Carat Hunter · Diamond retailer comparisons

77 Diamonds vs Helzberg Diamonds

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

Data current as of June 3, 2026 · Updated daily. Zero affiliate revenue.

At a glance

77 DiamondsHelzberg Diamonds
Founded20071915
HeadquartersLondon, UKKansas City, MO, United States
Live listings2,661,40752,874
Origin mixLab + NaturalLab + Natural
Cert labs acceptedEGL · GCAL · GIA · HRD · IGI · NONE · OTHER · WISE · giaEGL · GCAL · GIA · HRD · IGI · NONE · NULL
Ships toUK · EU · US · WorldwideUnited States
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 March 7, 2026.

What each store stocks

Inventory composition observed live across each store's listings.

77 Diamonds

Origin mix

Lab-grown 61%Natural 39%

Most common shapes

Round 44%·Oval 14%·Pear 10%·Emerald 8%

Helzberg Diamonds

Origin mix

Lab-grown 84%Natural 16%

Most common shapes

Round 42%·Oval 22%·Pear 9%·Emerald 7%

Stones stocked by both

No live overlap right now

These stores do not currently share any of the same physical diamonds. Their inventories are mostly distinct.

Pick by what you are looking for

  • Need shipping to Canada? 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.
  • 77 Diamonds stocks more lab-grown. Helzberg Diamonds stocks more lab-grown.

Looking for a specific spec?

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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.