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

7.56 ct Round Quartz Cat's Eye, 12.1 mm From India

0.75 carat London Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gem, 6.9 x 5 mm

33.46 ct Fancy Moss Agate, 30.2 x 14.8 mm From India

0.5 ct Purple Spinel, 5.1 mm Round Cut From Tanzania

3.16 carat Marquise Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 5 x 2.5 mm

2.36 carat Sky Blue Topaz, Oval loose Topaz from Brazil, Natural Gem, 9.1 x 7.2 mm

0.97 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 5 x 4 mm

2.19 ct Orange Moonstone, 7.2 x 7 mm Square Cut From India

1.89 carat Baguette Facet Tsavorite Garnet, loose Certified Tsavorite Garnet from Tanzania, Natural Untreated Gems, 3 x 1.9 mm

4.22 ct Yellow Agate, 11.2 x 9.9 mm Oval Cut From India

12.71 ct Fancy Fire Agate, 23.3 x 10.6 mm From Mexico

98.13 ct Odd Shaped Druzy Citrine, 36.9 x 34 mm From Uruguay

6.87 carat Blue Aquamarine, Pear Shape loose Aquamarine from Madagascar, Natural Untreated Gem, 21.9 x 8.8 mm

0.33 ct Blue Apatite, 3.5 mm Round Cut From Madagascar

26.54 ct Cushion Jasper, 24.5 x 15.9 mm From Indonesia

35.03 carat Pink Kunzite, Pear loose Kunzite from Afghanistan, Natural Untreated Gem, 23.4 x 16.6 mm

13.46 ct Round Labradorite, 16.1 mm From Madagascar

3.36 ct Oval Prehnite, 7.3 x 6.3 mm From South Africa

2.24 carat Yellow Citrine, Pear Shape loose Citrine from Brazil, Natural Untreated Gems, 8.9 x 6 mm

4.7 carat Barrel Cut Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 9 x 4.7 mm

7.2 carat Blue Zircon, Oval loose Zircon from Cambodia, Natural Gem, 9.8 x 7.9 mm

2.13 carat Pink Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gem, 9.1 x 7.1 mm

1.52 carat Orange Hessonite Garnet, Square loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6 x 6 mm

9.55 ct Oval Cut Strawberry Quartz, 15.8 x 12.7 mm From Russia

22.38 ct Carved Prehnite, 16.2 x 10.6 mm From South Africa

4.63 ct Loose Oval Cut Strawberry Quartz, 12.1 x 10.1 mm From India

5.39 carat Sky Blue Topaz, Half Drilled Briolette loose Topaz from Brazil, Natural Gems, 8.2 mm

8.9 ct Oval Star Ruby, 13.1 x 10.7 mm From Madagascar

4.28 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6.1 x 4.1 mm

1.25 carat Yellow Sphene, Pear Shape loose Sphene from Sri Lanka, Natural Untreated Gem, 8.9 x 5.8 mm

5.27 ct Loose Oval Star Ruby, 9.2 x 8.6 mm From Madagascar

0.53 ct Octagon Cut Peridot, 6 x 4.1 mm From China

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