For 160 years Petersens Jewellers, New Zealand's oldest jewellery retailer, has been crafting and showcasing the finest diamonds, jewellery and watches. A family owned business since 1863, Petersens offers professional and unparalleled services with microscopic attention to detail. Providers of superior diamonds and diamond rings, wedding rings, watches and jewellery. Petersens is a long trusted jeweller that Canterbury depends on for unique quality jewellery.