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

14.52 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 14.1 x 10.1 mm

3.37 ct Square Cut Rainbow Moonstone, 3.1 x 3 mm From India

28.69 ct Yellow Star Sapphire, 18.2 x 15.4 mm Oval Cut From Madagascar

9.08 carat Swiss Blue Topaz, Carved Fruit loose Topaz from Brazil, Natural Gem, 17.3 x 10.5 mm

0.55 carat Orange Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 6 x 4.9 mm

3.77 carat Square Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.1 x 6 mm

10.98 carat Swiss Blue Topaz, Drilled-Briolette loose Topaz from Brazil, Natural Gems, 8 mm

5.09 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 14.2 x 10 mm

1.34 ct Yellow Sphene, 7.1 x 5.6 mm Oval Cut From Sri Lanka

7.24 ct Round Rutile Quartz, 10.1 mm From India

4.73 ct Round Cut Strawberry Quartz, 10.9 mm From Russia

2.49 carat Pear Rutile Quartz, loose Certified Rutile Quartz from India, Natural Untreated Gem, 10.1 x 7.1 mm

3.75 carat Swiss Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gem, 14.9 x 7.2 mm

3.86 ct Diamond Cut Andalusite, 3.7 mm From Brazil

4.86 carat Pear Pietersite, loose Certified Pietersite from Namibia, Natural Untreated Gems, 17.5 x 7.8 mm

0.91 ct Loose Marquise Pietersite, 12 x 4.6 mm From Namibia

0.23 ct Blue Kyanite, 3.6 mm Round Cut From Nepal

6.54 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.1 x 5.2 mm

0.71 ct Purple Spinel, 5.2 x 4.6 mm Cushion Cut From Tanzania

4.59 carat Swiss Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gems, 12.1 x 6 mm

1.79 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Gem, 9.1 x 7.1 mm

1.98 ct Orange Moonstone, 6.2 x 6 mm Trillion Cut From India

0.25 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.8 mm

3.01 ct Blue Star Sapphire, 6.9 x 5.2 mm Oval Cut From Thailand

8.65 carat Pear Bloodstone, loose Certified Bloodstone from Madagascar, Natural Untreated Gem, 15.7 x 12 mm

2.02 ct Round Cut Strawberry Quartz, 7.1 mm From Russia

30.44 ct Fancy Fossil Coral, 22.8 x 12.4 mm From Indonesia

1.34 carat Pear Shape Golden Beryl, loose Certified Golden Beryl from Madagascar, Natural Untreated Gem, 9.2 x 6.2 mm

0.61 ct Loose Orange Sapphire, 4.5 x 4.5 mm Cushion Cut From Tanzania

10.32 ct Round Labradorite, 10.2 mm From Madagascar

2.8 carat White Topaz, Cushion loose Topaz from Brazil, Natural Untreated Gems, 4.5 x 4.5 mm

5.5 carat Swiss Blue Topaz, Carved Flower loose Topaz from Brazil, Natural Gem, 13.9 x 9 mm

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