Custom loose diamonds & jewelry · any shape, any size · every stone filmed before you pay

Antique & old cuts

Portuguese Round diamonds

Extra facets, extra flash

A round with additional rows of facets (often 100+), producing a dense, sparkling pattern. Cut to order and very limited in supply.

Carat range
0.1 ct to 10 ct+
Ideal length-to-width
1.00
Facets
100+
Best for
Statement solitaires, collectors
Available as
Natural, lab-grown, genuine antique
Grading
Lab report where graded; grading on request
  • HD video of your exact stone
  • Insured worldwide delivery

Price check a portuguese round

Indicative price range

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Guide only, based on current market ranges for well-cut stones. Your quote depends on the exact stone, cut, fluorescence and grading.

About portuguese round diamonds

What sizes are portuguese round diamonds available in?

We supply portuguese round diamonds from 0.1 ct to 10 ct+, natural or lab-grown, as single stones, matched pairs or sets. Sizes outside that range can often be sourced or cut to order.

What is the ideal ratio for a portuguese round diamond?

Most clients prefer a length-to-width ratio of 1.00. Tell us whether you prefer a slimmer or fuller look and we filter stones to match.

Is a portuguese round available in lab-grown?

Yes. We offer portuguese round diamonds in both natural and lab-grown, each with an independent grading report that states its origin.

What settings suit a portuguese round?

Portuguese Round diamonds are especially popular for statement solitaires, collectors. We design settings around the exact measurements of your stone.

Set it in

Related cuts

Filmed before you payHD video of the exact stone, never a stock photo

Verify it yourselfReport numbers shared before invoicing, where a stone is graded

Everything in writingFull specification and origin on every invoice

Insured door to doorTracked, insured shipping with customs paperwork

Tell us your idea. We'll put stones on the tray.

Any shape, any size — a loose diamond or a finished piece. Send the details or just a photo you love, and a specialist replies with filmed options, usually within one business hour.