Blodd RubiesArticle here says that 90% of ruby production is from Myanmar and sale of these stones supports a dictatorial, corrupt, and morally bankrupt state.
https://www.reuters.com/article/worldNews/idUSMAN5177620071004?feedType=RSS&feedName=worldNews&pageNumber=1
If TGX is smart they should get on the "ethical" advertizing of their stones.