Checking the price tag…

value end · priced above 12% of the cola aisle (per fl oz)
Diet Coke is a low sugar cola available in 12 fl oz cans. It is marketed as having no sugar and no calories, making it a popular choice for those seeking a lighter soda option.
measured Aug 14–Sep 15 · prices update as stores are re-measured
SF grocers that run cola deep but don’t carry Diet Coke yet — a natural next door.
9 storefronts across 2 grocers carry it · tap a pin to open the store.
same product family · other formats and pack sizes the source lists separately.
stocked in the same aisle at the same grocers · widest co-carriage first · filed under Soda here.
nearest neighbors by what the product is · regardless of where it sits.