Last month saw the first birthday of Grand Central Birmingham, and one of its main retailers, the jewellers TH Baker, held a very special first birthday party at their store. This was a stylish mix of champagne, gin cocktails and canapes, as well as jewellery demonstrations, networking and a chance to admire all the new ranges Vertu, Longines and the new diamond collection, that will be available in the run up to Christmas. I was lucky enough to be on the guest list for this very special evening. TH Baker is a jewellers that is host to a wide range of gorgeous jewellery brands, and also has serious expertise when…