iDiamond ear: $6,400 earbuds don’t come any cheaper

Filed under: Portable AudioWe were never too hip with the precious metals, and we can’t say we’re doing any better with that setup. The iDiamond ear, built by Heyerdahl jewelry, is slicked up with 18 karat gold and 204 diamonds, but we can’t help but seeing a pair of cheap headphones with sparkle on…