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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (103): Marquise Shape 6x3 mm Gems Clear All
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ID: 3589326 pcs
thumb image of 1.6ct Marquise Facet Violet Pink Sapphire (ID: 358932)
1.64ct Sapphire
6.01 x 3.06 x 1.83mm
USD 76.39
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ID: 39912710 pcs
thumb image of 3ct Marquise Facet Swiss Blue Topaz (ID: 399127)
2.95ct Topaz
6.09 x 3.10 x 2.26mm
USD 20.65
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ID: 3592696 pcs
thumb image of 1.8ct Marquise Facet Yellowish Green Sapphire (ID: 359269)
1.78ct Sapphire
6.03 x 3.07 x 2.06mm
USD 80.10
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ID: 2759814 pcs
thumb image of 1.3ct Marquise Facet Mandarin Orange Sapphire (ID: 275981)
1.25ct Sapphire
5.96 x 3.08 x 1.73mm
USD 28.75
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ID: 3589336 pcs
thumb image of 1.8ct Marquise Facet Violet Pink Sapphire (ID: 358933)
1.75ct Sapphire
5.98 x 3.07 x 1.95mm
USD 81.52
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ID: 3592876 pcs
thumb image of 1.4ct Marquise Facet Violet Pink Sapphire (ID: 359287)
1.41ct Sapphire
6.04 x 2.96 x 1.63mm
USD 63.45
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ID: 3592896 pcs
thumb image of 1.4ct Marquise Facet Pink Sapphire (ID: 359289)
1.39ct Sapphire
5.84 x 2.97 x 1.66mm
USD 62.55
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ID: 3590036 pcs
thumb image of 1.5ct Marquise Facet Violet Pink Sapphire (ID: 359003)
1.50ct Sapphire
5.98 x 3.02 x 1.71mm
USD 69.87
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ID: 3592756 pcs
thumb image of 1.7ct Marquise Facet Pink Sapphire (ID: 359275)
1.68ct Sapphire
6.02 x 3.08 x 1.80mm
USD 75.60
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ID: 2729661 pcs
thumb image of 0.3ct Marquise Facet Chrome Green Tsavorite Garnet (ID: 272966)
0.33ct Tsavorite Garnet
6.07 x 3.11 x 2.36mm
USD 41.58
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ID: 4006186 pcs
thumb image of 1.6ct Marquise Facet Pink Sapphire (ID: 400618)
1.62ct Sapphire
5.94 x 3.07 x 1.82mm
USD 94.98
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ID: 3595246 pcs
thumb image of 1.4ct Marquise Facet Purple Pink Sapphire (ID: 359524)
1.40ct Sapphire
5.82 x 2.93 x 1.69mm
USD 63.00
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ID: 3589186 pcs
thumb image of 1.4ct Marquise Facet Light Green Sapphire (ID: 358918)
1.44ct Sapphire
5.92 x 2.94 x 1.74mm
USD 67.08
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ID: 3592926 pcs
thumb image of 1.4ct Marquise Facet Violet Pink Sapphire (ID: 359292)
1.38ct Sapphire
5.96 x 2.97 x 1.56mm
USD 62.10
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ID: 3595196 pcs
thumb image of 1.8ct Marquise Facet Rose Pink Sapphire (ID: 359519)
1.77ct Sapphire
5.96 x 3.10 x 2.04mm
USD 79.65
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ID: 3595076 pcs
thumb image of 1.7ct Marquise Facet Pink Sapphire (ID: 359507)
1.71ct Sapphire
6.03 x 3.01 x 2.00mm
USD 76.95
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ID: 26781515 pcs
thumb image of 4.2ct Marquise Facet Yellow Golden Sapphire (ID: 267815)
4.19ct Sapphire
6.02 x 3.12 x 1.85mm
USD 96.37
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ID: 3589216 pcs
thumb image of 1.6ct Marquise Facet Pink Sapphire (ID: 358921)
1.62ct Sapphire
5.95 x 3.07 x 1.87mm
USD 75.46
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ID: 2729921 pcs
thumb image of 0.3ct Marquise Facet Chrome Green Tsavorite Garnet (ID: 272992)
0.31ct Tsavorite Garnet
6.11 x 3.10 x 2.23mm
USD 39.06
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ID: 3590026 pcs
thumb image of 1.4ct Marquise Facet Violet Pink Sapphire (ID: 359002)
1.44ct Sapphire
5.93 x 3.02 x 1.59mm
USD 67.08
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ID: 3590096 pcs
thumb image of 1.7ct Marquise Facet Violet Pink Sapphire (ID: 359009)
1.66ct Sapphire
5.96 x 3.02 x 1.92mm
USD 77.32
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Marquise Shape 6x3 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 6 mm x 3 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