Carat Hunter · Diamond retailer comparisons

Baunat/BNT Diamonds vs Carbon Sparkle

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

Data current as of September 20, 2026 · Updated daily. Zero affiliate revenue.

At a glance

Baunat/BNT DiamondsCarbon Sparkle
Founded2008Not provided
HeadquartersAntwerp, BelgiumWinter Haven, FL, US
Live listings29,055902,327
Origin mixLab + NaturalLab + Natural
Cert labs acceptedAGS · CGL · EDGL · GIA · HRD · IGI · UNKNOWNAGS · CGL · DF · EGL · EGL USA · EGLUSA · GCAL · GIA · GIAL · GSI · HRD · IGI · IGI be · NONE · NULL · None · OTHER · R&F · SGL · UNKNOWN · WISE · igi
Ships toWorldwideUS · CA · UK · EU
Return window30 days21 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.

Baunat/BNT Diamonds

Origin mix

Lab-grown 0%Natural 100%

Most common shapes

Round 36%·Cushion 13%·Emerald 11%·Pear 10%

Carbon Sparkle

Origin mix

Lab-grown 28%Natural 72%

Most common shapes

Round 74%·Oval 10%·Emerald 6%·Pear 5%

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 Australia? Only Carbon Sparkle ships there.
  • Need GIA grading? Both stores carry it.
  • Need IGI grading? Both stores carry it.
  • Need HRD grading? Both stores carry it.
  • Carbon Sparkle stocks more lab-grown. Baunat/BNT Diamonds stocks more natural.

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.

Baunat/BNT Diamonds vs Carbon Sparkle: Side-by-Side Store Comparison for Australia | Carat Hunter