Bezel Set Blue Topaz Stud Earrings in 14k Yellow Gold. These blue topaz stud earrings in 14 karat yellow gold will take your breath away! Two (2) 1.30 carat blue topazes are securely set in yellow gold bezels. The stones have a vibrant, sky blue hue. A perfect gift for any occasion, these studs will leave a lasting impression with their unique and beautiful blue color!