This four-strand natural pearl necklace, set with colored saltwater gems, set a new world record for a coloured pearl necklace , when it sold for just over $5 million at Christie's Magnificent Jewels sale in New York on April 14.

This four-strand natural pearl necklace, set with colored saltwater gems, set a new world record for a coloured pearl necklace , when it sold for just over $5 million at Christie's Magnificent Jewels sale in New York on April 14.