But as diamond resale ... orange, and yellow sapphires are all highly sought after. One of the rarest, and therefore most ...

Princess Eugenie's has a rare soft pink Padparadscha sapphire, surrounded in a halo by ten round-cut diamonds, with two pear-shaped side stones set on a yellow gold band. Its value is estimated at ...

The collection features more than 1,800 carats of the most precious kind of colour: sapphires, emeralds, rubies and yellow diamonds, grouped together in collections or, in the case of the largest ...