And the public agreed: Diamonds and Pearls, released in October 1991, boasted six singles, including Gett Off, Cream and Money Don't Matter 2 Night, and remains his biggest-selling album in the UK.

The diamonds need to fall in a specific shade, between C4 and C6, on the industry's color scale, which is more of a milk than a dark chocolate. More from So Expensive Meline: A pearl is one of the ...