
Sign up to save your podcasts
Or


The market is seeing a spate of green diamonds coming back from grading labs as treated or “undetermined,” says Thomas Hainschwang, cofounder of GGTL Laboratories. Plus: synthetic diamonds, trends in grading, and the science of identifying origin.
By Rapaport3.2
1818 ratings
The market is seeing a spate of green diamonds coming back from grading labs as treated or “undetermined,” says Thomas Hainschwang, cofounder of GGTL Laboratories. Plus: synthetic diamonds, trends in grading, and the science of identifying origin.

30,609 Listeners

1,993 Listeners

14,964 Listeners

30,233 Listeners

3,903 Listeners

2,869 Listeners

50 Listeners

6 Listeners

362 Listeners

26 Listeners

15,411 Listeners

51 Listeners

3,858 Listeners

780 Listeners

107 Listeners