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You Selected (143): Marquise Shape 10x5 mm Gems Clear All
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ID: 4363061 pcs
thumb image of 1.4ct Marquise Cabochon Colorless Golden Rutile Quartz (ID: 436306)
1.41 ct Rutile Quartz
9.8 x 5.1 mm
$ 3.47
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ID: 4130291 pcs
thumb image of 1.2ct Marquise Facet Raspberry Red Rhodolite Garnet (ID: 413029)
1.24 ct Rhodolite Garnet
9.9 x 4.9 mm
$ 24.80
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ID: 4363111 pcs
thumb image of 1.5ct Marquise Cabochon Colorless Golden Rutile Quartz (ID: 436311)
1.46 ct Rutile Quartz
10.1 x 5.1 mm
$ 3.59
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ID: 4363081 pcs
thumb image of 1.5ct Marquise Cabochon Colorless Golden Rutile Quartz (ID: 436308)
1.49 ct Rutile Quartz
10.1 x 5.2 mm
$ 3.67
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ID: 4363171 pcs
thumb image of 1.5ct Marquise Cabochon Colorless Golden Rutile Quartz (ID: 436317)
1.49 ct Rutile Quartz
10 x 5.1 mm
$ 3.67
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ID: 3258431 pcs
thumb image of 1.3ct Marquise Facet Rose Malaya Garnet (ID: 325843)
1.27 ct Malaya Garnet
9.9 x 5 mm
$ 91.44
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ID: 4618581 pcs
thumb image of 0.8ct Marquise Cabochon Multicolor Opal Doublet (ID: 461858)
0.75 ct Opal Doublet
10.2 x 5.2 mm
$ 11.29
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ID: 4469082 pcs
thumb image of 1.4ct Marquise Cabochon Blue Opal Doublet (ID: 446908)
1.41 ct Opal Doublet
10.1 x 5.2 mm
$ 21.15
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ID: 4024741 pcs
thumb image of 1.2ct Marquise Facet Pink Red Ruby (ID: 402474)
1.23 ct Ruby
10 x 5.1 mm
$ 861.00
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ID: 4130221 pcs
thumb image of 1.5ct Marquise Facet Raspberry Red Rhodolite Garnet (ID: 413022)
1.46 ct Rhodolite Garnet
10.1 x 5 mm
$ 29.20
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ID: 3708956 pcs
thumb image of 5.2ct Marquise Facet Violet Amethyst (ID: 370895)
5.20 ct Amethyst
10 x 4.9 mm
$ 31.20
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ID: 3663591 pcs
thumb image of 1.3ct Marquise Facet Golden Green Chrysoberyl (ID: 366359)
1.26 ct Chrysoberyl
10.2 x 5.1 mm
$ 134.10
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ID: 4058911 pcs
thumb image of 1.6ct Marquise Facet Pink Red Ruby (ID: 405891)
1.61 ct Ruby
10 x 4.9 mm
$ 1127.00
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ID: 4541452 pcs
thumb image of 2.7ct Marquise Facet Sky Blue Topaz (ID: 454145)
2.71 ct Topaz
10 x 5 mm
$ 18.97
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ID: 4153531 pcs
thumb image of 1.1ct Marquise Facet Green Tsavorite Garnet (ID: 415353)
1.08 ct Tsavorite Garnet
9.9 x 4.8 mm
$ 648.00
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ID: 4468197 pcs
thumb image of 5.2ct Marquise Cabochon Multicolor Opal Doublet (ID: 446819)
5.19 ct Opal Doublet
10.2 x 5.1 mm
$ 77.85
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ID: 4492624 pcs
thumb image of 2.8ct Marquise Cabochon Multicolor Opal Doublet (ID: 449262)
2.79 ct Opal Doublet
9.9 x 5 mm
$ 40.71
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ID: 4469278 pcs
thumb image of 5.1ct Marquise Cabochon Blue Opal Doublet (ID: 446927)
5.07 ct Opal Doublet
10 x 4.9 mm
$ 76.05
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ID: 3671251 pcs
thumb image of 1.2ct Marquise Facet Golden Green Chrysoberyl (ID: 367125)
1.15 ct Chrysoberyl
9.9 x 5 mm
$ 121.46
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ID: 4468167 pcs
thumb image of 4.9ct Marquise Cabochon Multicolor Opal Doublet (ID: 446816)
4.93 ct Opal Doublet
10 x 5.1 mm
$ 73.95
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ID: 4492091 pcs
thumb image of 0.9ct Marquise Cabochon Multicolor Opal Doublet (ID: 449209)
0.89 ct Opal Doublet
10.2 x 5.1 mm
$ 12.99
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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