One Promise Ring 18k yellow gold, 1 brillant-cut diamond 0.30 ct | Reference Number 10RG3372

A classic for engagements: The ring One is accentuated by a 0.30 ct solitaire. The secret of its radiance is the refined prong setting that lends opulent light to the diamond from all sides. The highly polished 18k yellow gold gives this piece of jewelry a warm character. A ring that you never want to put away again.