Carat Hunter · Diamond retailer comparisons

Aurelinne vs Michael Trio

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

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

At a glance

AurelinneMichael Trio
Founded20212013
HeadquartersNew York, NYSingapore
Current listings2,139,537653,806
Origin mixLab + NaturalLab + Natural
Cert labs acceptedAGS · CGL · DBGIS · DF · EGL · EGL HK · EGL ISRAEL · EGL USA · EGLUSA · GCAL · GIA · GIA-PREMIUM · GIAL · GSI · HRD · IGI · IGI BE · OTHER · R&F · SGL · SGS · UNKNOWN · WISEAGS · EGL · GCAL · GIA · HRD · IGI · R&F · SGS
Ships toAustralia · WorldwideSingapore · International
Return window30 days14 days
Terms checkedNot yet verifiedNot 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.

Aurelinne

Origin mix

Lab-grown 65%Natural 35%

Most common shapes

Round 47%·Oval 14%·Pear 11%·Emerald 8%

Michael Trio

Origin mix

Lab-grown 43%Natural 57%

Most common shapes

Round 45%·Oval 12%·Pear 10%·Emerald 9%

Stones stocked by both

We track 203,309 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 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.
  • Aurelinne stocks more lab-grown. Michael Trio stocks more natural.

Looking for a specific spec?

Browse every retailer in our index, grouped by shape, carat, colour, and clarity. Thousands of spec pages.

Browse where-to-buy by spec

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.