Q.How much did the heaviest truffle sell for and what was the weight in kg?
A.The heaviest truffle ever found is a white truffle from Italy that was sold to billionaire Stanley Ho for $330,000 (£203,365) in 2007. It weighed 1.5kg.
A.Saffron is the world's most expensive food by weight, selling for around $2,200 per kg. Truffles can occasionally fetch even more for the weight.
Q.What did the most expensive chocolate truffle in the world sell for?
A.The most expensive chocolate truffle is the Chocopologie, a dark chocolate truffle that sells for £3,280 per kg. It is made by Fritz Knipschildt, a Danish chef.
Q.Where do you get truffles from
A.The best place to find truffles is in France and Italy, 4 to 5ft from the base of an oak tree. Black truffles sell for between 200 and 600 euros per kg.
Q.Are truffles more expensive than gold by weight
A.No, truffles are not more expensive than gold. Gold is currently around £20,200 per kg, whereas a kg of white truffles is about £5,500 at Harrods.