Carrying out a sparkling pitch during Dragons’ Den series 21 are friends Sidney Neuhaus and Jessica Warchiwker. The ladies are looking for a $250,000 investment in their fine jewelry and diamond company, Kimai. After growing up in Antwerp Belgium, AKA The Diamond City of the World, Jessica and Sidney carved out a path in the jewelry industry. But, they launched their own business after realizing they didn’t know where the diamonds they were buying had come from. Now, they’re appearing on BBC‘s Dragons’ Den looking to recruit one lucky investor. Kimai Diamonds on Dragons’ DenUnique brand Kimai,…