Have the urge to really ruin the resale value of a diamond? Here's one way—permanently embed a hi-res grayscale photograph of yourself in it.

A company called DiamondPure takes any photograph you want and then, using a "revolutionary" nano-photograph process, etches the visage into any size diamond you want. Though they're normally invisible, you can view them using GemmaView, a proprietary portable viewing device.

Cute, right? Yeah, not so cute when the recession forces you to take that gem to the pawn shop and the guy gives your rock a one over only to chortle and maybe make some joke about you being better looking in real life before throwing it back in your face. [Born Rich]

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