This 18K yellow gold Sophie Bille Brahe Petit Croissant De Lune diamond earring is crafted in Italy with a row of ascending 0.33 carat white diamonds and a hook fastening. It's time to cancel that going-nowhere date and hone in on some me-time. If anything is going to remind us of the joys of being single, it's this charming Sophie Bille Brahe earring.