Hotel's official name: Hilton Garden Inn Calgary Downtown
State/province/country: Calgary, AB Canada
Your status (Gold/Diamond) at time of stay: Diamond (mid June 2019 weekend 1 night stay)
Type of breakfast offered (full/intermediate/continental; see wiki): Full
Taken in restaurant or lounge?: Restaurant (Garden Grille).
Extra options (e.g., upcharge for full breakfast): Technically, they give a $25 CAD breakfast spending credit per diamond member (or 750 points). Breakfast costs $17.95 CAD ($18.85 CAD after tax), so the credit is not enough to feed 2. For this price, you can order 1 plate of: (eggs or omelette) + (bacon or sausage or potatoes) + (waffle or pancake or french toast). Sliced fruit, yogurt, cold pastries/muffins/breads, juices, and coffee are buffet style.
Added your report to wiki?: N. It is locked in an archived thread? Sorry I couldn't figure out how to update.