'Magnificent and noble' rare jewels shown off before auction

A collection of rare jewels, including an emerald and diamond tiara once owned by a Russian Princess, is going up for sale at Sotheby's.

The collection dates from the nineteenth century and includes a pink diamond ring which could sell for up to ten million pounds.

Tiaras, rings, brooches and necklaces to be auctioned went on show in New York this week.