Enter this mine in Double Digger to see what you can unearth. Like all good mines, there's a plethora of precious gems to collect, from rubies to sapphires. However, the diamond symbols are the true gems as they unlock the jackpots that hold the key to the game's top prize. Prospectors, it's time to start digging. Game details: Playtech Slots, scatter symbol, wild symbol, free games, bonus round, feature round, diamonds, gems, mining.