I did very harsh tests with diamond and it passed successfully.

[@daraprabhavathi1244]

I have many stones same to same

[@Sapphire_Hunter]

There are many stones that are similar to each other and have the same color. The important thing is to test the hardness. I also recommend you to do it.

[@nikeshdasrathva]

I have many stones same to same

[@وليدالشرماني-ل4ج]

ايش هذا النوع يوجد لدى كماه