The 1Zpresso Diamond A Coffee Grinder is a manual tabletop grinder built around a stable, bench-mounted approach to hand grinding. An integrated suction base locks the grinder firmly to a smooth surface, while the side-mounted crank drives a large 50mm octagonal conical burr, giving you the control of manual grinding without needing to hold the grinder in your other hand.
Built for the Bench
The Diamond A uses its 3kg metal body and integrated suction base to create a solid grinding position, letting you focus on turning the crank rather than keeping the grinder steady. The side handle provides plenty of leverage through finer settings and retracts back into the grinder frame when you're finished, keeping its footprint tidy between brews.
50mm Burr Performance
A 50mm low-carbon, high-nitrogen alloy burr gives the Diamond A the size and cutting surface to work efficiently across different brewing methods. Grind size is controlled from the top of the grinder, with 100 clicks per rotation and just 15 microns of adjustment between each click for precise changes when moving between coffees, recipes and brew methods.
Grind More at Once
With an 80g grounds capacity, the Diamond A can handle considerably larger doses than a traditional handheld grinder, making it practical for batch brews as well as smaller daily recipes. The magnetic catch bin twists away for easy transfer, while the included dosing cup and RDT spray bottle give you everything needed to manage coffee cleanly from beans to brewer.
1Zpresso Diamond A Coffee Grinder Features
Bench-Mounted Design – Secures to a smooth surface for a stable grinding position without needing to hold the grinder by hand.
50mm Octagonal Burr – Large low-carbon, high-nitrogen alloy conical burr supports fast, consistent grinding across different brew methods.
15-Micron Adjustment – Fine changes between clicks provide precise control when dialling in different coffees and recipes.
80g Grounds Capacity – Handles larger doses and batch brewing without repeatedly emptying the catch bin.
Retractable Side Handle – Provides leverage while grinding before storing neatly inside the grinder frame when not in use.
Magnetic Catch Bin – 80g twist-off catch bin removes easily for clean transfer after grinding.
Tool-Free Cleaning – Modular construction provides access for regular cleaning using the included brush and air blower.
A machine to make your own.
Freshly ground. Every morning.
Small tools. Better mornings.







