Carat Hunter · Diamond retailer comparisons

Flawless Fine Jewelry vs MoiMoi Australia

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

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

At a glance

Flawless Fine JewelryMoiMoi Australia
Founded20142004
HeadquartersLondon, United KingdomSydney, Australia
Current listings378,2941,075,488
Origin mixLab + NaturalLab + Natural
Cert labs acceptedGIA · HRD · IGI · OTHERAGS · CGL · EGL · GCAL · GIA · GIA-PREMIUM · HRD · IGI · SHANE · UNKNOWN
Ships toUS · UK · WorldwideAustralia · International
Return window30 days14 days
Terms checkedJune 15, 2026Not 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.

Flawless Fine Jewelry

Origin mix

Lab-grown 54%Natural 46%

Most common shapes

Round 26%·Oval 17%·Emerald 13%·Pear 13%

MoiMoi Australia

Origin mix

Lab-grown 55%Natural 45%

Most common shapes

Round 35%·Oval 12%·Pear 11%·Emerald 9%

Stones stocked by both

No 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 Ireland? Both stores ship there.
  • Need GIA grading? Both stores carry it.
  • Need IGI grading? Both stores carry it.
  • Need HRD grading? Both stores carry it.
  • Flawless Fine Jewelry stocks more natural. MoiMoi Australia 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.