Answer:
All mandalas represent an invitation to enter the Buddha's awakened mind. Tibetan Buddhists believe that in each person's mind there is a seed of enlightenment that can be discovered by contemplating a mandala. The mandala's design denotes the order and harmony of an enlightened mind.
Da Vinci - Renaissance
Blake- Romanticism
Cimabue- Late medieval
Pontormo- Renaissance
... from my memory. Sorry if Pontormo is wrong.