
Sign up to save your podcasts
Or


On his second appearance, Thomas Hainschwang of GGTL Laboratories discusses underqualified gem labs, the latest developments in synthetics, and why fluorescent diamonds have a bad name.
By Rapaport3.2
1818 ratings
On his second appearance, Thomas Hainschwang of GGTL Laboratories discusses underqualified gem labs, the latest developments in synthetics, and why fluorescent diamonds have a bad name.

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