Known to be the hardest crystal on the planet, diamonds are said to be forever. But a tricky new diamond-themed brainteaser may not quite take so long to solve.
The puzzle, created and shared by family-owned jewellers and specialist diamond merchants Chisholm Hunter, challenges the nation to spot the rare heart-shaped diamond in the sea of precious stones. According to Chisholm Hunter it takes an average of more than a minute to find the beautiful heart-shaped diamond.
But if you have magpie vision and are drawn to shiny things, you may just be able to beat the one of the five that can find it in under 30 seconds. Still struggling to spot it? You can find the solution below.