Police believe it may have been related to a similar incident at Michael Hill in Rotorua on May 21.
The alleged offenders stole several sterling silver and gold-plated bangles and a white gold diamond set tennis bracelet before fleeing the store, a police spokesman said.
A man and woman stole $26,000 worth of stock from Hart Jewellers in Hamilton CBD, police say. Photo / Google Images
"We are interested in speaking to anyone who may have been in the area at the time and/or witnessed the two suspects arriving at or fleeing the scene."
The police spokesman said anyone who was in the area or saw the offenders should call Hamilton police on 07 858 6200 or contact Crimestoppers anonymously on 0800 555 111.