you are fan of Free fire.
This Guide and Calculator for diamonds will help you to calculate the free fire diamonds

This is a good app for fan of game FF to calculate the number of diamond you need to buy usd.
This application very simple.

Note :
Diamond Free Fire Calculator is pro
This is a good app for fan of game FF to guide infomation and calculating cost of the diamonds
this app is very simply
Please Note:
* "Diamond Calculator for Free Fire Free" is only to help gamer in guide in game
This app is NOT a cheat or hack to get free diamonds in free fire.