Here is the full list of all 42 Gemstones achievements.
Played 1 game!
Played 10 games.
Played 25 games.
Played 50 games.
Played 100 games! Go outside.
Played 1 timed game.
Played 5 timed games.
Played 10 timed games.
Played 1 hardcore game.
Played 5 hardcore games.
Played 10 hardcore games.
Played 5 classic games.
Played 10 classic games.
Reached 100,000 score in classic.
Reached 500,000 score in classic.
Reached 1,000,000 score in classic.
Reached 100,000 score in timed.
Reached 500,000 score in timed.
Reached 1,000,000 score in timed.
Reached 100,000 score in hardcore.
Reached 500,000 score in hardcore.
Reached 1,000,000 score in hardcore.
Unlock your first cosmetic.
Unlock all pop effect cosmetics.
Unlock all trail effect cosmetics.
Unlock all cosmetics.
Reach 5x combo multiplier.
Reach 10x combo multiplier.
Reach a streak of 50 gem pairs.
Reach a streak of 100 gem pairs.
Reach 10,000 score without using any moves in classic or hardcore.
Reach 50,000 score without using any moves in classic or hardcore.
Move coal.
Make a pair of two heart gems.
Make a pair of two pickaxes.
Unlock all gem types within a game.
Placed 1 tile onto the board.
Placed 100 tiles onto the board.
Placed 1000 tiles onto the board.
Fully fill a board with tiles within a game.
Save up 1,000 Gems.
Save up 10,000 Gems.