Marquise Shape 7 x 3.5 mm calibrated natural loose gems 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 marquise shaped facet cut gems, gemstone carvings and cabochons available in 7 mm x 3.50 mm sizes. For the largest selection of colored gemstones, Shop GemSelect Online.

As a general guideline, when it comes to calibrated gems, they are not usually expected to be cut to exact measurements and specifications. But rather, they're cut with slight variance in size, though the close approximatation in size is not clearly defined, there are general guidelines for what is considered acceptable. Obviously larger and heavy carat weight stones allow more room in size for variance, while smaller stones may leave little to none. This means a large 30mm calibrated gemstone, could actually be closer to 31 millimeters. For this reason, we recommend to always view the exact size in addition to the calibrated size details. The exact size will inform you of the variance you can expect. Some setting styles are more flexible with variance, such as prong settings, while other styles of mountings may need almost an exact size to the fraction of millimeter.

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 round shape settings will allow 0.3 mm or slightly higher even. This small variance can usually be accommodated for most 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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I am of the opinion that the company gem select cares about the product beautiful gems it sells and the cost of the gem I purchased was small i was treated as if it cost a lot of money and product was described in detail and i felt good about the little stones i had ordered.

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Gemstones A-Z

Buy Marquise Shape 7x3.5 mm Gems

0.66 ct Princess Cut Color-Change Diaspore, 5.5 x 5.4 mm From Turkey

5.78 carat Sky Blue Topaz, Heart loose Topaz from Brazil, Natural Gems, 9.1 x 9 mm

3.65 ct Yellow Sillimanite, 9 x 7.1 mm Oval Cut From Sri Lanka

3.71 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 7 mm

2.52 carat White Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 6.1 mm

2.88 ct Round Onyx, 7.1 mm From Sri Lanka

14.18 ct Baguette Malachite, 11 x 9.1 mm From Congo

10.17 ct Yellow Quartz, 15 x 14.3 mm Carved From Brazil

7.88 ct Oval Star Moonstone, 12.1 x 10.1 mm From India

6 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 10.1 x 8.1 mm

4.64 carat Yellow Citrine, Square loose Citrine from Brazil, Natural Untreated Gems, 8 x 7.7 mm

1.98 ct Yellow Sillimanite, 6.9 x 5 mm Oval Cut From Sri Lanka

0.51 ct Loose Yellow Sapphire, 4.6 x 4.5 mm Heart Cut From Tanzania

1.86 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8.2 x 6.1 mm

5.38 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 14.1 x 10.1 mm

2.87 carat Orange Hessonite Garnet, Round loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 8.1 mm

10.14 ct Octagon Cut Smoky Quartz, 12.9 x 12.8 mm From Brazil

4.41 carat London Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gem, 12.8 x 7.8 mm

2.05 ct Loose Orange Moonstone, 9.1 x 7 mm Cushion Cut From India

4.29 ct Green Agate, 18.6 x 9.8 mm Carved From India

4.97 carat Yellow Citrine, Heart loose Citrine from Brazil, Natural Untreated Gems, 7.1 x 7 mm

0.82 ct Oval Chrysoberyl Cat's Eye, 6.6 x 4.4 mm From Sri Lanka

1.32 ct Oval Cut Fire Opal, 9.8 x 7.3 mm From Mexico

9.62 ct Cushion Pietersite, 19 x 18.1 mm From Namibia

8.66 ct Yellow Quartz, 13.1 x 12.9 mm Odd Shaped From Brazil

21.96 carat Pear Moss Agate, loose Certified Moss Agate from India, Natural Untreated Gems, 25.9 x 17.9 mm

6.93 ct Oval Star Ruby, 12.1 x 9.7 mm From Madagascar

2.78 ct Orange Coral, 12 x 5.6 mm Oval Cut From Australia

94.83 ct Multicolor Jasper, 40.7 x 32.9 mm Oval Cut From Indonesia

9.11 ct Oval Cut Strawberry Quartz, 16.6 x 12.6 mm From Russia

7.82 ct Odd Shaped Hemimorphite Druzy, 14.6 x 10.6 mm From Congo

7.29 carat Brown Hessonite Garnet, Oval loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 14 x 10.2 mm

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