A year and a half ago Hyatt introduced a new top redemption category 7 costing 30,000 points per night. They also increased the price of category 6 hotels from 22,000 to 25,000 points per night.
This year the Park Hyatt Maldives jumped up to category 7. So in two years it went from 22,000 points a night to 30,000 points per night, a 36% increase.