Carat Hunter · Diamond retailer comparisons

Loose Grown Diamond vs New World Diamonds

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

Data current as of July 30, 2026 · Updated daily. Zero affiliate revenue.

At a glance

Loose Grown DiamondNew World Diamonds
Founded20182018
HeadquartersNew York, NY, United StatesTroy, MI, United States
Live listings1,433,2414,430
Origin mixLab + NaturalLab + Natural
Cert labs acceptedGCAL · GIA · IGI · UNKNOWN · gia · igiEGL · GIA · IGI · IGL · INTENSE
Ships toUSUS · International
Return window30 days30 days

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.

Loose Grown Diamond

Origin mix

Lab-grown 100%Natural 0%

Most common shapes

Round 39%·Oval 14%·Pear 10%·Emerald 8%

New World Diamonds

Origin mix

Lab-grown 100%Natural 0%

Most common shapes

Round 38%·Oval 20%·Radiant 9%·Cushion 9%

Stones stocked by both

We track 2,393 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 United Kingdom? Neither store ships there.
  • Need GIA grading? Both stores carry it.
  • Need IGI grading? Both stores carry it.
  • Loose Grown Diamond stocks more lab-grown. New World Diamonds stocks more lab-grown.

Looking for a specific spec?

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

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.