Carat Hunter · Diamond retailer comparisons

ADC Online 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

ADC OnlineRare Carat
Founded20132016
HeadquartersMelbourne, VICNew York, NY
Live listings125,8511,047,238
Origin mixLab + NaturalLab + Natural
Cert labs acceptedDBGIS · DF · EGL · FAITH · FM · GCAL · GIA · HRD · IGI · NONE · SGS · SHANEDF · EGL · GCAL · GIA · HRD · IGI · NONE · NULL · OTHER · WISE
Ships toAustraliaUS · Worldwide
Return windowNot providedNot 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.

ADC Online

Origin mix

Lab-grown 55%Natural 45%

Most common shapes

Round 44%·Oval 13%·Pear 9%·Marquise 9%

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 Kingdom? 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.
  • ADC Online stocks more natural. Rare Carat 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.