Planning (or holding out for) a Christmas engagement ... Green Montana Sapphire ring boasts an incredibly clean stone with a light hint of a yellow sun spot in the middle and set into 18k gold.

It's available on yellow, white, and rose gold, and can be customized ... Continuing with the colored-ring trend, sapphire stones in green and blue are a go-to for non-traditional brides.

Although typically rare, colourful engagement rings ... gold, the brilliant jewel features a peppering of floral motifs and ...