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Diamond Guide & Profit - SoS: FoMT Answer Book | CozyProfit
Winter Mining

Diamond

Diamonds are a staple Winter income source in FoMT. Found in the Lake Mine, they serve as high-value gifts and consistent shipping items.

Best strategy in 30 seconds

Actionable summary (no fluff). Use the live calculator for your exact day & star quality.

Quick facts
  • Seasons: Winter
  • Base sell: 100G
What you should do
  • This is not a plantable crop. Focus on sourcing + best selling method.
  • 🧮 If you want the exact answer for today, open the calculator and set: season + current day + star quality.
Note: Some items have “0G shipping” but still matter for events, gifting, crafting, or special sell routes.

📊 Financial Analysis (Planted on Day 1)

Unit Value +100G
Acquisition Daily / RNG Not restricted by growing seasons.

⚖️ Huang's Haggling Secret

Do not put this in the standard Shipping Box! Sell directly to Huang by holding the item and speaking to him over the counter.

Box Price100G
Huang's Max Offer125G

💡 Expert Farming Tips

Diamonds are common in the Lake Mine. While 100G isn't massive, they are a 'Loved' gift for many girls including Jennifer and Maria.

FAQ

Where do I get Diamond?
Source: Lake Mine (Floors ending in 0, and below 10)
How do I unlock Diamond?
Accessible only in Winter when the lake freezes.
Why do some items show “0G” shipping?
Some flowers/special items can’t be shipped but still matter for gifting, events, crafting, or special sell routes.

Next: use the Answer Book

Keep momentum—jump to the exact next step players usually need after reading about Diamond.