DE BEERS. A BRASS AND DIAMOND HOUR GLASS TIMER SIGNED DE BEERS, STARBURST DIAMONDS 2000 MODEL, CIRCA 2000 Movement: Cascade of over 2000 natural rough diamonds, weighing approximately 36 carats, suspended in a silicone fluid Case: Gold plated and acrylic reversible timer, duration approximately ten minutes, 148 mm. high With: Battery operated illuminated stand, instruction manual and presentation box