Carat Hunter · Diamond retailer comparisons

Adiamor vs Moon Ocean

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

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

At a glance

AdiamorMoon Ocean
Founded19992022
HeadquartersLos Angeles, CALondon, United Kingdom
Live listings2,093,240602,593
Origin mixLab + NaturalLab + Natural
Cert labs acceptedAGS · GCAL · GIA · IGI · gia · igiAGS · EGL · GCAL · GIA · GSI · HRD · IGI · NONE · NULL · None · OTHER · WISE
Ships toUS · CAUK · International
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.

Adiamor

Origin mix

Lab-grown 88%Natural 12%

Most common shapes

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

Moon Ocean

Origin mix

Lab-grown 66%Natural 34%

Most common shapes

Round 37%·Oval 17%·Pear 11%·Cushion 9%

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 New Zealand? Neither store ships there.
  • Need GIA grading? Both stores carry it.
  • Need IGI grading? Both stores carry it.
  • Need HRD grading? Only Moon Ocean carries it.
  • Adiamor stocks more lab-grown. Moon Ocean 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.