The Welcome Klara, Avery, and Greta Sweepstakes campaign post reached 20,000
reposts, so everyone gets 3,000 gems! You can claim this gift until August 15 at 10:59 p.m. PDT, so don’t forget to log in! Players that login to Pokémon Masters EX any day from July 16th, 2024 until August 15th, 2024 at 10:59 p.m. PDT can receive the 3,000 gems by checking their in-game mail and claiming the gems.
Source:
https://x.com/PokemonMasters/status/1813091312201089067