Earning "Rough" Astral Diamonds (RAD) and refining them is the standard progression path.
You cannot buy Astral Diamonds directly from a developer store. Instead, you must use the : Step 1: Purchase Zen (premium currency) with real money. buy astral diamonds
Because demand for Zen often far exceeds supply, there is frequently a massive backlog (millions of Zen requested). This can lead to wait times of several months on platforms like PC to receive your AD after listing Zen. Top Ways to Earn Astral Diamonds for Free Earning "Rough" Astral Diamonds (RAD) and refining them