With a lovely design, these blue sapphire and diamond trio stud earrings in 14k gold are a playful choice for day or night. Created in 14k gold each earring glistens with a triangle-shaped trio of 4. 0mm round bright blue sapphires. A single diamond dots the center for a hint of sparkle. Charming with 1/20 ct. T. W. Of diamonds these post earrings secure comfortably with friction backs.