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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (29): Trillion Shape 8x8 mm Gems Clear All
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ID: 4382172 pcs
2.80ctw Golden Beryl
7.97mm x 7.95mm x 4.53mm
USD 45.47
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ID: 4241011 pcs
1.65ct Tanzanite
7.98mm x 7.92mm x 4.33mm
USD 190.99
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ID: 4240991 pcs
1.60ct Tanzanite
7.88mm x 7.87mm x 4.65mm
USD 185.20
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ID: 4022791 pcs
1.81ct Apatite
7.90mm x 7.83mm x 5.13mm
USD 77.36
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ID: 3762361 pcs
1.48ct Golden Beryl
8.29mm x 8.15mm x 4.45mm
USD 33.17
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ID: 4196231 pcs
1.75ct Tourmaline
8.20mm x 8.11mm x 5.20mm
USD 262.50
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ID: 3614372 pcs
2.93ctw Golden Beryl
8.19mm x 8.15mm x 4.63mm
USD 58.60
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ID: 3762332 pcs
2.46ctw Golden Beryl
8.19mm x 7.84mm x 3.93mm
USD 55.13
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ID: 3355311 pcs
1.84ct Tanzanite
7.96mm x 7.89mm x 4.28mm
USD 497.61
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ID: 3614392 pcs
2.72ctw Golden Beryl
8.09mm x 7.97mm x 4.37mm
USD 54.40
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ID: 3355221 pcs
2.19ct Tanzanite
8.20mm x 8.13mm x 5.81mm
USD 632.36
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ID: 3762312 pcs
2.60ctw Golden Beryl
8.06mm x 7.80mm x 4.18mm
USD 58.27
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ID: 4241031 pcs
1.74ct Tanzanite
7.81mm x 7.73mm x 4.98mm
USD 201.40
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ID: 4240981 pcs
1.85ct Tanzanite
7.87mm x 7.71mm x 4.86mm
USD 214.14
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ID: 4242131 pcs
1.38ct Tanzanite
7.83mm x 7.74mm x 3.71mm
USD 159.73
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ID: 3605252 pcs
2.70ctw Golden Beryl
8.00mm x 7.94mm x 4.63mm
USD 62.15
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ID: 4248601 pcs
2.15ct Tanzanite
8.24mm x 7.71mm x 5.69mm
USD 387.00
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ID: 4241021 pcs
1.62ct Tanzanite
8.01mm x 7.99mm x 3.96mm
USD 187.52
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ID: 4240961 pcs
1.91ct Tanzanite
8.03mm x 7.99mm x 5.03mm
USD 221.08
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ID: 3764011 pcs
1.32ct Golden Beryl
8.06mm x 7.82mm x 4.14mm
USD 29.58
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ID: 4240941 pcs
1.88ct Tanzanite
8.11mm x 8.00mm x 4.33mm
USD 217.61
Item in Stock
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Trillion Shape 8x8 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 Trillion shapes, facet cut and cabochon gems available now in 8 mm x 8mm 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 meant nor 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 slightly higher even. 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