Carat Hunter · Diamond retailer comparisons

Wholesale Diamonds Direct vs William & Sons Jewelers

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

Data current as of September 14, 2026 · Updated daily. Zero affiliate revenue.

At a glance

	Wholesale Diamonds Direct	William & Sons Jewelers
Founded	Not provided	Not provided
Headquarters	Melbourne, Australia	San Diego, CA, US
Live listings	272,774	685,874
Origin mix	Lab + Natural	Lab + Natural
Cert labs accepted	- · AGS · CGL · DBCL · EGL · EGL HK · EGL INT · EGL USA · EGLLA · FAITH · GCAL · GIA · GIA-LG · GS · HRD · IGI · IGL · LDG · NO-CERT · NONE · NULL · None · OTHER · SHANE · STULLER · gia · igi	AGS · GCAL · GIA · GSI · HRD · IGI · NONE · WISE · gia · igi
Ships to	Australia	US · CA
Return window	3 days	Not provided

Live listings, origin mix and accepted labs are updated daily. Founded, headquarters, shipping and return details are retailer-provided and were last verified June 15, 2026.

What each store stocks

Inventory composition observed live across each store's listings.

Wholesale Diamonds Direct

Origin mix

Lab-grown 59%Natural 41%

Most common shapes

Round 41%·Oval 15%·Pear 9%·Emerald 7%

William & Sons Jewelers

Origin mix

Lab-grown 86%Natural 14%

Most common shapes

Round 37%·Oval 15%·Pear 11%·Emerald 7%

Stones stocked by both

We track 57,063 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 Hong Kong? 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.
Wholesale Diamonds Direct stocks more natural. William & Sons Jewelers 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?

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.