Fountain pens · owner-verdict comparison

Lamy AL-Star vs TWSBI Diamond 580: what real owners say

Real owners lean toward the TWSBI Diamond 580: 77% of 394 owners recommend it, vs 61% of 94 for the Lamy AL-Star.

Verdicts aggregated from Reddit, enthusiast forums, and YouTube owner comments — affiliate reviews excluded. Sample sizes differ; judge accordingly. How we score

Lamy AL-Star

61%of 94 owners recommend
61% recommend · 15% neutral · 24% don't
Owners praise
  • Smooth, enjoyable to write with
  • Durable, holds up for years
  • Premium aluminum feel, good value
Owners complain about
  • Nibs can be scratchy or dry, need tuning
  • Body or looks feel cheap and divisive
  • Heavier than some prefer
Full owner report →

TWSBI Diamond 580

77%of 394 owners recommend
77% recommend · 13% neutral · 10% don't
Owners praise
  • Writes great right out of the box
  • Holds tons of ink, easy piston filling
  • Durable and crack-free even with heavy use
Owners complain about
  • Nib dries out and skips during long writing
  • Barrel and threads crack or break
  • Plastic connector chips from the metal wrench
Full owner report →

What Lamy AL-Star owners say

“The Aquatic grip with the Ocean Blue body is a great match!”
— @AlanDayley on YouTube
“I do find I like the Al-Star as I think it ground you.”
— @athenaenergyshine7616 on YouTube
“No matter how fancy the colors of AL Star is I am team Lamy Safari.”
— @wordywordpecker on YouTube

What TWSBI Diamond 580 owners say

“TWSBI is the only pen I own that you can set aside for months, pick up and use without issues. They are airtight beyond imagination.”
— @Erin-Thor on YouTube
“I love them both.”
— @ShariArts on YouTube
“I vastly prefer my ECO to the 580. I ended up selling the latter, it just didn't feel or write as well, but the ECO just feels right and doesn't lose anything if you ask me!”
— @markdryden8240 on YouTube