Buy Octagon Shape 12x10 mm Gems(47) |
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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 Octagon shape / Emerald-Cut, faceted and cabochon gems available now in 12 x 10 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 usually 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 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 -> 9 
I've been collecting gemstones for a while now so I wad excited that I found a relatively cheap site to gems from. When I opened to package i was a little surprised and how small they were but it's literally marketed for jeweler's so I understand why my little square cut sapphire is the size of a crumb, but all in a ll I'm very happy with what I ordered.
Overall Rating -> 10 
I have loved GemSelect for years; and have ordered many pretty and special gems for my personal use and for handmade gifts. Now I am going in a new direction and plan to design and build some lovelies for sale on the web.
Overall Rating -> 9
A filter by price range would be nice.
Overall Rating -> 10
Excellent gemstones- bought two Demantoids and two Malaya Garnets
Overall Rating -> 10
So many stones, so little time and money. Easy to fill up the cart when the stones are beautifully pictured. I hope the real items are as beautiful.
Overall Rating -> 10
Positively Excellent experience at all.
Overall Rating -> 10
i made an order in 2007 and was very pleased; it made into a lovely ring. i found a large citrine locally, and now needed some accent stones.
Overall Rating -> 10
Everything was straight forward as always. I've shopped here many times over the years and know where things are. Everything was quick and easy to find. The website is organised well. Great shopping experience.
Overall Rating -> 10
Easy to maneuver, could find what I was looking for. Prices very good. Enjoyed my shopping experience.
Overall Rating -> 10
I particularly like information about product provided with purchase.
Overall Rating -> 8 
Excellent product selection with easy to use sorting functions. Gem pricing is also competitive.
Overall Rating -> 8
1st time buy. The experience to date has been easy.
Overall Rating -> 8
Everything was good about this order except I was a little disappointed in the product because it was so small. This is the first time that I have ever bought a gem so I was very unfamiliar with the sizes mainly because measurements were in metric.
Overall Rating -> 10
Great experiences I’ve shopped with you several times and always recommend this site for anyone in search of stones
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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  |
