Metal: Silver, 10K white or yellow gold, 14K white or yellow gold Stones: Simulated gemstones Gallery Height: 3.25mm Personalization: Choose 4 stones with up to 8 characters engraved next to each Choose up to four birthstones. Use the letter key below to represent the months. Selection must be made using capitalized letters: A=January B=February C=March D=April E=May F=June G=July H=August I=September J=October K=November L=December Gemstones may be treated and may require special care. ALL SALES FINAL Metal may be rhodium plated to enhance appearance and reduce tarnishing. Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.