Geng Shuai, a 31-year-old DIY tinkerer from Baoding, Hebei province, has shot to fame for his "utterly useless" yet hilarious contraptions, including a meat cleaver smartphone case, a barbecue football table and an earthquake-proof noodle bowl.
"Lightbox will transform the lab-grown diamond sector by offering consumers a lab-grown product they have told us they want but aren't getting: affordable fashion jewelry that may not be forever, but is perfect for right now," said De Beers CEO Bruce Cleaver.
