Diamond engagement rings are known for reducing the bank balances of would-be spouses, but they’re far less costly than the penalty for selling rings under an infringed trademark.

A federal judge in Manhattan ruled that Costco must cough up more than $19 million for selling rings under the luxury jewelry maker Tiffany’s trademark, which is more than $5 million over the jury award—in profits and punitive damages—in the case handed up last year.