The Marina B diamond necklace worn by Alicia Keys when she performed during last year's Super Bowl is part of the Legendary Luxury Jewellery Collection designed by Marina Bulgari for her eponymous luxury label Marina B, which will go on sale at Bonhams Ho

The Marina B diamond necklace worn by Alicia Keys when she performed during last year's Super Bowl is part of the Legendary Luxury Jewellery Collection designed by Marina Bulgari for her eponymous luxury label Marina B, which will go on sale at Bonhams Hong Kong this November.