Céline Dion’s jewels are nothing short of titanic. The pop icon, 58, covers Harper’s Bazaar’s September issue in a show-stopping Bulgari choker necklace, its centerpiece a 49-carat cushion-cut tanzanite stone in a deep, saturated blue surrounded by more than 4 carats of diamonds. The shoot marks her anticipated return to the stage after a six-year absence, during which she has battled the harrowing symptoms of stiff person syndrome; her five-week run at Paris La Défense Arena begins Sept. 12. Dion wears the Tubogas necklace — an 18-karat pink gold piece inlaid with lapis lazuli and turquoise, the brand confirms to Page Six Style — with a…
