multicolor Labradorite (ID: 351940)
76.16 ct Labradorite
37.1 x 22.2 mm
$ 152.32
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ID: 4622011 pcs
thumb image of 19.7ct Oval Cabochon Multicolor Opal (ID: 462201)
19.73 ct Opal
20.3 x 17.5 mm
$ 794.33
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ID: 3207504 pcs
thumb image of 11.3ct Drilled Sphere Silver Pink Pearl (ID: 320750)
11.31 ct Pearl
7.4 mm
$ 56.55
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ID: 3357931 pcs
thumb image of 14.4ct Spherical Golden Pearl (ID: 335793)
14.42 ct Pearl
12.5 mm
$ 294.31
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ID: 29788420 pcs
thumb image of 3.4ct Square Facet Blue White Rainbow Moonstone (ID: 297884)
3.37 ct Rainbow Moonstone
3.1 x 3 mm
$ 87.62
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ID: 2687252 pcs
thumb image of 33ct Round Cabochon Mocha Moonstone (ID: 268725)
33.03 ct Moonstone
16.2 mm
$ 148.64
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ID: 3396604 pcs
thumb image of 1.2ct Pear Facet Blue White Rainbow Moonstone (ID: 339660)
1.15 ct Rainbow Moonstone
5 x 5 mm
$ 19.55
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ID: 4535981 pcs
thumb image of 27.7ct Fancy Cabochon Multicolor Ammolite (ID: 453598)
27.74 ct Ammolite
29.5 x 19.4 mm
$ 1026.38
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ID: 4000962 pcs
thumb image of 4.4ct Round Cabochon Cream Moonstone (ID: 400096)
4.43 ct Moonstone
8.2 mm
$ 44.30
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ID: 35038520 pcs
thumb image of 2.6ct Square Facet Blue White Rainbow Moonstone (ID: 350385)
2.60 ct Rainbow Moonstone
2.8 x 2.8 mm
$ 45.08
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ID: 3153251 pcs
thumb image of 1.5ct Oval Facet Multicolor Opal (ID: 315325)
1.54 ct Opal
10.2 x 8.1 mm
$ 64.68
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ID: 2848211 pcs
thumb image of 5.4ct Fancy Cabochon Multicolor Ammolite (ID: 284821)
5.43 ct Ammolite
24.6 x 8.5 mm
$ 124.89
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ID: 29788520 pcs
thumb image of 3.4ct Square Facet Blue White Rainbow Moonstone (ID: 297885)
3.35 ct Rainbow Moonstone
3.1 x 3 mm
$ 87.10
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ID: 4629034 pcs
thumb image of 1.7ct Oval Facet Multicolor Opal (ID: 462903)
1.72 ct Opal
7.1 x 5.1 mm
$ 68.80
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ID: 4526491 pcs
thumb image of 17.5ct Fancy Cabochon Multicolor Ammolite (ID: 452649)
17.46 ct Ammolite
22.5 x 17 mm
$ 424.80
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ID: 3207494 pcs
thumb image of 12.1ct Drilled Sphere Silver Pink Pearl (ID: 320749)
12.12 ct Pearl
7.6 mm
$ 66.66
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ID: 3411675 pcs
thumb image of 1.2ct Pear Facet Blue White Rainbow Moonstone (ID: 341167)
1.17 ct Rainbow Moonstone
4.8 x 4.6 mm
$ 19.89
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Iridescent Gemstones

Iridescent Gemstones

Iridescent gemstones exhibit lustrous, rainbow-like colors that shimmer and change as they are tilted in the light, and are one of nature's most impressive creations. Iridescence is a highly-prized gemstone optical phenomenon resulting from the way that light either interacts or interferes with the structural anatomy of a gemstone. Iridescent gems make wonderful gifts that vary in price, from an affordable ammolite or labradorite cabochon to a priceless pearl.

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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