Now Showing: How to make a solid gold credit card; 200-carat rough turns into 33 single diamonds and turning amethyst invisible

Posted February 04, 2022 |

This week, a jeweller melts gold to make a one-of-a-kind credit card, learn how to turn an amethyst invisible with the magic of light refraction and watch how a 200-carat rough diamond gets cut into 33 individual diamonds.


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