Vintage 1989 Cartier 18k Gold Steel Tubogas Collar Necklace

Elevate your collection with this authentic vintage Cartier Tubogas necklace, crafted in 1989 with the elegance that defines Cartier. Made from 18k yellow gold and stainless steel, this timeless piece weighs 92.8 grams and measures 17 1/4 inches in length. Its tapered design—ranging from 1/2 inch at the clasp to 7/8 inch at the center—offers a bold yet fluid look that sits comfortably on the neckline. Stamped with “Cartier,” “750,” a steel hallmark, and a unique serial number. The necklace comes with its original Cartier box and authenticity paperwork.