Sweet Gem Berry is a crop in Stardew Valley. It can be grown during the Fall and take 24 days to mature. They sell through the shipping container for No Star: 3000g, Silver: 3750g, Gold: 4500g each. They cannot be used in the Preserve Jar or Keg.
They can be Bought at the Traveling Merchant for 1000g.
Stardrop Trade[]
If you trade the Sweet Gem Berry to the statue located far West of the Secret Woods, you will receive a Stardrop. You can only do this action once.