"Heart with a Blue Stone" 18k Gold on 925 Sterling Silver Charm Bead for Pandora, Biagi, Chamilia, Troll and More Bracelets general gifts. $12.99. Suitable for 3mm Cable Pandora and other European Charm Bracelets. Quantity: 1pc. 18K gold plated 925 Sterling Silver. Hole Size: 4.5mm. Color: Silver with 18K gold. Save 78%!