Bobbi Kristina’s engagement ring is an exact replica of Kate Middleton’s – minus a few carats, says expert

It’s a ring fit for a princess! So it makes sense that it should decorate the fingers of both Kate Middleton and the daughter of the “Queen of the Night,” Whitney Houston. It was revealed today that Bobbi Kristina Brown, 19, is indeed engaged to Nick Gordon, who the late singer raised as her son. On Twitter, Bobbi Kristina posted a photo of the bling her 22-year-old beau gave her: a 15-carat sapphire stunner surrounded by 1.5 carats of diamonds that may look a little familiar … like the one that adorns the hand of Prince William’s wife! “It’s a definite copy of her ring,” Anthony Sarkissian of Premier Jewelry Lenders in Beverly Hills tells omg!. “The shape of the stone, the way it’s set, having it made in platinum, the thinness of the shank … it’s a carbon copy of [Kate’s ring].”