14k White Gold, Plain Round Hollow 2mm Square Tube Circular Hoop Earring 25mm Inside Diameter Snap Down Clasp GiveMeGold. $305.98. Genuine 14k gold. NOT filled or plated.. A gift box is included with purchase.. Modern square hollow tube construction is stylish and timeless.. Simple in design, it goes well with any attire or occasion from casual to dressy.. No fuss and easy to use clasp makes it simple to wear.