Possible Clues:

• Duke murdered and cut into pieces
• Dukes pinching diamonds took a risk
• Took a risk, and perished rounding Cape
• Game of chance: diamonds cut
• Cubed ... or played with cubes
• Cut diamonds, diamonds, diamonds
• Took risks — kicked bucket across entrance to crescent
• Played with small cubes
• Cubed in the kitchen
• Duke murdered and chopped into pieces