This rare Cartier Art Deco brooch features sleek, symmetrical lines that embody the pioneering spirit of the era. At its center is a Sri Lankan untreated sapphire weighing approximately 5.3ct, with vibrant color and rich depth. The brooch is accented with approximately 1.6ct of diamonds, radiating brilliant brilliance. Crafted in platinum, the brooch measures 6.5×3cm and weighs 8.09g, with the stamp "Cartier" "22312.", with GIA certificate. A truly collectible masterpiece, showcasing…