Carrots are devine... You get a dozen for a dime, It's maaaa-gic! - Bugs Bunny

As the saying goes...if it's too good to be true, it probably is:

A "confidence trickster" set up a sophisticated scam to dupe people into buying
fake gemstones made of concrete and glass, Northampton Crown Court heard today.

Read more here:
http://www.northamptonchron.co.uk/news/Confidence-trickster-set-up-fake.4740096.jp