HeyRua Get the app

Diamond in Irish (Diamant): Meaning, Pronunciation, Usage

‘diamant’ also means: diamond (shape)

The Irish for diamond is diamant, a masculine noun (plural diamaint).
Updated October 2026Report a mistake

How to say “diamond” in Irish

Irish:
diamant
English:
diamond, diamond (shape)
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“JEE-uh-mant”  /ˈdʲiəmˠənˠtˠ/
Various forms
Plural:
diamaint (diamonds)
Genitive singular:
diamaint, an diamaint (e.g. luach an diamaint, the value of the diamond)
Genitive plural:
diamant, na ndiamant (e.g. mianach diamant, a diamond mine)

What does “diamant” mean?

“Diamant” has two alternative meanings. The most common comes first.

diamond
A very hard, clear precious stone made of carbon, used in jewellery and for cutting.Also: gem, precious stone, jewel.
1 other meaning: diamond (shape)
2diamond (shape)
A shape like a square standing on one of its corners; a rhombus.Also: diamond, diamond shape, rhombus, lozenge.

“Diamant” with the article

The plural of diamond in Irish is diamaint. Here is diamant after the article (an t-alt), in the singular and the plural.

an diamant
the diamond
No change after an
na diamaint
the diamonds
Plural: no change after na

“Diamant” in a sentence: Irish examples

Common Irish sentences using diamant, the Irish word for diamond.

Tá diamant ar an bhfáinne sin.
There is a diamond on that ring.
Cheannaigh sé fáinne diamaint di.
He bought her a diamond ring.
Bhí an diamant an-daor ar fad.
The diamond was extremely expensive.
Goideadh na diamaint ón siopa aréir.
The diamonds were stolen from the shop last night.
Chaill sí an diamant as a fáinne.
She lost the diamond from her ring.
Tá diamaint i bhfolach sa bhosca.
There are diamonds hidden in the box.
Tharraing an páiste diamant ar an bpáipéar.
The child drew a diamond on the paper.

Other nouns in Irish

More everyday Irish nouns to learn next.

Diamond in Irish: frequently asked questions

What is the Irish for diamond?

The Irish for diamond is diamant (pronounced “JEE-uh-mant”). It’s a masculine noun and the plural is diamaint. Depending on context it can also mean diamond (shape).

How do you pronounce diamant in Irish?

Diamant is said like “JEE-uh-mant” (IPA /ˈdʲiəmˠənˠtˠ/).

What is the plural of diamond in Irish?

The plural of diamant is diamaint; with the article, na diamaint means “the diamonds”. The genitive plural is diamant, as in mianach diamant (a diamond mine).

Does diamant have more than one meaning?

Yes. Diamant can mean diamond or diamond (shape), depending on context; the first is the most common.

Why does diamant change to dhiamant or ndiamant?

Irish changes the start of some words after certain words. After mo (my) diamant becomes mo dhiamant (lenition), and after ár (our) or i (in) it becomes ár ndiamant (eclipsis).

How do I say 'diamonds' in a deck of cards?

The card suit is usually called 'muileata' in Irish, not 'diamant', though 'diamant' is understood for the gemstone and the shape.

Learn Irish by
actually speaking it

Learn everyday Irish words like diamant through guided conversation with Rua.

7-day free trial. Cancel anytime.

The HeyRua app home screen