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Big, rare yellow diamond displayed in NY

Cora Sun Drop, the world's largest yellow diamond, is on display in New York.

February 14, 2011 12:00:00 AM PST
In honor of Valentine's Day, a New York diamond company is showing off the world's largest yellow diamond.

The pear-shaped diamond is called the Cora Sun Drop and weighs in at 110 carats. The color comes from a small amount of nitrogen in the stone.

It's so big and rare that the company won't even put a price on it.