Princess Diana’s sapphire engagement ring is often praised for its distinctive design. The oval blue sapphire, surrounded by a halo of diamonds and paired with a refined band, creates a recognizable combination of color and shape. Its royal history has also helped make the design especially memorable. If you prefer rings inspired by famous styles, Antiquecut has many options to explore. You can shop engagement rings under $2000 and discover designs that match your preferred stone, setting, and budget.