Diaddict, a designer Japanese brand that specializes in jewelry, has recently come out with a one-of-a-kind, diamond-studded strap for mobile phones. The accessory features a 6.02-carat yellow diamond, as well as 2.1-carats in clear, white diamonds, a .61-ct. blue diamond and a .36-ct. pink diamond. Stunning to look at, it is currently on display at the Takashimaya Co. departments store in Nihombashi, Japan. Its listed price is 100 million yen ($842,000) .