Calibrated Heart Shape Gemstones 6 x 6 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 10 x 8 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 6x6 mm Gems

6.26 ct Yellow Apatite, 13.1 x 10.9 mm Oval Portuguese Cut From Madagascar

6.45 ct Loose Pear Dendritic Agate, 16.3 x 12 mm From India

2.08 carat Blue Zircon, Diamond-Cut loose Zircon from Cambodia, Natural Gems, 4.4 mm

4.75 carat Sky Blue Topaz, Round loose Topaz from Brazil, Natural Gems, 8.1 mm

5.06 ct Round Concave Cut Smoky Quartz, 12 mm From Brazil

1.73 carat Swiss Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7.2 x 5.1 mm

16.97 ct Baguette Ruby-Zoisite, 19.1 x 13.3 mm From Tanzania

16.56 ct Baguette Maw-Sit-Sit, 15.6 x 12 mm From Myanmar

1.97 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 8 x 6.1 mm

14.9 ct Oval Cat's Eye Opal, 18.4 x 14.5 mm From Brazil

1.23 carat Yellow Citrine, Trillion loose Citrine from Brazil, Natural Untreated Gem, 7.2 x 7.1 mm

32.87 ct Drilled Sphere Rutile Quartz, 13 mm From India

2.43 carat Oval Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 6 x 4 mm

4.59 carat Sky Blue Topaz, Oval loose Topaz from Brazil, Natural Gems, 7 x 5.1 mm

7.25 ct Marquise Slice Ruby in Fuchsite, 25.1 x 12.8 mm From Ethiopia

10.65 ct Diamond Cut Smoky Quartz, 14.9 mm From Brazil

3.26 ct Red Andesine Labradorite, 11 x 8.9 mm Oval Cut From Congo

7.01 ct Black Spinel, 9.2 mm Round Rose Cut From Thailand

8.97 ct Asscher Cut Rose Quartz, 12.9 x 12.8 mm From South Africa

2.47 ct Oval Cut Strawberry Quartz, 8.2 x 6.1 mm From Russia

1.07 ct Yellow Beryl, 7.9 x 6 mm Oval Cut From Madagascar

8.73 carat Pear Jasper, loose Certified Jasper from Indonesia, Natural Untreated Gem, 15.7 x 11.9 mm

2.78 ct Oval Concave Cut Smoky Quartz, 14.1 x 7.1 mm From Brazil

3.32 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 10.9 x 8.9 mm

2.07 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7 x 5 mm

2.17 ct Oval Strawberry Quartz, 9 x 7.1 mm From Russia

1.77 carat Sky Blue Topaz, Pear Shape loose Topaz from Brazil, Natural Gems, 7 x 5.1 mm

1.37 ct Oval Sillimanite Cat's Eye, 6.4 x 4.3 mm From Madagascar

1.72 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 7 x 6.9 mm

1.83 carat Blue Tanzanite, Pear Shape loose Tanzanite from Tanzania, Natural Gems, 5 x 3 mm

2.26 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 9.5 x 5.6 mm

1.29 ct Orange Sunstone, 8.1 x 6.1 mm Oval Cut From India

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