Carat Hunter · Diamond retailer comparisons

Adiamor vs Antwerp Diamonds Direct

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

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

At a glance

AdiamorAntwerp Diamonds Direct
Founded1999Not provided
HeadquartersLos Angeles, CAAntwerp, Belgium
Live listings2,086,97940,205
Origin mixLab + NaturalLab + Natural
Cert labs acceptedAGS · GCAL · GIA · IGI · gia · igiGIA · HRD · IGI
Ships toUS · CAWorldwide
Return window30 days14 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.

Adiamor

Origin mix

Lab-grown 88%Natural 12%

Most common shapes

Round 35%·Oval 18%·Pear 10%·Emerald 7%

Antwerp Diamonds Direct

Origin mix

Lab-grown 0%Natural 100%

Most common shapes

Round 39%·Heart 12%·Pear 10%·Oval 10%

Stones stocked by both

We track 34,086 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 Australia? Neither store ships there.
  • Need GIA grading? Both stores carry it.
  • Need IGI grading? Both stores carry it.
  • Need HRD grading? Only Antwerp Diamonds Direct carries it.
  • Adiamor stocks more lab-grown. Antwerp Diamonds Direct stocks more natural.

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.