Dennis Grambas is is the Executive Manager at Van Bercken, a fine jewellery boutique in the luxury Crown Melbourne complex. The boutique stocks the highest quality custom jewellery including Argyle Pink Diamonds and Danish fine jewellery brand Ole Lynggaard Copenhagen. Dennis has more than 25 years experience in gemstone retailing, working with leading Australian jewellers including Paul Bram and Canturi. He has a deep knowledge of the wholesale and retail diamond industry and is expert at sourcing stones globally. In his role at Van Bercken, he leads a handpicked team of expert retail staff in the flagship boutique, assisting clientele to select from a collection of fine jewellery in store as well as to track down rare stones (particularly pink diamonds and fancy coloured diamonds) and work on custom-designed pieces for clients around the world. Dennis has a Diploma of Diamond Technology and a Diploma of Gemmology from the Gemmological Association of Australia.