The raw, 100% eco-recycled 18k gold which ... This 2.135ct natural Green Montana Sapphire ring boasts an incredibly clean stone with a light hint of a yellow sun spot in the middle and set into ...

The piece features a four-carat, cushion-cut teal sapphire with two cushion-cut diamonds on either side and a white diamond halo. Klum also had a colored-stone ring for her marriage to Seal.

Noonans Mayfair The ring features a principal cabochon stone, or a rounded, polished center gem. In this case, the center stone is a sapphire, and it’s surrounded by two emeralds and two stones ...