A 5.02-carat fancy colour blue diamond is expected to command an impressive return at an upcoming auction in Hong Kong. | Source: Rapaport

The Oriental Sunrise earrings feature two oval mixed-cut fancy vivid orange yellow diamonds.

A necklace featuring 26 oval-shaped Burmese rubies is expected to impress buyers.

A Cartier ring featuring a 4.39-carat fancy vivid blue diamond will appear at auction in Hong Kong.