Fine wine prices increased on average by 25% in the last 12 months according to Knight Frank's Luxury Investment Index (KFLII). Fine wine was the only asset class to achieve double-digit growth over the last 12 months. KFLII measures price growth across 10 luxury investment sectors. Wine had the highest growth year-on-year, ahead of classic cars, fine art, diamonds, jewellery and antique furniture. Fine wine prices have risen 61% over last 5 years and 231% across the decade, coming only second to classic cars.