Carat Hunter · Diamond retailer comparisons

Brilliant Earth 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

	Brilliant Earth	Michael Trio
Founded	2005	2013
Headquarters	San Francisco, CA	Singapore
Current listings	1,060,079	652,525
Origin mix	Lab + Natural	Lab + Natural
Cert labs accepted	DF · DFC · GCAL · GIA · HRD · IGI	AGS · EGL · GCAL · GIA · HRD · IGI · R&F · SGS
Ships to	US · CA · UK · AU	Singapore · International
Return window	30 days	14 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.

Brilliant Earth

Origin mix

Lab-grown 82%Natural 18%

Most common shapes

Round 33%·Oval 16%·Pear 11%·Emerald 9%

Michael Trio

Origin mix

Lab-grown 43%Natural 57%

Most common shapes

Round 45%·Oval 12%·Pear 9%·Emerald 9%

Stones stocked by both

We track 167,593 diamonds currently listed at both stores.

Most common overlap: Round, 1.5ct, lab-grown, E VVS2

Explore Round 1.5ct E 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 United Kingdom? 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.
Brilliant Earth 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.