Red in a variety of the coral shades is in this Summer. According to fashiontrendsetter.com these are the shades that designers will use for this season.
I always loved wearing red jewelry in summer, especially with a white dress, or any other light shade clothing.
I usually don't follow the fashion color trends, but this time it looks like I have a whole jewelry collection currently for sale in my Etsy Shop http://www.cesart64.etsy.com that correlates to this color palette.
Here are some samples: