Carat Hunter · Diamond retailer comparisons

Mervis Diamond Importers vs Wholesale Diamonds Direct

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

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

At a glance

Mervis Diamond ImportersWholesale Diamonds Direct
Founded1935Not provided
HeadquartersTysons, VA, United StatesMelbourne, Australia
Live listings38,964158,617
Origin mixLab + NaturalLab + Natural
Cert labs acceptedEGL · GIA · HRD · IGI · IGI be · NULL · None · gia · igiAGS · CGL · DBCL · DBIOD · EGI · EGL · EGL HK · EGL INT · EGL ISRAEL · EGL USA · EGLLA · FAITH · GHI · GIA · GS · HRD · IGI · IGL · LDG · NO-CERT · NONE · NULL · None · OTHER · SHANE · STULLER
Ships toUSAustralia
Return window14 days3 days

Live listings, origin mix and accepted labs are updated daily. Founded, headquarters, shipping and return details are retailer-provided and were last verified March 7, 2026.

What each store stocks

Inventory composition observed live across each store's listings.

Mervis Diamond Importers

Origin mix

Lab-grown 58%Natural 42%

Most common shapes

Round 26%·Oval 18%·Pear 15%·Emerald 10%

Wholesale Diamonds Direct

Origin mix

Lab-grown 1%Natural 99%

Most common shapes

Round 44%·Oval 14%·Pear 10%·Emerald 8%

Stones stocked by both

We track 5,441 diamonds currently listed at both stores.

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 Canada? Neither store ships there.
  • Need GIA grading? Both stores carry it.
  • Need IGI grading? Both stores carry it.
  • Need HRD grading? Both stores carry it.
  • Mervis Diamond Importers stocks more lab-grown. Wholesale Diamonds Direct stocks more natural.

Looking for a specific spec?

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

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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.