Because the industrial ones are likely lab-made (as with a lot of lower-priced diamond jewelry). You can’t make gold in a lab.
Discussion
Exactly, except you can’t make gold in lab YET (in economic way)
Because the industrial ones are likely lab-made (as with a lot of lower-priced diamond jewelry). You can’t make gold in a lab.
Exactly, except you can’t make gold in lab YET (in economic way)