Buy Marquise Shape 7x3.5 mm Gems(137) |
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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 7 mm x 3.50 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 -> 10 
checkout very quick and easy
Overall Rating -> 9 
I make wire wrapped pendants for birthday presents, and always feature a birthstone as the base for the project. GemSelect has a wide variety of shape/size pieces to fit any budget. A detailed description of each individual stone is perfect for those searching for particular stones for their application, and information on stone treatments and the like are phenomenal.
Overall Rating -> 7 
you offer the illusion of i can pay with my credit card but, but software wont accept payment unless i used pay pal.
Overall Rating -> 10
I bought some opals and got a really good deal.
Overall Rating -> 10
Great experience this was my 3rd purchase with g select definitely recommend
Overall Rating -> 9
I love the selection. My only issue os that the stone are not really calibrated, which means work with setting them.
Overall Rating -> 10
Everything was right there - The site provided the exact minerals I was looking for. The search for items filtered easily, with results showing pictures of exactly what I bought, at reasonable prices. It doesn't get any better than this. Well, the shipping charges could have been lower, but they weren't outrageous.
Overall Rating -> 10
Thanks again. I have purchased before , and have nothing but praise for this company.
Overall Rating -> 10
Easy ordering process, pictures are great for comparisons
Overall Rating -> 10
ease of going through site and making purchase. will update when item received
Overall Rating -> 10
It was a quick and easy process at a fair rate!
Overall Rating -> 10
something you never seen before so beautiful and energizing. thank you.
Overall Rating -> 10
I love this online site. I can browse and select pieces at my leisure - on my schedule. The gemstones are reasonably priced and appear to be quality for the price.
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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  |
