Not everyone can complete this puzzle in under 30 seconds.
The puzzle challenges people to spot the single heart-shaped diamond in the sea of other precious stones. It was created by diamond merchants Chrisholm Hunter, who said it takes an average of more than a minute to find the diamond.
Only a small minority of people can complete the puzzle in under 30 seconds, with one in five being able to do so. You can find a clearer picture of the puzzle below, study it but make sure you time yourself to see if you are one of the special few.
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Have you completed the puzzle, or given up? Find the solution below.
If you want to try more puzzles and brainteasers, try this one and see if you can find the number two among a sea of numbers. Or,
Or, if that challenge doesn't suit you, here's another. In this puzzle, you have to tell who is the cheat from the three runners using only visual clues. Think you've got the eye for it? Take the brain teaser now and see if you really do.
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