This link might be of interest to the OP if there are any reservations...These were one of the first hits on Google and I didn't dig any further. Do read the response about grounding reef that someone shared and echoed about inexperience of the crew in general. There was one favorable review in the end.
It sounds like they depend a lot on freelance crew and that has led itself to problems with dive logistics, familiarity with the dive sites, operation of the boat, etc., which has had some safety implications.
It is very surprising for a liveaboard that charges so much. They are in the upper tier of pricing.
Bad experience with Tiare Cruise (Raja Ampat, Indonesia) - Indonesia Forum - TripAdvisor
Tiare liveaboard aground at Banda Sea - Indonesia Forum - TripAdvisor