Old European Cut Diamond Earrings w/ Ruby Accents Platinum.  These wonderful diamond stud earrings features a .71 carat Old European Cut diamond each and are surrounded by a circle of accent rubies and smaller diamonds. The pattern of rubies and diamonds, which are bezel set with fine milgrain detailing, creates a nice contrast of color. This creative use of accent stones gives a fresh take on a classic look that will be cherished in any collection!