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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (131): Marquise Shape 10x5 mm Gems Clear All
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ID: 4050762 pcs
2.64ctw Topaz
10.29mm x 5.14mm x 3.72mm
USD 18.35
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ID: 3708586 pcs
6.41ctw Amethyst
9.98mm x 5.02mm x 4.08mm
USD 38.46
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ID: 3708936 pcs
4.98ctw Amethyst
10.07mm x 4.96mm x 3.10mm
USD 29.88
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ID: 4123211 pcs
0.95ct Tanzanite
9.67mm x 5.02mm x 2.82mm
USD 66.50
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ID: 3521074 pcs
3.83ctw Amethyst
9.94mm x 5.02mm x 3.52mm
USD 26.81
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ID: 3892551 pcs
0.90ct Color-Change Diaspore
10.05mm x 4.88mm x 2.66mm
USD 29.35
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ID: 4050812 pcs
2.32ctw Topaz
10.02mm x 5.08mm x 3.40mm
USD 16.12
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ID: 4130231 pcs
1.53ct Rhodolite Garnet
10.08mm x 5.13mm x 3.62mm
USD 30.60
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ID: 4130221 pcs
1.46ct Rhodolite Garnet
10.09mm x 5.03mm x 3.58mm
USD 29.20
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ID: 3708596 pcs
5.13ctw Amethyst
10.03mm x 4.97mm x 3.24mm
USD 30.78
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ID: 4129012 pcs
2.27ctw Rhodolite Garnet
10.00mm x 4.94mm x 2.81mm
USD 45.40
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ID: 4050782 pcs
2.55ctw Topaz
10.20mm x 5.05mm x 3.63mm
USD 17.72
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ID: 3708556 pcs
4.79ctw Amethyst
9.94mm x 4.87mm x 3.11mm
USD 28.74
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ID: 3505491 pcs
1.24ct Spinel
10.33mm x 4.93mm x 3.52mm
USD 93.00
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ID: 4050832 pcs
2.31ctw Topaz
10.14mm x 5.08mm x 3.21mm
USD 16.05
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ID: 3520644 pcs
3.86ctw Amethyst
10.01mm x 5.06mm x 3.72mm
USD 27.02
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ID: 4153531 pcs
1.08ct Tsavorite Garnet
9.90mm x 4.84mm x 3.19mm
USD 648.00
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ID: 3646394 pcs
4.58ctw Citrine
9.87mm x 5.06mm x 3.94mm
USD 32.06
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ID: 4235534 pcs
3.38ctw Amethyst
10.01mm x 4.92mm x 3.47mm
USD 20.28
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ID: 4050842 pcs
3.12ctw Topaz
9.91mm x 5.02mm x 4.13mm
USD 21.68
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ID: 4129002 pcs
2.14ctw Rhodolite Garnet
9.89mm x 4.88mm x 2.70mm
USD 42.80
Item in Stock
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Marquise Shape 10x5 mm Gems
Some people by gems by color or price, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated marquise shaped facet cut gems, gemstone carvings and cabochons available in 10 mm x 5 mm sizes. For the largest selection of colored gemstones, Shop GemSelect Online.

As a general guideline, when it comes to calibrated gems, they are not usually expected to be cut to exact measurements and specifications. But rather, they're cut with slight variance in size, though the close approximatation in size is not clearly defined, there are general guidelines for what is considered acceptable. Obviously larger and heavy carat weight stones allow more room in size for variance, while smaller stones may leave little to none. This means a large 30mm calibrated gemstone, could actually be closer to 31 millimeters. For this reason, we recommend to always view the exact size in addition to the calibrated size details. The exact size will inform you of the variance you can expect. Some setting styles are more flexible with variance, such as prong settings, while other styles of mountings may need almost an exact size to the fraction of millimeter.

For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often round shape settings will allow 0.3 mm or slightly higher even. This small variance can usually be accommodated for most standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.

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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