This Cartier ellipse ring is crafted in 18k yellow gold and features a bezel-set blue sapphire at its center. The ring has a sleek rounded band measuring 1/8" in width and weighs 9.4 grams. It is currently a size 6, with the option to be resized. Inside the shank, the ring is stamped Cartier, 750 for 18k gold, 55, a unique serial number, and 1997, marking its year of manufacture. Additional hallmarks include the French eagle head gold assay mark and a maker’s mark, confirming its French origin. The sapphire’s clean, classic setting emphasizes the streamlined ellipse design that Cartier is known for.