The most expensive cat breeds in the world Allecra hypoallergenic. PRICE : ABOUT $6,000. These cats are result of genetic researches of Lifestyle Pets, formerly Allerca. Allerca scientists tried to delete or disable the gene that causes most human cat allergies. Previous Next 1 2 3 4 5 6 7 8 9 10 2017-06-08 admin Share ! tweet