Carat Hunter · Diamond retailer comparisons

GS Diamonds vs NZ Jewellers

Side-by-side store comparison. Independent and non-promotional.

Data current as of July 30, 2026 · Updated daily. Zero affiliate revenue.

At a glance

GS DiamondsNZ Jewellers
Founded19862006
HeadquartersSydney, AustraliaAuckland, New Zealand
Live listings68,461338,010
Origin mixLab + NaturalLab + Natural
Cert labs acceptedEGL · GIA · GSI · HRD · IGI · NULLAGS · EGL · EGL USA · GIA · GSI · HRD · IGI · NULL · None · OTHER
Ships toAustralia · InternationalNew Zealand
Return window30 days30 days

Live listings, origin mix and accepted labs are updated daily. Founded, headquarters, shipping and return details are retailer-provided and were last verified June 15, 2026.

What each store stocks

Inventory composition observed live across each store's listings.

GS Diamonds

Origin mix

Lab-grown 4%Natural 96%

Most common shapes

Round 34%·Oval 17%·Emerald 11%·Pear 10%

NZ Jewellers

Origin mix

Lab-grown 12%Natural 88%

Most common shapes

Round 66%·Oval 20%·Emerald 8%·Princess 3%

Stones stocked by both

We track 22,010 diamonds currently listed at both stores.

Each matched stone has its own page where both retailers' prices appear next to the same physical diamond. That is where price comparison happens, on the stone, not on this page.

Pick by what you are looking for

  • Need shipping to United Kingdom? Neither store ships there.
  • Need GIA grading? Both stores carry it.
  • Need IGI grading? Both stores carry it.
  • Need HRD grading? Both stores carry it.
  • NZ Jewellers stocks more lab-grown. GS Diamonds stocks more natural.

Looking for a specific spec?

Browse every retailer in our index, grouped by shape, carat, colour, and clarity. Thousands of live spec pages.

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Questions we get

Does Carat Hunter earn commission from either store?

No. We earn zero affiliate revenue from any retailer in our index.

Why do you not show price comparisons on this page?

Pricing varies per stone, not per store. Click through to any matched diamond above and you'll see both retailers' prices on the exact same physical stone, which is the real comparison.

How fresh is this data?

Live listings refresh daily. Static facts refresh monthly.

How do I find a specific stone at both stores?

Use the GIA or IGI certificate number in our search.