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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (131): Unheated Sapphire Sapphire, Star Sapphire, Color Change Sapphire Clear All
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ID: 4039187 pcs
1.32ctw Color-Change Sapphire
3.34mm x 1.97mm
USD 99.00
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ID: 4038065 pcs
1.89ctw Color-Change Sapphire
4.23mm x 2.44mm
USD 141.75
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ID: 2217986 pcs
2.65ctw Sapphire
7.13mm x 3.74mm x 2.12mm
USD 204.05
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ID: 40184710 pcs
2.20ctw Color-Change Sapphire
3.44mm x 2.22mm
USD 165.00
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ID: 4037414 pcs
0.64ctw Color-Change Sapphire
4.02mm x 2.89mm x 1.75mm
USD 48.00
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ID: 2401311 pcs
0.61ct Sapphire
6.04mm x 4.13mm x 2.84mm
USD 64.05
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ID: 2696373 pcs
2.85ctw Sapphire
6.16mm x 4.17mm
USD 141.08
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ID: 4039765 pcs
1.12ctw Color-Change Sapphire
4.28mm x 3.22mm x 1.98mm
USD 84.00
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ID: 4017197 pcs
1.56ctw Color-Change Sapphire
3.41mm x 2.23mm
USD 117.00
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ID: 2218106 pcs
2.78ctw Sapphire
7.04mm x 3.64mm x 2.21mm
USD 184.87
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ID: 2696163 pcs
2.83ctw Sapphire
5.99mm x 4.02mm
USD 133.72
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ID: 2696383 pcs
2.27ctw Sapphire
5.72mm x 3.81mm
USD 112.37
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ID: 4040628 pcs
1.60ctw Color-Change Sapphire
3.95mm x 2.97mm x 1.97mm
USD 120.00
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ID: 2696471 pcs
0.79ct Sapphire
6.29mm x 3.88mm
USD 37.33
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ID: 40194710 pcs
2.08ctw Color-Change Sapphire
3.36mm x 2.23mm
USD 156.00
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ID: 4040284 pcs
0.87ctw Color-Change Sapphire
3.36mm x 1.92mm
USD 65.25
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ID: 2525684 pcs
3.41ctw Sapphire
6.20mm x 3.93mm
USD 232.73
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ID: 4039167 pcs
1.52ctw Color-Change Sapphire
3.39mm x 2.15mm
USD 114.00
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ID: 2696263 pcs
1.98ctw Sapphire
5.24mm x 3.71mm
USD 98.01
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ID: 40155610 pcs
2.03ctw Color-Change Sapphire
3.44mm x 1.97mm
USD 152.25
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ID: 4037686 pcs
1.67ctw Color-Change Sapphire
3.92mm x 2.28mm
USD 125.25
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Unheated Sapphire
Sapphire, with its hardness of 9 on Mohs hardness, is second only to diamond, which renders it one of the most valuable and wearable gemstones of all-time. Sapphire is a 'precious four' gem and offers superb brilliance and rich, vibrant colors. Although most sapphire is heated or enhanced in other ways to improve color, clarity and stability, unheated and completely untreated natural sapphire can still be found. Usually unheated sapphire gems are found only in small sizes, but occasionally, large, clean stones are uncovered too. Because unheated sapphire is such a rarity, they are indeed relatively expensive, particularly unheated top-color blue 'Ceylon' sapphire. Unheated, natural sapphire is mostly sourced from Africa, though Australia and parts of Asia are known to produce some fine materials too.

As of recent times, Madagascar and Tanzania are two of the most important sources for fine untreated, unheated sapphire, as is Thailand. Tanzanian sapphire is usually pink to violet in color (often violet-blue), and many of the specimens exhibit very noticeable color change properties. Color-change unheated sapphire can be very expensive and is highly sought-after by both jewelers and gem collectors. Fine quality unheated sapphire gems from Madagascar, as well as Australia, display silk inclusions, which are highly desirable. The silky appearance is cause by rutile inclusions and the presence of such silk is usually a good indicator that the gem has not been heated, since rutile inclusions melt at a much lower temperatures than those at which sapphire is heated. Sapphire is also the official birthstone for those born in the month of September.

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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