14K Yellow Gold Pearl Enhancer Great for Enhancing Pearls & Beads. This is a new 14 karat yellow gold pearl enhancer. Great for enhancing pearls and beads. Has a lock with a hinge that opens and closes with ease. It has a closed loop on the bottom so you can dangle a pearl, charm or any gemstone. It is stamped 14k. It measures approximately 10 x 5 mm (3/8" x 3/16").