What are some unique vintage engagement rings?

Brilliant Earth and Lang Antique are two websites that provide users with a broad selection of unique vintage engagement rings, such as the Mariette ring and the Stasia ring. The Robbins Brothers website also features a large selection of engagement rings.

The Brilliant Earth website provides users with a broad range of search functions that allow them to look for an engagement ring based on the primary gemstone, the metal for the setting and the design era. The Lang Antiques website features several of the same search functions and even has a price bar that users can adjust to search for rings within a budget.