Speaking of blue...Prince William proposed to Kate Middleton with his late mother's blue sapphire and diamond engagement ring just in time to appear in our 2010 wedding jewelry recap. Those who loved Princess Diana never forgot the design and are excited to see its beauty (and the late princess's memory) live on in what might be the most sentimental heirloom ring ever presented by a groom to his bride. We're expecting to see a surge in the popularity of sapphire engagement rings in 2011—and have already "shopped" for some look-alike options for you to try.
