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How to manufacture a diamond

The extreme chemistry that goes into man-made gemstones - Ritu Raj of manufacturers Diamond Foundry explains the process to the ÃÛÑ¿´«Ã½'s Ed Butler.

(Picture: 100-carat diamond being displayed at Sotheby's; Credit: Marwan Naamani/AFP/Getty Images)

Release date:

Duration:

2 minutes