Businessman Richard Barnfather and his fiancé Deborah Leadbetter were tied up, threatened and beaten by 3 masked men armed with a gun at their home in Lower Rudge near Pattingham on Friday 9th March.
The raiders stole around £50,000 worth of jewellery and 3 luxury cars including an Aston Martin, Range Rover and a Mercedes.
Jewellery stolen includes a diamond solitaire ring engagement ring worth £25,000, a bracelet with diamonds all the way around, a Breitling watch; a Cartier silver watch, and a heart-shaped platinum and diamond necklace. A purse containing cash cards and two Blackberry phones were also taken.
The cars were all found abandoned in the Black Country. They were later discovered in Tipton, Smethwick and Wolverhampton.
Police said one of the men had distinctive gold teeth and was carrying a gun. Further descriptions of the offenders can be found on the West Mercia Police website. A £14,000 thousand pound reward is being offered.