Calibrated 7 mm Round Shape Loose Natural Gemstones from GemSelect

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 Round shapes, facet cut and cabochon gems available now in 7 mm diameter 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 usually 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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Gemstone Information

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was just windowshopping and spotted a couple "Very Uncommons", a tsavorite & a demantoid garnet that were both in a size I was looking for, & that I could very easily pay for -- so figured I would grab the tsavo ASAP and got the demantoid to accompany so they wouldn't be lonely.

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Everything was good but since I am still new I was surprised at how small the stones where.

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Gemstones A-Z

Buy Round Shape 7 mm Gems

1.54 carat Oval Opal, loose Certified Opal from Australia, Natural Untreated Gem, 10.3 x 7.2 mm

48.09 carat Uvarovite Garnet Drusy, loose Certified Uvarovite Garnet Drusy from Russia, Natural Untreated Gem, 33.7 x 24.4 mm

2.17 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 6 x 3.9 mm

4.97 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 3.9 x 3.8 mm

0.41 ct Loose Yellow Sapphire, 4.7 x 4.7 mm Heart Cut From Tanzania

3.42 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.2 x 4.1 mm

18.44 ct Oval Rose Quartz, 18.1 x 14.6 mm From South Africa

4.3 ct Yellow Quartz, 12.2 x 12.1 mm Carved From Brazil

2.06 ct Yellow Sphene, 7.5 x 6.9 mm Oval Cut From Sri Lanka

0.91 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Madagascar, Natural Untreated Gems, 4.1 x 4.1 mm

3.47 carat Pear Shape Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 13.1 x 8.9 mm

1.18 ct Loose Pink Sapphire, 3.3 x 2 mm Baguette Cut From Madagascar

1.1 carat Pink Morganite, Pear Shape loose Morganite from Afghanistan, Natural Untreated Gem, 9.6 x 5.2 mm

1.17 ct Round Strawberry Quartz, 6.9 mm From Russia

6.92 ct Fancy Fire Agate, 15.5 x 10.3 mm From Mexico

20.63 ct Loose Oval Bloodstone, 20.5 x 16.5 mm From Madagascar

3.84 carat Orange Hessonite Garnet, Square loose Hessonite Garnet from Sri Lanka, Natural Untreated Gems, 6.7 x 6.6 mm

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

2.81 carat Cushion Mystic Quartz, loose Certified from Brazil, Natural Gems, 7 x 7 mm

2.87 ct Square Cut Rainbow Moonstone, 3 x 2.9 mm From India

2.25 carat Brown Tourmaline, Oval loose Tourmaline from Mozambique, Natural Untreated Gems, 8.2 x 5.9 mm

1.4 carat Yellow Citrine, Heart loose Citrine from Brazil, Natural Untreated Gems, 6.1 x 6 mm

1.65 carat Green Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 20.5 x 3.2 mm

5.02 ct Pink Kunzite, 10.5 x 9.6 mm Trillion Cut From Afghanistan

0.21 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 3.5 mm

1.91 ct Oval Rutile Quartz, 9.1 x 7.1 mm From India

2.42 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 7.2 x 7.2 mm

80.17 ct Green Aventurine, 29.5 mm Round Cut From Brazil

4.49 carat Emerald-Cut Emerald, loose Certified Emerald from Zambia, Natural Gem, 11.2 x 8.7 mm

0.48 ct Loose Purple Sapphire, 4.8 mm Round Cut From Madagascar

0.45 carat Yellow Sapphire, Pear Shape loose Sapphire from Tanzania, Natural Gem, 5.8 x 4.1 mm

4.08 ct Loose Orange Sapphire, 10.2 x 8.6 mm Oval Cut From Thailand

Gemstone Information

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