A 59.6ct pink diamond sells for $83 million, and an entire gold mine sells for $225k online. Rumours about Katy Perry's marital status spark with her choice of jewellery at the MTV awards, and in line with stars and bling, Candice Swanepoel from Victoria's Secret finally takes the $10 million fantasy bra on the runway. In business news, learn how your B-grade salesman is your key to the highest yield in sales, and watch the big boys bolster their brands on Tumblr the right way. Read more »