Rings featuring a knot motif often represent a never ending path and the continuum of life and love. The origins of the love knot have been obscured by the passage of time.
One reference suggests that the configuration points to early Celtic origins; others of Algerian etiology.
Opposites entwine with one side three-dimensional twisted wire and the other plain and polished all in 18k gold from 1894. History aside, the complexity of the complex versus straightforward may symbolize the merging to two thoughts, two personalities, or the yin and yang in all of us.
Makes for a meaningful wedding or engagement ring if desired.