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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (190): Trillion Shape 7x7 mm Gems Clear All
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ID: 4212212 pcs
thumb image of 2.3ct Trillion Facet Violet Blue Tanzanite (ID: 421221)
2.31 ct Tanzanite
7.1 x 6.9 mm
$ 268.40
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ID: 4215831 pcs
thumb image of 1.3ct Trillion Facet Violet Blue Tanzanite (ID: 421583)
1.28 ct Tanzanite
7 x 6.9 mm
$ 148.72
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ID: 4214311 pcs
thumb image of 1ct Trillion Facet Violet Blue Tanzanite (ID: 421431)
0.98 ct Tanzanite
7.1 x 7 mm
$ 113.87
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ID: 4212202 pcs
thumb image of 1.9ct Trillion Facet Violet Blue Tanzanite (ID: 421220)
1.86 ct Tanzanite
7.2 x 6.9 mm
$ 216.11
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ID: 4211882 pcs
thumb image of 1.9ct Trillion Facet Violet Blue Tanzanite (ID: 421188)
1.87 ct Tanzanite
7.2 x 6.8 mm
$ 217.28
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ID: 4211922 pcs
thumb image of 2.6ct Trillion Facet Violet Blue Tanzanite (ID: 421192)
2.60 ct Tanzanite
7.2 x 7.1 mm
$ 302.09
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ID: 4211892 pcs
thumb image of 2ct Trillion Facet Violet Blue Tanzanite (ID: 421189)
2.00 ct Tanzanite
7.2 x 6.9 mm
$ 232.38
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ID: 4213012 pcs
thumb image of 2.1ct Trillion Facet Violet Blue Tanzanite (ID: 421301)
2.12 ct Tanzanite
7.2 x 7 mm
$ 246.32
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ID: 4528611 pcs
thumb image of 1.1ct Trillion Facet Sky Blue Topaz (ID: 452861)
1.09 ct Topaz
7 x 6.9 mm
$ 7.63
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ID: 4528114 pcs
thumb image of 4.5ct Trillion Facet Sky Blue Topaz (ID: 452811)
4.47 ct Topaz
6.8 x 7 mm
$ 31.29
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ID: 4211692 pcs
thumb image of 2ct Trillion Facet Violet Blue Tanzanite (ID: 421169)
1.96 ct Tanzanite
7.1 x 7 mm
$ 227.73
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ID: 4212242 pcs
thumb image of 2ct Trillion Facet Violet Blue Tanzanite (ID: 421224)
2.03 ct Tanzanite
7.2 x 7 mm
$ 235.87
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ID: 4460502 pcs
thumb image of 2.9ct Trillion Facet Swiss Blue Topaz (ID: 446050)
2.94 ct Topaz
7.1 x 7.2 mm
$ 19.20
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ID: 4459552 pcs
thumb image of 2.8ct Trillion Facet Swiss Blue Topaz (ID: 445955)
2.78 ct Topaz
7 x 6.9 mm
$ 18.15
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ID: 4242852 pcs
thumb image of 2.6ct Trillion Facet Violet Blue Tanzanite (ID: 424285)
2.55 ct Tanzanite
7.1 x 6.9 mm
$ 295.16
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ID: 4242021 pcs
thumb image of 1.4ct Trillion Facet Violet Blue Tanzanite (ID: 424202)
1.44 ct Tanzanite
7.1 x 7 mm
$ 166.68
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ID: 4375251 pcs
thumb image of 1.3ct Trillion Facet Sky Blue Topaz (ID: 437525)
1.33 ct Topaz
7 x 7 mm
$ 6.65
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ID: 4213112 pcs
thumb image of 2ct Trillion Facet Violet Blue Tanzanite (ID: 421311)
1.96 ct Tanzanite
7.1 x 6.9 mm
$ 227.73
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ID: 4157421 pcs
thumb image of 1.4ct Trillion Facet Green Tsavorite Garnet (ID: 415742)
1.35 ct Tsavorite Garnet
7.1 x 7 mm
$ 916.65
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ID: 3668671 pcs
thumb image of 0.8ct Trillion Facet Reddish Orange Fire Opal (ID: 366867)
0.75 ct Fire Opal
7.2 x 7.1 mm
$ 29.38
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ID: 4214291 pcs
thumb image of 0.9ct Trillion Facet Violet Blue Tanzanite (ID: 421429)
0.90 ct Tanzanite
6.8 x 6.8 mm
$ 104.57
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Trillion Shape 7x7 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 7 mm x 7 mm 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