A rare pink diamond auctioned next week could set a new world record if it sells for its estimated price of $27m-$38m (€20m-€28m), Sotheby’s says.

A PEAR-SHAPED diamond once owned by Christina Onassis has been sold at Christie’s in London for €4.5 million.

Surrounded by palm trees and azalea bushes on a lush Brazilian estate, Greek billionaire Athina Roussel Onassis will say ‘I do’ to an Olympic athlete on Saturday in what Brazilians expect will be one of the most lavish weddings in years.