Carat Hunter · Diamond retailer comparisons

Aida Diamonds vs Moon Ocean

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

Data current as of October 29, 2026 · Updated daily. Zero affiliate revenue.

At a glance

	Aida Diamonds	Moon Ocean
Founded	Not provided	2022
Headquarters	Sydney, Australia	London, United Kingdom
Current listings	580,946	1,297,780
Origin mix	Lab + Natural	Lab + Natural
Cert labs accepted	GIA · IGI	AGS · DF · EGL · GCAL · GIA · HRD · IGI · OTHER · R&F · SGS · UNKNOWN · WISE
Ships to	Australia	UK · International
Return window	Not provided	30 days
Terms checked	Not yet verified	Not yet verified

Current listings, origin mix and accepted labs are updated daily. Founded, headquarters and shipping come from public sources. Return terms are our summary of each retailer's own policy page, dated per retailer in the table. Retailers change their terms, so check the retailer's own returns and shipping pages before you buy.

What each store stocks

Inventory composition observed across each store's current listings.

Aida Diamonds

Origin mix

Lab-grown 100%Natural 0%

Most common shapes

Round 37%·Oval 13%·Emerald 9%·Cushion 9%

Moon Ocean

Origin mix

Lab-grown 63%Natural 37%

Most common shapes

Round 47%·Oval 14%·Pear 9%·Cushion 7%

Stones stocked by both

We track 297,303 diamonds currently listed at both stores.

Most common overlap: Round, 1ct, lab-grown, D VVS2

Explore Round 1ct D VVS2 cohort

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 Singapore? Only Moon Ocean ships there.
Need GIA grading? Both stores carry it.
Need IGI grading? Both stores carry it.
Need HRD grading? Only Moon Ocean carries it.
Aida Diamonds stocks more natural. 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?

Listings refresh as we re-read each retailer, most of them every day. Static facts refresh monthly.

How do I find a specific stone at both stores?

Use the GIA or IGI certificate number in our search.