Swiss-based jewellery house Chopard has written six-figure cheques to stars including Charlize Theron and Hilary Swank for wearing its jewels at past Oscars.ENVELOPE Stationery designer Marc Friedland spent 110 hours laminating, hand-folding, gold leaf-stamping and embossing 488 nominee cards but only 24 are placed in envelopes with the winners' names.FANS Chosen by lottery, 700 fans are given fro