This is an 18ct yellow gold Edwardian knot ring. This style means “the knot has been tied”. They were traditionally given as commitment or wedding bands and are as appropriate today as they were in the early 1900s.
Condition: Used (Very Good) Weight: 4.4 grams Ring Size: M (53) Band Width: 6mm (front), 3mm (back) Marked: ’18ct’ ‘SU ld’ Period: Edwardian, Circa. 1900 Box: Plain Gift Box