Learn about the history, design and inspiration behind the $55M Graff Diamonds Hallucination watch, a sculptural masterpiece of 110 carats of coloured diamonds . Discover how Graff , a British jewellery company, collects and cuts the rarest and most expensive diamonds in the world. The Graff Diamonds Hallucination is a sculptural masterpiece of 110 carats of rare and big colored diamonds set in platinum. It is the most valuable watch ever created, with a tiny quartz dial framed by pink diamonds , and a hidden tongue clasp. This is world's most expensive watch is owned by an Indian that costs Rs 456 crore, not by Mukesh Ambani, Gautam Adani In 2014, Graff Diamonds , a London-based jewelry house, made its presence felt in the prestigious watch and jewelry show in Baselworld. On the first day of Baselworld 2014, Graff Diamonds has unveiled what is surely the most valuable watch ever created. The $55 million dollar Hallucination watch, which is described as an exceptionally rare, multi-coloured diamond timepiece, is on display for the duration of Baselworld watch and jewellery fair, where Graff Diamonds makes its debut this week. Featuring a stunning kaleidoscope of over 110 carats of extraordinarily rare coloured diamonds , the Graff Hallucination takes jewellery ...