Calibrated 7 x 7 mm Square Shape Loose Natural Gemstones from 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 Square shapes, facet cut and cabochon gems available now in 7 mm x7 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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Gemstones A-Z

Buy Square Shape 7x7 mm Gems

0.86 carat London Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gem, 7 x 5 mm

2.97 carat Blue Green Fluorite, Oval loose Fluorite from India, Natural Untreated Gem, 9.1 x 7.4 mm

8.33 carat Swiss Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gems, 14 x 8.1 mm

0.73 ct Oval Cut Peridot, 6.9 x 5 mm From China

1.75 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8 x 6.6 mm

7.83 ct Pink Moonstone, 11.7 x 11.6 mm Carved From India

1.06 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.1 mm

2.43 ct Oval Cut Golden Beryl, 8.1 x 6.2 mm From Madagascar

11.46 ct Trillion Pietersite, 17 x 16.2 mm From Namibia

2.05 ct Loose Oval Malachite, 9.1 x 6.3 mm From Congo

0.6 ct Purple Spinel, 5 x 4.1 mm Cushion Cut From Tanzania

2.96 carat Blue Green Fluorite, Oval loose Fluorite from India, Natural Untreated Gem, 7.8 x 7 mm

1.14 ct Yellow Beryl, 8.1 x 6.2 mm Oval Cut From Madagascar

0.73 ct Loose Pink Sapphire, 7.5 x 5.5 mm Odd Shaped From Madagascar

41.52 ct Fancy Amethyst Geode Slice, 30.8 x 26.5 mm From Brazil

0.51 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gem, 5.7 x 3.9 mm

1.49 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.9 x 4.9 mm

3.34 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.1 x 9.1 mm

4.13 carat Blue Green Grandidierite, Pear loose Grandidierite from Madagascar, Natural Untreated Gem, 12 x 8.6 mm

1.38 ct Yellow Beryl, 7.2 mm Round Cut From Brazil

0.84 carat Pear Shape Peridot, loose Certified Peridot from China, Natural Untreated Gem, 7 x 4.9 mm

1.48 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.9 x 5 mm

1.62 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5 x 3.9 mm

14.69 ct Carved Ruby-Zoisite, 15.6 x 14.4 mm From Tanzania

3.33 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gems, 7 x 6.8 mm

8.56 ct Carved Prehnite, 15.1 x 11.8 mm From South Africa

2.55 carat Yellow Citrine, Cushion loose Citrine from Brazil, Natural Untreated Gem, 10.9 x 7 mm

2.96 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.6 x 4.6 mm

1.89 carat Green Sphene, Pear Shape loose Sphene from Sri Lanka, Natural Untreated Gem, 9.5 x 6.9 mm

0.76 carat Green Sapphire, Trillion-Cut loose Sapphire from Madagascar, Natural Gem, 5.5 x 5.3 mm

9.85 ct Square Malachite, 11.2 x 10.6 mm From Congo

13.54 carat Blue Aquamarine, Emerald Cut loose Aquamarine from Madagascar, Natural Untreated Gem, 19.3 x 9.7 mm

Gemstone Information

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