They will usually ask you to bring in or mail the remaining earring. This is done to ensure the new earring perfectly matches the size, color, and (for diamonds) clarity of your original piece.

Can I replace a lost earring or cuff link? | Tiffany & Co. US

You should reach out to Customer Relations at 800-464-5000 or visit a local Tiffany store .

Estimates for a replacement usually range from 2 to 3 weeks . Alternative: Buying Used Single Earrings