JEWELLED HILT: Belongs to a thing sounding like a seabird’s carpus.
(On Orcrist)
RUBY: Whatever the danger, one man desired this.
(The Man In The Moon)
RING OF AIR: It sounds like a Scottish circle.
(Vilya/Ayr)
BERYL: Note and depend in confusion, for a thing allowed to fall.
(Glorfindel dropped one)
LESSER RINGS: Aragorn calls for them, we hear, without direction.
(Essays in the craft)
ISILDUR'S BANE: A Numenorean’s centaur?
(The One Ring)
NAUGLAMIR: In the present, Macbeth, one might say, changes direction for it.
(The famous necklace)
GARNETS: An Anglo-Saxon spear driven into lacework will produce these.
(In Turgon's crown)
It did start as just BLING. But bling is about excess, and I thought we needed more. And I wanted to get more jewels in.
Like I said, look for the last one in a SONG! You'll find it very close to BERYL. The man referred to in the clue desired both.
Regarding your previous guess, G55, how would you fit the Arkenstone in a JAR?
Oh! You have the last answer, too. Hang on; I'll fetch you the song.
And over to
Galadriel55!