Carat Hunter · Diamond retailer comparisons

Calavera New York vs Riddles Jewelry

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

Data current as of October 29, 2026 · Updated daily. Zero affiliate revenue.

At a glance

	Calavera New York	Riddles Jewelry
Founded	Not provided	1959
Headquarters	Austin, TX, US	Rapid City, SD, United States
Current listings	1,094,839	41,295
Origin mix	Lab + Natural	Lab + Natural
Cert labs accepted	AGS · DBGIS · DF · EGL · EGL HK · EGL ISRAEL · EGL USA · EGLUSA · GCAL · GIA · GIA-STANDARD · GSI · HRD · IGI · OTHER · R&F · SGL · SGS · UNKNOWN · WISE	AGS · GCAL · GIA · IGI
Ships to	US · CA · EU · Worldwide	US
Return window	30 days	30 days
Terms checked	September 2, 2026	Not yet verified

Current listings, origin mix and accepted labs are updated daily. Founded, headquarters and shipping come from public sources. Return terms are our summary of each retailer's own policy page, dated per retailer in the table. Retailers change their terms, so check the retailer's own returns and shipping pages before you buy.

What each store stocks

Inventory composition observed across each store's current listings.

Calavera New York

Origin mix

Lab-grown 67%Natural 33%

Most common shapes

Round 40%·Oval 13%·Pear 11%·Emerald 9%

Riddles Jewelry

Origin mix

Lab-grown 69%Natural 31%

Most common shapes

Round 46%·Pear 12%·Oval 11%·Cushion 8%

Stones stocked by both

We track 18,480 diamonds currently listed at both stores.

Most common overlap: Round, 0.5ct, lab-grown, D VVS2

Explore Round 0.5ct D VVS2 cohort

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 Singapore? Only Calavera New York ships there.
Need GIA grading? Both stores carry it.
Need IGI grading? Both stores carry it.
Need HRD grading? Only Calavera New York carries it.
Calavera New York stocks more lab-grown. Riddles Jewelry stocks more lab-grown.

Looking for a specific spec?

Browse every retailer in our index, grouped by shape, carat, colour, and clarity. Thousands of spec pages.

Browse where-to-buy by spec

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?

Listings refresh as we re-read each retailer, most of them every day. Static facts refresh monthly.

How do I find a specific stone at both stores?

Use the GIA or IGI certificate number in our search.