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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (253): Round Shape 6.5 mm Gems Clear All
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ID: 4373771 pcs
thumb image of 1.3ct Diamond-Cut Golden Zircon (ID: 437377)
1.33 ct Zircon
6.3 mm
$ 26.60
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ID: 3784942 pcs
thumb image of 3.4ct Round Facet White Zircon (ID: 378494)
3.36 ct Zircon
6.7 mm
$ 83.73
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ID: 4388131 pcs
thumb image of 1.5ct Diamond-Cut Golden Orange Zircon (ID: 438813)
1.51 ct Zircon
6.4 mm
$ 30.20
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ID: 4383152 pcs
thumb image of 3.4ct Diamond-Cut Orange Zircon (ID: 438315)
3.43 ct Zircon
6.6 mm
$ 68.60
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ID: 4343451 pcs
thumb image of 1.5ct Diamond-Cut Orange Zircon (ID: 434345)
1.53 ct Zircon
6.4 mm
$ 30.60
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ID: 4056241 pcs
thumb image of 1.9ct Diamond-Cut White Zircon (ID: 405624)
1.90 ct Zircon
6.7 mm
$ 46.99
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ID: 3700301 pcs
thumb image of 1.5ct Diamond-Cut White Zircon (ID: 370030)
1.53 ct Zircon
6.7 mm
$ 33.12
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ID: 4375412 pcs
thumb image of 3.3ct Diamond-Cut Orange Zircon (ID: 437541)
3.25 ct Zircon
6.6 mm
$ 65.00
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ID: 3810841 pcs
thumb image of 1.5ct Round Facet Raspberry Red Rhodolite Garnet (ID: 381084)
1.45 ct Rhodolite Garnet
6.6 mm
$ 70.40
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ID: 4054652 pcs
thumb image of 3ct Diamond-Cut White Zircon (ID: 405465)
2.99 ct Zircon
6.4 mm
$ 73.94
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ID: 3806154 pcs
thumb image of 5.3ct Diamond-Cut White Zircon (ID: 380615)
5.31 ct Zircon
6.3 mm
$ 86.02
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ID: 4370681 pcs
thumb image of 1.3ct Diamond-Cut Golden Orange Zircon (ID: 437068)
1.32 ct Zircon
6.4 mm
$ 26.40
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ID: 4343441 pcs
thumb image of 1.6ct Diamond-Cut Orange Zircon (ID: 434344)
1.56 ct Zircon
6.5 mm
$ 31.20
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ID: 3558011 pcs
thumb image of 1.5ct Diamond-Cut White Zircon (ID: 355801)
1.52 ct Zircon
6.5 mm
$ 38.00
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ID: 4297541 pcs
thumb image of 1.4ct Round Facet Rose Pink Zircon (ID: 429754)
1.43 ct Zircon
6.4 mm
$ 28.60
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ID: 4345911 pcs
thumb image of 1.5ct Diamond-Cut Orange Zircon (ID: 434591)
1.53 ct Zircon
6.6 mm
$ 30.60
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ID: 3447521 pcs
thumb image of 1.2ct Round Facet Cinnamon Orange Hessonite Garnet (ID: 344752)
1.20 ct Hessonite Garnet
6.6 mm
$ 48.60
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ID: 4383162 pcs
thumb image of 2.9ct Diamond-Cut Golden Orange Zircon (ID: 438316)
2.93 ct Zircon
6.6 mm
$ 58.60
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ID: 4323791 pcs
thumb image of 1.9ct Diamond-Cut Orange Zircon (ID: 432379)
1.93 ct Zircon
6.6 mm
$ 41.82
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ID: 3803482 pcs
thumb image of 2.8ct Diamond-Cut White Zircon (ID: 380348)
2.75 ct Zircon
6.6 mm
$ 44.55
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ID: 3767111 pcs
thumb image of 1.8ct Round Cabochon Green Prehnite (ID: 376711)
1.81 ct Prehnite
6.7 mm
$ 10.66
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Round Shape 6.5 mm Gems
Some people buy 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 Round shapes, facet cut and cabochon gems available now in 6.5 mm diameter size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.

As a general guideline, when it comes to 'calibrated' gems, they are not usually expected to be cut to exact measurements. 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 around 0.3 mm or even slightly higher. This small variance can usually be accommodated for 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