Maybe you have noticed, that the cone, as an architectural element, could be found in the most sacred places? For example, in the inner courtyard of the Vatican.
It is believed that the bump symbolizes rebirth, the beginning of a new life.
Rings
Violet
Gold, diamonds, amethyst, hot enamel jewelry. Lost wax casting, champlevé enamel on engraved background, enamel painting, fancy cutting, rhodium plating