Subtle, customized and for the time being, not well-known enough to rip the cliché threshold. Sakurako Shimizu‘s “waveform” series is a conceptual product line of hand-made silver rings, etched with the waveforms of the significant other’s words, laughter, a sigh of orgasm or basically anything you can think of – there are also necklaces and brooches, check her blogpost on the waveform series.

While you’re at it, don’t forget to nibble at the poor jewelry items at designboom – Jiro Kamata’s stuffs produced out of glasses is J-minimalism blooming into life. (sakurako shimizu blog, via gadgets.boingboing)