The pair feature prominently in the ante-post betting for the colts' Classic on April 30 but a final decision will not be made until they have returned to Newmarket from their winter training base in Dubai.
"We get back early next month and we'll let them acclimatise," said Crisford. "By the Craven meeting we'll pretty much know what we're doing. Casamento had a good winter.
"Whether he runs in the Guineas or goes for the Dante, that decision will be made much closer to the time.
"Dubai Prince has got a good turn of foot and he will stay but he has got plenty of speed to run over a mile. They are all in good shape, that's the main thing."