Blue Ivy Carter wore a one-of-a-kind diamond riviere necklace to the 2026 Met Gala. Getty Images for The Met Museum/Vogue Blue Ivy Carter made her Met Gala debut on Monday night , hitting the red carpet with high-fashion parents Beyoncé and Jay-Z. The 14-year-old wore a strapless, bubble-hem white dress with a matching bomber jacket, all by Balenciaga — and a single statement necklace that wowed. The necklace is British jeweler Henry & Henry’s one-of-a-kind Riviere Diamond Necklace , which features a 5.39-carat yellow diamond center stone, surrounded by a graduated line of classically bright white diamonds. Dressed in a Balenciaga dress and jacket, the 14-year-old defied age restrictions with her appearance at the event. FilmMagic Her Henry & Henry necklace featured a center yellow diamond that weighs 5.39 carats. John Salangsang/BEI/Shutterstock Set in 18-karat gold, the necklace is designed in the Georgian style with a cut-back setting.…