Carat Hunter · Diamond retailer comparisons

Carbon Sparkle vs Diamond Heaven

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

Data current as of September 21, 2026 · Updated daily. Zero affiliate revenue.

At a glance

	Carbon Sparkle	Diamond Heaven
Founded	Not provided	2004
Headquarters	Winter Haven, FL, US	Birmingham, United Kingdom
Live listings	986,424	189,638
Origin mix	Lab + Natural	Lab + Natural
Cert labs accepted	AGS · CGL · DF · EGL · EGL ISRAEL · EGL USA · EGLUSA · GCAL · GIA · GIA-PREMIUM · GIAL · GSI · HRD · IGI · IGI be · NONE · NULL · None · OTHER · R&F · SGL · UNKNOWN · WISE · igi	GIA · HRD · IGI
Ships to	US · CA · UK · EU	UK · Ireland
Return window	21 days	30 days

Live listings, origin mix and accepted labs are updated daily. Founded, headquarters, shipping and return details are retailer-provided and were last verified September 2, 2026.

What each store stocks

Inventory composition observed live across each store's listings.

Carbon Sparkle

Origin mix

Lab-grown 29%Natural 71%

Most common shapes

Round 71%·Oval 10%·Pear 7%·Emerald 5%

Diamond Heaven

Origin mix

Lab-grown 48%Natural 52%

Most common shapes

Asscher 18%·Radiant 11%·Round 11%·Heart 10%

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.
Diamond Heaven stocks more natural. Carbon Sparkle 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.