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en.wikipedia.org/wiki/Diamond_cutting

Diamond cutting is the practice of changing a diamond from a rough stone into a faceted gem. ... Certain cut shapes are used to intensify the color of the diamond. The radiant cut is an example of this type of cut. Natural green color diamonds ...

diamondhelpers.com/answers/how-are-diamonds-cut-when-they-are-so-hard

Jul 18, 2014 ... If diamonds are so hard, then what do they use to cut a diamond? ... This is a risky undertaking, and only used in rare cases since the advances ...

science.howstuffworks.com/environmental/earth/geology/diamond3.htm

There are special techniques that are used to cut and shape a diamond before it gets to the jewelry store. Diamond cutters use these four basic techniques:.

beyond4cs.com/cut/how-diamonds-are-polished

Since diamonds are made of the hardest material in the world, only a diamond can be used to mechanically cut another diamond. Lasers are another alternative  ...

sciencing.com/tools-used-cut-diamonds-4690850.html

Apr 24, 2017 ... Diamond is the hardest substance on earth, rating a perfect 10 on Moh's hardness scale. Only another diamond is hard enough to cut one.

www.ask.com/youtube?q=What+Is+Used+to+Cut+a+Diamond%3F&v=XZ-8US5tQNo
Jun 21, 2012 ... The Art Of Diamond Cutting GIA Diamond Brilliant Cutting of Diamonds Rought polish.
www.ask.com/youtube?q=What+Is+Used+to+Cut+a+Diamond%3F&v=8lk8p0re8Eg
Apr 7, 2012 ... We went to the Antwerp diamond district to have a look at how a rough ... to be cut into smaller pieces/ used as a single gem with more color...
www.ask.com/youtube?q=What+Is+Used+to+Cut+a+Diamond%3F&v=5OLI_Pthu0o
Aug 2, 2013 ... Get a rare look at the entire process of how rocks are turned into magnificent sparkling diamonds in the hands of experienced craftsmen.

www.yalescientific.org/2010/04/everyday-qa-how-can-you-cut-a-diamond

Apr 24, 2010 ... Before that time, diamonds were used only in their natural octahedral state due to difficulty in cutting. So why are diamonds so hard to cut?