In pictures: Diva diamonds

1 of 6 A collection of jewellery worn by legendary opera singer Maria Callas is to be auctioned in Geneva.

2 of 6 The dazzling necklaces, bracelets and earrings were given to Maria by her first husband.

3 of 6 The collection looks a million dollars and Sotheby's estimates it could fetch that sum at auction.

4 of 6 One of the most dramatic pieces is an 11.7-carat diamond marquise-shaped ring.

5 of 6 The collection includes rubies, emeralds, pearls and, of course, diamonds.

6 of 6 Well-heeled opera fans are likely to jump at the chance to buy a piece of her legend.