Hotel's official name: Hilton Sydney
State/province/country: Sydney, NSW, Australia
Your status (Gold/Diamond) at time of stay: Diamond
Type of breakfast offered (full/intermediate/continental; see wiki): Full in restaurant; Intermediate in lounge
Taken in restaurant or lounge?: Both; restaurant breakfast was more extensive.
Extra options (e.g., upcharge for full breakfast): Was offered made-to-order eggs, no charge; Barista coffees (flat whites, lattes, etc.) were offered for a "small charge" but it never showed up on my bill
Added your report to wiki?: Yes