Carat Hunter · Diamond retailer comparisons

The Diamond Guys vs William & Sons Jewelers

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

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

At a glance

	The Diamond Guys	William & Sons Jewelers
Founded	2005	Not provided
Headquarters	Scottsdale, AZ, United States	San Diego, CA, US
Current listings	204,256	1,347,647
Origin mix	Lab + Natural	Lab + Natural
Cert labs accepted	DF · EGL · GCAL · GIA · HRD · IGI · IGI BE · R&F	AGS · EGL · GCAL · GIA · GSI · HRD · IGI · SGS · UNKNOWN · WISE
Ships to	US	US · CA
Return window	15 days	Final sale: no returns
Terms checked	June 15, 2026	October 19, 2026

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.

The Diamond Guys

Origin mix

Lab-grown 62%Natural 38%

Most common shapes

Round 36%·Oval 19%·Emerald 9%·Pear 8%

William & Sons Jewelers

Origin mix

Lab-grown 70%Natural 30%

Most common shapes

Round 35%·Oval 13%·Pear 10%·Emerald 9%

Stones stocked by both

We track 39,069 diamonds currently listed at both stores.

Most common overlap: Round, 2ct, lab-grown, E VVS2

Explore Round 2ct 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 Australia? 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.
The Diamond Guys 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?

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.