Heat oil in a large Dutch oven over medium-high heat; coat pan with cooking spray. Add half of lamb; sauté 8 minutes or until browned. Remove from pan. Repeat procedure with remaining lamb. Return first batch of lamb to pan. Add onion, 1/4 cup water, and garlic to pan; cook 4 1/2 minutes or until lightly browned, scraping the pan to loosen browned bits. Add cumin, coriander, ginger, saffron, allspice, pepper, and cinnamon; cook 30 seconds, stirring constantly. Stir in broth and 1 1/2 cups water; bring to a boil. Cover, reduce heat, and simmer 1 hour. Stir in chickpeas, carrots, raisins, and figs; cover and simmer 20 minutes or until carrots are tender. Stir in mint and salt.