My friend told me about this place. So, you can do this totally online. But they have shops in CausewayBay and Mongkok.
You can send them photos and select the figurine (in a policeman figurine, sexy bikini, chef etc). And they have many figurine designs to choose from. They will create the face from the photo you send them.
It takes them about two to three weeks to create the entire figurine on a normal service. But you can also select other timelines like urgent…
You can go online, upload your photo, select the style of the figurine. And perform a money transfer as well online.
Then, collect the figurine from one of their shops.
A typical figurine cost about HKD650 onwards to HKD800.
Shop #133, 1/F, Island Beverley, 1 Great George Street, Causeway Bay, Hong Kong (Island Beverley is just opposite Sogo main entrance)
Shop #23, 11/F, Langham Place, 8 Argyle Street, Mong Kok, Hong Kong