Circular .15 Diamond Stud Earrings in 14k Yellow Gold.  These circular stud earrings feature .15 carats of diamonds finished in warm 14 karat yellow gold. Six (6) .025 carat diamonds are mounted inside the flat hoop of the stud. The near colorless diamonds have a soft brilliance that accentuate the petite golden hoops. Measuring 13.15mm in diameter, these modern earrings are the perfect balance of glamour and sophistication.