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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (2070): 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: 35186410 pcs
thumb image of 1.9ct Heart Facet Bluish White Rainbow Moonstone (ID: 351864)
1.94 ct Rainbow Moonstone
4 x 3.9 mm
$ 38.80
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ID: 3111181 pcs
thumb image of 1.7ct Pear Facet Multicolor Opal (ID: 311118)
1.66 ct Opal
12.2 x 9 mm
$ 66.40
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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: 3412504 pcs
thumb image of 1.1ct Pear Facet Blue White Rainbow Moonstone (ID: 341250)
1.10 ct Rainbow Moonstone
4.9 x 4.8 mm
$ 18.70
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ID: 2848011 pcs
thumb image of 5.3ct Fancy Cabochon Multicolor Ammolite (ID: 284801)
5.29 ct Ammolite
19.5 x 8.8 mm
$ 121.67
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ID: 3207434 pcs
thumb image of 13.5ct Drilled Sphere Cream Pink Pearl (ID: 320743)
13.51 ct Pearl
7.9 mm
$ 67.55
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ID: 4310791 pcs
thumb image of 0.6ct Oval Cabochon White Opal (ID: 431079)
0.60 ct Opal
6.1 x 5.3 mm
$ 12.00
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ID: 4526541 pcs
thumb image of 20.3ct Fancy Cabochon Multicolor Ammolite (ID: 452654)
20.31 ct Ammolite
24.1 x 16.9 mm
$ 494.14
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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: 3387805 pcs
thumb image of 1.1ct Pear Facet Blue White Rainbow Moonstone (ID: 338780)
1.11 ct Rainbow Moonstone
4.1 x 4 mm
$ 18.87
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ID: 4460041 pcs
thumb image of 7.6ct Oval Cabochon Cream Moonstone (ID: 446004)
7.56 ct Moonstone
14 x 10.2 mm
$ 15.20
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ID: 3776361 pcs
thumb image of 31ct Fancy Cabochon Multicolor Ammolite (ID: 377636)
30.98 ct Ammolite
29.5 x 16.8 mm
$ 1169.19
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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: 3207524 pcs
thumb image of 13.7ct Drilled Sphere Silver Pink Pearl (ID: 320752)
13.73 ct Pearl
7.9 mm
$ 75.52
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ID: 3393574 pcs
thumb image of 1.1ct Pear Facet Blue White Rainbow Moonstone (ID: 339357)
1.12 ct Rainbow Moonstone
5.2 x 5 mm
$ 19.04
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ID: 3282901 pcs
thumb image of 3ct Drilled Sphere Silver Pink Pearl (ID: 328290)
2.99 ct Pearl
7.6 mm
$ 14.95
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ID: 29788920 pcs
thumb image of 3.3ct Square Facet Blue White Rainbow Moonstone (ID: 297889)
3.33 ct Rainbow Moonstone
3 x 3 mm
$ 86.58
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ID: 3358471 pcs
thumb image of 14ct Spherical Golden Pearl (ID: 335847)
13.97 ct Pearl
12.4 mm
$ 285.13
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ID: 3391264 pcs
thumb image of 1.1ct Pear Facet Blue White Rainbow Moonstone (ID: 339126)
1.13 ct Rainbow Moonstone
4.9 x 4.9 mm
$ 19.21
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ID: 4026231 pcs
thumb image of 36.4ct Pear Crystal Cluster Multicolor Rainbow Pyrite (ID: 402623)
36.37 ct Rainbow Pyrite
30.5 x 21.3 mm
$ 109.11
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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