Carat Hunter · Diamond retailer comparisons

Queensmith 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

QueensmithWilliam & Sons Jewelers
Founded2016Not provided
HeadquartersLondon, United KingdomSan Diego, CA, US
Current listings55,0301,357,612
Origin mixLab + NaturalLab + Natural
Cert labs acceptedGIA · HRD · IGI · SGSAGS · EGL · GCAL · GIA · GSI · HRD · IGI · SGS · UNKNOWN · WISE
Ships toUK · InternationalUS · CA
Return window40 daysFinal sale: no returns
Terms checkedNot yet verifiedOctober 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.

Queensmith

Origin mix

Lab-grown 63%Natural 37%

Most common shapes

Round 45%·Oval 14%·Pear 9%·Cushion 7%

William & Sons Jewelers

Origin mix

Lab-grown 71%Natural 29%

Most common shapes

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

Stones stocked by both

We track 36,786 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 Singapore? Only Queensmith ships there.
  • Need GIA grading? Both stores carry it.
  • Need IGI grading? Both stores carry it.
  • Need HRD grading? Both stores carry it.
  • Queensmith stocks more natural. William & Sons Jewelers stocks more lab-grown.

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.