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 12 x 12 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.
Certified Customer Reviews
Overall Rating -> 10
The calibrated section of the search is great for finding appropriate options for known settings and has a very convenient set of subcategories that make shopping for stones for bracelets and earrings much easier.
My order was late by a few days, even though I paid extra for express shipping. Everything else was fantastic though, stones arrived beautifully packaged and I was pleasantly surprised that information cards were included for each stone. Fabulous :)