Carat Hunter · Diamond retailer comparisons

Diamond Exchange Canada vs Kay 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

Diamond Exchange CanadaKay Jewelers
Founded20021916
HeadquartersToronto, ON, CanadaAkron, OH, United States
Live listings436,166209,923
Origin mixLab + NaturalLab + Natural
Cert labs acceptedAGS · CGL · EGL · EGL ISRAEL · EGL Israel · EGL USA · EGLUSA · GCAL · GIA · GSI · HRD · IGI · IGI be · NON CERT · NONE · NULL · None · OTHER · WISE · gia · igiAGS · GCAL · GIA · IGI
Ships toCanadaUnited States
Return window14 days30 days

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.

Diamond Exchange Canada

Origin mix

Lab-grown 84%Natural 16%

Most common shapes

Round 33%·Oval 16%·Pear 11%·Marquise 9%

Kay Jewelers

Origin mix

Lab-grown 41%Natural 59%

Most common shapes

Round 31%·Oval 14%·Emerald 11%·Pear 10%

Stones stocked by both

We track 24,054 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? Neither store ships there.
  • Need GIA grading? Both stores carry it.
  • Need IGI grading? Both stores carry it.
  • Need HRD grading? Only Diamond Exchange Canada carries it.
  • Diamond Exchange Canada stocks more lab-grown. Kay Jewelers 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.