Carat Hunter · Diamond retailer comparisons

Calavera New York vs Carbon Sparkle

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

Data current as of September 14, 2026 · Updated daily. Zero affiliate revenue.

At a glance

	Calavera New York	Carbon Sparkle
Founded	Not provided	Not provided
Headquarters	Austin, TX, US	Winter Haven, FL, US
Live listings	741,989	592,591
Origin mix	Lab + Natural	Lab + Natural
Cert labs accepted	AGS · CGL · EGL · EGL HK · EGL ISRAEL · EGL USA · EGLUSA · GCAL · GIA · GIA-STANDARD · GSI · HRD · IGI · IGI be · NONE · NULL · None · OTHER · R&F · SGL · SGS · UNKNOWN	AGS · CGL · EGL · EGL USA · EGLUSA · GIA · GSI · HRD · IGI · IGI be · NULL · None · OTHER · R&F
Ships to	US · CA · EU · Worldwide	US · CA · UK · EU
Return window	30 days	21 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.

Calavera New York

Origin mix

Lab-grown 20%Natural 80%

Most common shapes

Round 66%·Oval 11%·Pear 8%·Emerald 6%

Carbon Sparkle

Origin mix

Lab-grown 3%Natural 97%

Most common shapes

Round 67%·Oval 13%·Pear 7%·Emerald 7%

Stones stocked by both

We track 347,343 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 Canada? Both stores ship 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 natural. Calavera New York 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.