The name of this engagement ring style is of Latin origin meaning "little wave". Undina appears in European folklore as fairy-like creatures, this name may be used for a water nymph or water spirit.
Hypnotising flow of art nouveau style is a feature of this engagement ring. Wavy lines are adorned with enlarged milgrain reminiscent water bubbles swirling around the focal gemstone. Flowing stamens and small leaves complete the whole composition.