Play Diamond Duke at LeoVegas Casino, just one of the many casino games on offer including slots, table games and live dealer tables. 18+. LeoVegas. Game facts: This classic Quickspin slot is dotted with dazzling diamonds! Find them over 3 reels with 5 paylines, with Diamond Duke offering an RTP of %. Diamond Duke is a 3-reel, 5-line online slot game with bonus round, bonus spins, instant play, autoplay, video slots, multiplier, wild symbol. You. The Diamond Duke slot on mobile is a classic 3 reel slot with up to x your bet wins, find out how to play and where in our review. The machine features a simple 3x3 grid. The Diamond Duke slot is powered by Quickspin and is played with 3 reels and 5 paylines. Inspired by s jukeboxes, you can spin away from 10p per spin on. Diamond Duke offers three bonus features that can each offer the chance of big wins through the spin of a wheel or a random pick & click. . LeoVegas. With classic diamonds, sevens and cherries, their latest release, Diamond Duke LeoVegas logo. 5/5. €/$ + fs. To win the Diamond Duke online slot, you have to understand that things in this game are more simple than usual. Play. Quickspin's volatility is measured from , and Diamond Duke musters up the full 5, so it's a highly volatile game. % Up To € over 4 deposits.