Mila Kunis

MONTEPUEZ, Mozambique — Mila Kunis embodies just the kind of woman that Gemfields, the world’s leading supplier of rare colored gemstones, wishes to entice: young, sensual, enigmatic — and affluent. The 32-year-old Hollywood actress, best known for her roles in Black Swan and Oz the Great and Powerful, is the star of Gemfields’s promotional short film, showcasing jewelry made by top designers with stones mined at Montepuez, the world’s largest ruby concession and one of Gemfields’s latest acquisitions. Located in…