Dr. Ulrika Dannens-Janensen
Appearances
Planet Money
Planet Money buys a mystery diamond
Ulrike Daniels Johansson, senior manager of diamond research here.
Planet Money
Planet Money buys a mystery diamond
So now taking your mystery diamond and looking at it under the microscope.
Planet Money
Planet Money buys a mystery diamond
Yeah, there's a little bit of cat hair there. A little bit of fluff, but that's not a problem.
Planet Money
Planet Money buys a mystery diamond
What I'm seeing here, at least, is that it's very high clarity.
Planet Money
Planet Money buys a mystery diamond
We need to give it a little bath. It's going to go in liquid nitrogen. So liquid nitrogen... I'm sorry, what?
Planet Money
Planet Money buys a mystery diamond
This is a diamond, so we're not looking at a simulant.
Planet Money
Planet Money buys a mystery diamond
It's that imprint of how it grew, how it survived in the earth, or how it was produced in a laboratory.
Planet Money
Planet Money buys a mystery diamond
Yes, exactly. The placement of freckles on anyone who has freckles is slightly different.
Planet Money
Planet Money buys a mystery diamond
One of the things that you'll notice is that there is a line going through it, a layer.
Planet Money
Planet Money buys a mystery diamond
So as they were growing, probably they were struggling a little bit with their conditions. They weren't able to maintain it. They had to stop. They take it out, get it a little clean, polish it up, and then they grew a second layer.