Calibrated 16 x 16 mm Trillion Shape Loose Natural Gemstones from ...

Item Description
Stone Type:	Loose Rainbow Pyrite
Rainbow Pyrite Weight:	7.70 ct Rainbow Pyrite
Rainbow Pyrite Shape:	Trillion Crystal Cluster Rainbow Pyrite
Rainbow Pyrite Size:	16 x 15.7 mm Rainbow Pyrite
Rainbow Pyrite Color:	Multicolor Rainbow Pyrite
Rainbow Pyrite Clarity:	Opaque Rainbow Pyrite
Rainbow Pyrite Origin:	Russia Rainbow Pyrite
Rainbow Pyrite Treatment:	Untreated
Rainbow Pyrite Quantity:	1
Rainbow Pyrite Certificate:	GemSelect
Product Description:

Item Description
Stone Type:	Loose Boulder Opal
Boulder Opal Weight:	12.73 ct Boulder Opal
Boulder Opal Shape:	Trillion Cabochon Boulder Opal
Boulder Opal Size:	16.6 x 15.7 mm Boulder Opal
Boulder Opal Color:	Multicolor Boulder Opal
Boulder Opal Clarity:	Opaque Boulder Opal
Boulder Opal Origin:	Australia Boulder Opal
Boulder Opal Treatment:	Untreated
Boulder Opal Quantity:	1
Boulder Opal Certificate:	GemSelect
Product Description:

Item Description
Stone Type:	Loose Pietersite
Pietersite Weight:	8.68 ct Pietersite
Pietersite Shape:	Trillion Cabochon Pietersite
Pietersite Size:	16.2 x 15.4 mm Pietersite
Pietersite Color:	Multicolor Pietersite
Pietersite Clarity:	Opaque Pietersite
Pietersite Origin:	Namibia Pietersite
Pietersite Treatment:	Untreated
Pietersite Quantity:	1
Pietersite 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 Trillion shapes, facet cut and cabochon gems available now in 16 mm x 16 mm 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 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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