The deep dazzling color of blue sapphires compliment diamonds perhaps better than any other gem. With more than 50% of the world claiming blue as their favorite color, this gem has a leg up on all other gemstones. But you don't have to think of blue as your favorite color to spot this gem as lovely and enticing. Browse our sapphire and diamond necklace selection and you to will recognize how well these two gems compliment one another.