Hello there! I would be most grateful if someone could translate this for me:

Thanks for all your help! I will be ordering one (A Fáinne) soon!

Thank you!
Ciara

Addressed to one person? or to two or more people?

If singular:

Go raibh maith agat as ucht an chúnaimh uilig a thug tú dom. Beidh mé ag iarraidh ar cheann Ordóidh mé ceann go luath.

If plural

Go raibh maith agaibh as ucht an chúnaimh uilig a thug sibh dom. Beidh mé ag iarraidh ar cheann Ordóidh mé ceann go luath.

Wait for confirmation or correction ...

(Edited to correct a phrase.)

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Múinteoir Gaeilge - Irish Teacher
My "specialty" is Connemara Irish, particularly Cois Fhairrge dialect, but I can also speak Ulster and Munster Irish with native-level pronunciation.
Is fearr Gaeilge ḃriste ná Béarla cliste, cinnte, aċ i ḃfad níos fearr aríst í Gaeilge ḃinn ḃeo na nGaeltaċtaí.
Gaeilge Chonnacht (GC), go háraid Gaeilge Chois Fhairrge (GCF), Gaeilic Uladh (GU), Gaelainn na Mumhan (GM), agus Gaeilge an Chaighdeáin Oifigiúil (CO).

Go raibh mile maith agat Breandán!!!!!!!

"Ordaigh" seems to be the verb generally used for order", so I'd say "Beidh mé ag ordú cinn..."

Breandan, are you sure about "ag iarraidh ar cheann"? I could go with "ag iarraidh cinn oraibh"

I'd say:
Go rabh maith agaibh ar son mur gcuidithe! Ordóchaidh mé cionn roimh i bhfad!

"beidh mé ag ordú" sounds English to me. "Ordóidh mé" (Ulster ordóchaidh mé) is enough.

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Is fearr Gaeilg na Gaeltaċta ná Gaeilg ar biṫ eile
Agus is í Gaeilg Ġaoṫ Doḃair is binne

Agreed.

Thanks 'Errigal' and 'Lughaidh' for all your help! I owe you's one!!

I was sure until I rechecked it. De Bhaldraithe has ordaím and iarraim in the commercial sense of "to order" but I ran iarraim together with the focal a chur ar chulaith éadaigh on the next line and ended up with a mixed up idiom. Ordóigh mé was my first thought anyway (but it felt like _that_ was Béarlachas.)

Incorporating Lughaidh's simplification of the first part:

Singular:

Go raibh maith agat as ucht do chúnaimh. Ordóidh mé ceann go luath.

If plural

Go raibh maith agaibh as ucht bhur† gcúnaimh. Ordóidh mé ceann go luath.

Unless I've missed something.

†Bhur is just pronounced a in Connemara).

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Múinteoir Gaeilge - Irish Teacher
My "specialty" is Connemara Irish, particularly Cois Fhairrge dialect, but I can also speak Ulster and Munster Irish with native-level pronunciation.
Is fearr Gaeilge ḃriste ná Béarla cliste, cinnte, aċ i ḃfad níos fearr aríst í Gaeilge ḃinn ḃeo na nGaeltaċtaí.
Gaeilge Chonnacht (GC), go háraid Gaeilge Chois Fhairrge (GCF), Gaeilic Uladh (GU), Gaelainn na Mumhan (GM), agus Gaeilge an Chaighdeáin Oifigiúil (CO).

Using beidh mé ag+ verbal noun doesn't look common in native Irish (I searched it in Tobar na Gaedhilge, there was a few sentences but really few actually: 9 occurrences, in a corpus of 57 books in Ulster Irish...).
It would mean "I will be (doing)" and I don't think it can replace the normal future at all, they don't mean the same thing. In English I don't feel any difference between "I'll be ordering" in your sentence and simply "I will order", because in "I'll be ordering" I don't feel any continuous aspect... In Irish, the ag+ verbal noun form has a continuous aspect, and the continuous aspect in the future isn't common in Irish, I think (you'd use it in contexts like "I will be doing that when you come in" etc, or also with the verbs that can't normally be conjugated: beidh mé ag caint, beidh mé ag damhsa, etc).

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Is fearr Gaeilg na Gaeltaċta ná Gaeilg ar biṫ eile
Agus is í Gaeilg Ġaoṫ Doḃair is binne

_________________
Múinteoir Gaeilge - Irish Teacher
My "specialty" is Connemara Irish, particularly Cois Fhairrge dialect, but I can also speak Ulster and Munster Irish with native-level pronunciation.
Is fearr Gaeilge ḃriste ná Béarla cliste, cinnte, aċ i ḃfad níos fearr aríst í Gaeilge ḃinn ḃeo na nGaeltaċtaí.
Gaeilge Chonnacht (GC), go háraid Gaeilge Chois Fhairrge (GCF), Gaeilic Uladh (GU), Gaelainn na Mumhan (GM), agus Gaeilge an Chaighdeáin Oifigiúil (CO).