Wear your majestic birthstone in a sophisticated style with these oval-shaped blue topaz and diamond drop earrings in yellow gold. Fashioned in warm 10k gold each drop glistens with a 7. 0 x 5. 0mm oval-shaped swiss blue topaz. A single diamond tops the look with a hint of sparkle. Blue topaz is the traditional birthstone for december and is said to bring the wearer wisdom and understanding. These 1/20 ct. T. W. Diamond earrings secure with lever backs.