https://en.wikipedia.org/wiki/Larisa_Popova_(gemologist)
https://nykdaily.com/2022/06/larisa-popova-the-experienced-gemologist-and-appraiser-sheds-some-light-on-her-successful-career/
https://ventsmagazine.com/2022/06/08/larisa-popova-luxury-jewelry-expert/
https://www.theamericanreporter.com/larisa-popova-evaluated-32-carat-koi-diamond/