Calibrated 7 x 7 mm Trillion Shape Loose Natural Gemstones from Ge...

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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Not easy enough to buy by exact size, and many stones aren't carbechon curved shape on top

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Gemstones A-Z

Buy Trillion Shape 7x7 mm Gems

0.93 ct Cushion Cut Color-Change Diaspore, 7.2 x 5 mm From Turkey

2.87 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 12.8 x 9.1 mm

18.98 ct Oval Opal in Matrix, 25.2 x 16.2 mm From Honduras

2.36 ct Loose Oval Malachite, 9.4 x 6.7 mm From Congo

3.54 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 6 x 4.2 mm

8.69 ct Oval Rutile Quartz, 15.2 x 11.1 mm From India

0.77 carat Cushion Checkerboard Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 7.1 x 5.1 mm

1.75 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 10.1 x 7.1 mm

0.22 ct Blue Apatite, 3.5 mm Round Cut From Madagascar

2.5 ct Orange Sunstone, 8.1 x 6 mm Oval Cut From India

0.2 ct White Diamond, 3 mm Diamond Cut From India

0.9 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 5.6 mm

3.26 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gems, 7.1 x 7 mm

0.27 ct Octagon Cut Iolite, 5 x 3 mm From Madagascar

0.74 ct Loose Pink Sapphire, 5.7 x 4 mm Oval Cut From Tanzania

5.04 ct Round Cut Smoky Quartz, 11.9 mm From Brazil

18.45 ct Cushion Tiger's Eye, 14.1 x 12 mm From Thailand

3.06 ct Oval Cut Strawberry Quartz, 11.2 x 8.9 mm From Russia

7.46 ct Rainbow Pyrite, 15.9 x 11.1 mm From Russia

0.71 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 4.5 x 4.4 mm

13.05 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gem, 17.8 x 11.2 mm

14.78 ct Black Spinel, 12 mm Round Rose Cut From Thailand

5.07 ct Pink Morganite, 12.7 x 8.9 mm Oval Cut From Afghanistan

0.63 ct Round Labradorite, 5.1 mm From Madagascar

2.51 carat Oval Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 4.2 x 3.3 mm

0.9 carat Oval Emerald, loose Certified Emerald from Colombia, Natural Gem, 6.9 x 5.3 mm

0.62 ct Purple Spinel, 5 mm Round Cut From Tanzania

5.25 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 10.1 x 8.1 mm

13.68 ct Marquise Rainbow Moonstone, 23.1 x 11.8 mm From the United States

2.89 ct Yellow Sphene, 8.7 x 7.6 mm Oval Cut From Sri Lanka

8.67 ct Green Jadeite, 11.8 x 9.9 mm Oval Cut From Myanmar

0.9 carat Oval Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 5 x 4 mm

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