Carat Hunter · Diamond retailer comparisons

77 Diamonds vs Brilliant Earth

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 DiamondsBrilliant Earth
Founded20072006
HeadquartersLondon, UKSan Francisco, CA
Live listings2,661,407493,597
Origin mixLab + NaturalLab + Natural
Cert labs acceptedEGL · GCAL · GIA · HRD · IGI · NONE · OTHER · WISE · giaDF · DFC · EGL · GCAL · GIA · GSI · HRD · IGI · SHANE · gia · igi
Ships toUK · EU · US · WorldwideUS · CA · UK · AU
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%

Brilliant Earth

Origin mix

Lab-grown 77%Natural 23%

Most common shapes

Round 30%·Oval 15%·Pear 11%·Emerald 10%

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 European Union? Only 77 Diamonds 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. Brilliant Earth 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.