Carat Hunter · Diamond retailer comparisons

Ritani vs William & Sons Jewelers

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

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

At a glance

RitaniWilliam & Sons Jewelers
Founded1999Not provided
HeadquartersWhite Plains, NY, United StatesUSA
Live listings180,730564,148
Origin mixLab + NaturalLab + Natural
Cert labs acceptedAGSL · GIAAGS · GCAL · GIA · GSI · HRD · IGI
Ships toUS · CANot provided
Return window30 daysNot 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.

Ritani

Origin mix

Lab-grown 0%Natural 100%

Most common shapes

Round 36%·Oval 13%·Pear 11%·Emerald 11%

William & Sons Jewelers

Origin mix

Lab-grown 92%Natural 8%

Most common shapes

Round 38%·Oval 15%·Pear 10%·Emerald 8%

Stones stocked by both

We track 10,493 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 United States? Only Ritani ships there.
  • Need GIA grading? Both stores carry it.
  • Need IGI grading? Only William & Sons Jewelers carries it.
  • Need HRD grading? Only William & Sons Jewelers carries it.
  • William & Sons Jewelers stocks more natural. Ritani stocks more lab-grown.

Looking for a specific spec?

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

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.