In the core series games
In the Generation V games, the Comet Shard can be sold to the ore maniac inside the Icirrus City Pokémon Center for 60000.
In the Generation VIII games, the Comet Shard can be sold to the valuable item buyer in Stow-on-Side for 30,000.
The Comet Shard serves no practical purpose other than to be sold.
|| A shard which fell to the ground when a comet approached. A maniac will buy it for a high price.
| A shard that fell to the ground when a comet approached. It can be sold at a high price to shops.
|| Finite methods
|| Repeatable methods
|| Giant Chasm
|| Held by wild Clefairy (1% chance), wild Lunatone (1% chance), and wild Solrock (1% chance) (dark grass only)
|| Dragonspiral Tower
|| Join Avenue (Avenue rank reward)|
Held by wild Clefairy (1% chance), wild Clefable (1% chance), wild Lunatone (1% chance), and wild Solrock (1% chance) (dark grass only)
|| Rugged Mountain
|| Anistar City
|| Battle Chateau
|| Route 114
|| Secret Base ("Search for treasure" with Secret Pal)|
Any Contest Spectacular Hall (random gift from a fan after completing a Master Rank Contest)
|| Hokulani Observatory, Haina Desert, Route 15USUM, Poni BeachUSUM, Poni CoastSM
|| Smashing breakable rocks with Tauros Charge (Vast Poni Canyon, Poni Plains, Resolution Cave, Poni Coast)|
Poké Pelago (Isle Aphun - Odd-Shard Hunting, Rare-Treasure Hunting, Interesting-Item Hunting)
|| Route 10
|| Stony Wilderness, Giant's Cap, Dusty Bowl, Giant's Mirror|
East Lake Axewell, Giant's Seat, North Lake Miloch, Motostoke Riverbank, Stony Wilderness, Dusty Bowl, Hammerlocke Hills, Giant's Cap (Max Raid Battle rewards)
Bridge Field (Digging Duo)
|| Cram-o-matic (Flying, Ground, Bug, Ghost, Grass, or Ice: 112-120 points)|
Cram-o-matic (Star Pieces in Slots #1, #3, and #4)
In other languages