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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (332): Iolite Clear All
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ID: 3404901 pcs
2.13ct Iolite
12.07mm x 7.21mm x 4.95mm
USD 63.90
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ID: 2800719 pcs
1.55ctw Iolite
4.96mm x 3.07mm x 2.04mm
USD 9.30
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ID: 4122537 pcs
2.08ctw Iolite
5.00mm x 3.01mm x 2.63mm
USD 41.60
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ID: 4107691 pcs
1.23ct Iolite
9.46mm x 4.58mm x 3.49mm
USD 25.34
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ID: 28012110 pcs
2.01ctw Iolite
5.06mm x 3.03mm x 2.20mm
USD 12.06
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ID: 4308061 pcs
0.56ct Iolite
6.25mm x 4.59mm x 3.44mm
USD 11.20
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ID: 2800176 pcs
1.14ctw Iolite
4.92mm x 3.09mm x 2.13mm
USD 6.84
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ID: 2791846 pcs
3.36ctw Iolite
6.06mm x 4.09mm x 3.40mm
USD 47.04
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ID: 4105112 pcs
1.15ctw Iolite
7.93mm x 4.08mm x 3.40mm
USD 23.69
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ID: 4122517 pcs
2.04ctw Iolite
4.95mm x 3.00mm x 2.68mm
USD 40.80
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ID: 3404971 pcs
7.41ct Iolite
17.51mm x 11.63mm x 7.00mm
USD 422.37
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ID: 4084551 pcs
0.93ct Iolite
6.99mm x 6.90mm x 4.12mm
USD 19.20
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ID: 2550845 pcs
1.45ctw Iolite
4.92mm x 3.00mm x 2.65mm
USD 15.23
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ID: 4306481 pcs
0.59ct Iolite
6.93mm x 4.77mm x 3.29mm
USD 11.80
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ID: 2796536 pcs
3.33ctw Iolite
5.91mm x 4.04mm x 2.99mm
USD 39.96
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ID: 4301791 pcs
0.54ct Iolite
6.10mm x 4.05mm x 3.93mm
USD 10.80
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ID: 4303431 pcs
0.78ct Iolite
7.83mm x 4.04mm x 3.27mm
USD 15.60
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ID: 2796376 pcs
3.08ctw Iolite
5.98mm x 4.03mm x 2.75mm
USD 36.96
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ID: 41045610 pcs
2.14ctw Iolite
5.12mm x 3.26mm x 2.21mm
USD 22.00
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ID: 4303371 pcs
0.43ct Iolite
6.18mm x 4.55mm x 2.70mm
USD 8.60
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ID: 4306591 pcs
0.54ct Iolite
5.96mm x 4.13mm x 3.13mm
USD 10.80
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Iolite
The name iolite comes from the Greek "ios", which means violet. The Vikings probably mined iolite from deposits in Norway and Greenland. Viking sailors used iolite as a polarizing filter to find the sun on cloudy days for safe offshore navigation. Iolite is usually a purplish blue when cut properly, with a softness to the color that is quite attractive. The favorite color is that pretty, violet blue that is unlike other gemstones. Pleochroism is very pronounced in iolite and is seen as three different color shades in the same stone. In viewing an iolite stone, the colors violet blue, yellow gray and a light blue can be seen; all a result of pleochroism.

Its hardness of 7-7.5 makes iolite a suitable jewelry stone, though the presence of cleavage must be taken into account and some care taken, such as protection from blows. Iolite, a gem variety of the mineral cordierite, is an unusual stone indeed that is not commonly seen in jewelry. Iolite is known as the gemstone for clear vision.
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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