Marquise Shape 6 x 3 mm calibrated natural loose gems from GemSelect

Item Description
Stone Type:	Loose Iolite
Iolite Weight:	0.15 ct Iolite
Iolite Shape:	Marquise Facet Iolite
Iolite Size:	6.2 x 3 mm Iolite
Iolite Color:	Silverish Blue Iolite
Iolite Clarity:	VS Iolite
Iolite Origin:	Madagascar Iolite
Iolite Treatment:	Untreated
Iolite Quantity:	1
Iolite Certificate:	GemSelect
Product Description:

Item Description
Stone Type:	Loose Topaz
Topaz Weight:	0.29 ct Topaz
Topaz Shape:	Marquise Facet Topaz
Topaz Size:	6.1 x 3 mm Topaz
Topaz Color:	London Blue Topaz
Topaz Clarity:	VS Topaz
Topaz Origin:	Brazil Topaz
Topaz Treatment:	Irradiated
Topaz Quantity:	2
Topaz Certificate:	GemSelect
Product Description:

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 6 mm x 3 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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Selected Gemstones

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Buy Marquise Shape 6x3 mm Gems

0.15 ct Marquise Cut Iolite, 6.2 x 3 mm From Madagascar

Natural Iolite, Qty: 1 pc | 0.15 carat weight Iolite

0.57 carat London Blue Topaz, Marquise-Cut loose Topaz from Brazil, Natural Gems, 6.1 x 3 mm

Natural Topaz, Qty: 2 pcs | 0.57 carat weight Topaz

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