Calibrated Heart Shape Gemstones 8 x 8 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 8 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 8x8 mm Gems

12.99 ct Yellow Quartz, 16.9 x 15.9 mm Carved From Brazil

5.96 ct Oval Prehnite, 7.2 x 6.6 mm From South Africa

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

1.67 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 8.1 x 6.7 mm

1.07 carat Oval Emerald, loose Certified Emerald from Zambia, Natural Gems, 4.8 x 3.8 mm

1.09 ct Pink Morganite, 8 x 6 mm Oval Cut From Afghanistan

2.19 ct Yellow Beryl, 8.2 x 6.1 mm Oval Cut From Madagascar

16.43 ct Oval Nuummite, 19.7 x 12.5 mm From India

1.22 carat Green Tourmaline, Emerald Cut loose Tourmaline from Tanzania, Natural Untreated Gem, 14.8 x 3.2 mm

1.92 ct Oval Rubellite Tourmaline, 8.8 x 7.1 mm From Mozambique

0.41 ct Loose Yellow Sapphire, 4.6 x 4.4 mm Heart Cut From Tanzania

33.4 ct Brown Moonstone, 25.1 x 18.2 mm Oval Cut From India

2.65 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 7.1 x 5 mm

0.54 carat Blue Sapphire, Oval loose Sapphire from Sri Lanka, Natural Gem, 5.7 x 4.1 mm

2.99 ct Loose Square Cut Sapphire, 3 x 3 mm From Tanzania

4.43 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gem, 11.8 x 9.8 mm

15.18 ct Fancy Boulder Opal, 20.8 x 16.1 mm From Australia

2.89 carat Orange Hessonite Garnet, Oval loose Hessonite Garnet from Sri Lanka, Natural Untreated Gem, 9.6 x 7.9 mm

2.08 ct Oval Cut Andalusite, 5.9 x 3.9 mm From Brazil

3.68 ct Oval Cat's Eye Opal, 10.9 x 8.1 mm From Madagascar

2.44 carat Oval Demantoid Garnet, loose Certified Demantoid Garnet from Namibia, Natural Untreated Gems, 4 x 3.1 mm

1.04 carat Oval Rhodolite Garnet, loose Certified Rhodolite Garnet from Mozambique, Natural Untreated Gem, 7 x 5.1 mm

2.18 carat Orange Hessonite Garnet, Emerald Cut loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.9 x 6.6 mm

17.78 ct Druzy Citrine, 19.4 x 8.3 mm From Uruguay

2 carat Orange Hessonite Garnet, Cushion loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 8.4 x 6.3 mm

2.37 carat Orange Spessartite Garnet, Oval loose Spessartite Garnet from Mozambique, Natural Untreated Gems, 5 x 3.3 mm

40.64 ct Green Jadeite, 29.1 x 21.4 mm Oval Cut From Myanmar

0.4 carat Round Ruby, loose Certified Ruby from Myanmar, Natural Gem, 4 mm

5.04 carat Yellow Citrine, Oval loose Citrine from Brazil, Natural Untreated Gems, 10 x 8 mm

0.63 carat Blue Sapphire, Cushion loose Sapphire from Madagascar, Natural Gem, 4.4 x 4.4 mm

0.55 ct Orange Sphalerite, 4.6 mm Round Cut From Spain

1.47 carat Square Pyrope Garnet, loose Certified Pyrope Garnet from Mozambique, Natural Untreated Gems, 4.9 x 4.9 mm

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