Old European Cut Sapphire Engagement Ring, 1.64 CaratsVintage Inspired Teal Sapphire Engagement Ring A vintage inspired teal sapphire engagement ring set with a 1. 64 carat modern old European cut sapphire. The stone has a vivid teal peacock colour and was custom cut with antique inspired proportions. The sapphire is set in Brocktons signature compass point setting, with four prongs placed north, south, east, and west. The setting is designed to allow a wedding band to sit flush against the ring.