Calibrated Heart Shape Gemstones 7 x 7 mm size from GemSelect

Some people by gems by color or price, but for many, it may be better to buy gems by size - especially if you're in need to a gem to replace another previous item that was lost or damaged: Calibrated heart shaped facet cut gems and cabochon gems in 7 x 7 mm size. Buy a wide range of calibrated gemstones by size 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 Heart Shape 7x7 mm Gems

2.75 ct Round Cut Peridot, 4.9 mm From China

9.42 carat Pear Quartz With Marcasite, loose Certified Quartz With Marcasite from Brazil, Natural Untreated Gem, 16.4 x 12.8 mm

2.39 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gem, 7.4 mm

8.99 carat Sky Blue Topaz, Carved Leaf loose Topaz from Brazil, Natural Gem, 15.9 x 9.9 mm

4.53 ct Pink Morganite, 11.5 x 11 mm Trillion Cut From Afghanistan

0.29 carat Round Cabochon Emerald, loose Certified Emerald from Colombia, Natural Gem, 4.1 mm

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

1.61 ct Purple Spinel, 7.3 x 6.3 mm Cushion Cut From Tanzania

2.42 carat Heart Ruby, loose Certified Ruby from Madagascar, Natural Gem, 8.3 x 8.2 mm

2.21 ct Cushion Cut Peridot, 8.4 x 7.4 mm From Myanmar

7.09 carat Sky Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 10.1 x 8.1 mm

2.71 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 6.2 mm

26.25 ct Oval Jasper, 33.6 x 21.4 mm From Indonesia

2.65 carat Oval Rhodolite Garnet, loose Certified Rhodolite Garnet from Tanzania, Natural Untreated Gems, 5.6 x 4.6 mm

2.54 ct Oval Malachite, 8.5 x 6.6 mm From Congo

4.23 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.1 x 4.2 mm

17.24 carat Ammolite, loose Certified Ammolite from Canada, Natural Gem, 28.4 x 15.4 mm

5.75 carat Black Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 16.1 x 10 mm

0.97 carat Orange Moonstone, Pear Shape loose Moonstone from India, Natural Untreated Gem, 8.7 x 5.8 mm

1.71 ct Round Spectrolite, 8 mm From Finland

2.02 ct Octagon Cut Peridot, 5.9 x 4 mm From China

10.46 ct Loose Marquise Labradorite, 15.9 x 8 mm From Madagascar

5.98 carat Yellow Citrine, Round loose Citrine from Brazil, Natural Untreated Gem, 12 mm

6.42 carat Black Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 11.2 x 11 mm

20.14 ct Oval Rose Quartz, 18.5 x 15 mm From South Africa

26.83 ct Oval Jasper, 32.2 x 18.4 mm From Indonesia

16.56 carat Pear Fossil Coral, loose Certified Fossil Coral from Indonesia, Natural Untreated Gems, 19.3 x 12.1 mm

1.16 carat Oval Ruby, loose Certified Ruby from Madagascar, Natural Gem, 6.7 x 5 mm

6.6 carat Pear Prehnite, loose Certified Prehnite from South Africa, Natural Untreated Gems, 10.9 x 7.6 mm

1.89 carat White Zircon, Diamond-Cut loose Zircon from Colombia, Natural Gem, 6.9 mm

1.58 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 5 x 5 mm

0.79 ct Oval Cut Peridot, 7.1 x 5.1 mm From China

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