Buy Marquise Shape 16x8 mm Gems(44) |
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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 16 mm x 8 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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Overall Rating -> 8 
Overall I am happy with the selecting and purchasing process. I will not recommend gemselect until I receive my purchases and am satisfied with their quality.
Overall Rating -> 10 
I really enjoy shopping here on GemSelect! I will always return for more!
Overall Rating -> 10
Great products. I make custom jewelry and gemselect let's me provide a variety of quality stones to my customers to choose from. Thank you.
Overall Rating -> 9 
Can’t wait to receive my gems!! Here’s hoping they are as beautiful as on the site. It will be great to find a trusted gem supply
Overall Rating -> 7 
I thought that the little gems were going to be larger.
Overall Rating -> 9
I was looking for a gemstone called Sphene/Titanite and found it on GemSelect. They had many gems to choose from and had good prices. I received my order a little later than expected but given that it's coming from overseas I wasn't too worried. The 2 gems I received are beautiful. I have to say that I have no gem knowledge- I am a novice and I ordered the Sphene for healing purposes, so I am hoping they are real. I have no way of confirming if that is true. But they are beautiful!
Overall Rating -> 10
I love the layout of the website and their selection! the quality of their gems is unlike any other I have seen!
Overall Rating -> 10
It's good to know that there is a place to go for something like this without ending upwith Fake stuff, Hopefully, I haven't got it yet.
Overall Rating -> 10
The site is organized in an extremely user friendly manner, and the prices are more accessible compared to other sellers.
Overall Rating -> 10
a wide variety of options and enjoyed the web site
Overall Rating -> 7
I enjoy browsing the lots listed on your site.
Overall Rating -> 10
A wonderful time selecting gems. I hope to buy more in the future.
Overall Rating -> 9
would be nice to have idea section to use the gems for. I am having a jewler create a necklace for my wife, but it would have been nive to see some examples.
Overall Rating -> 10
Excellent prices and selection as I have been searching for a pair of sapphires for 2 weeks
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Size and Weight
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Gems are always measured in Millimeter (mm) Dimensions are given as; Select gems by size, not by weight! Note: 1ct = 0.2g  |
