Carat Hunter · Diamond retailer comparisons

Diamond Quarter vs Rare Carat

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

Data current as of June 4, 2026 · Updated daily. Zero affiliate revenue.

At a glance

Diamond QuarterRare Carat
FoundedNot provided2016
HeadquartersBirmingham, United KingdomNew York, NY
Live listings29,0431,047,238
Origin mixLab + NaturalLab + Natural
Cert labs acceptedEGL · GIA · GSI · HRD · IGI · SHANEDF · EGL · GCAL · GIA · HRD · IGI · NONE · NULL · OTHER · WISE
Ships toUKUS · Worldwide
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 March 7, 2026.

What each store stocks

Inventory composition observed live across each store's listings.

Diamond Quarter

Origin mix

Lab-grown 0%Natural 100%

Most common shapes

Emerald 15%·Pear 15%·Oval 15%·Cushion 11%

Rare Carat

Origin mix

Lab-grown 64%Natural 36%

Most common shapes

Round 36%·Oval 16%·Pear 11%·Emerald 9%

Stones stocked by both

No live overlap right now

These stores do not currently share any of the same physical diamonds. Their inventories are mostly distinct.

Pick by what you are looking for

  • Need shipping to United States? Only Rare Carat ships there.
  • Need GIA grading? Both stores carry it.
  • Need IGI grading? Both stores carry it.
  • Need HRD grading? Both stores carry it.
  • Rare Carat stocks more lab-grown. Diamond Quarter 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.