New evidence for the Arkenstone-Silmaril case

[Belegorn]

Originally Posted by Zigûr

don't we have enough evidence to perceive that the Dwarves were sufficiently mighty craftsmen to be able to unearth and shape such a stone themselves? It's not like the Noldor had a monopoly on beautiful and precious things in Arda.

I present to you the Nauglamír.

Originally Posted by Silmarillion; Of the Return of the Noldor

It was a carcanet of gold, and set therein were gems uncounted from Valinor; but it had a power within it so that it rested lightly on its wearer as a strand of flax, and whatsoever neck it clasped it sat always with grace and loveliness.

And it becomes a dwarf/elf combo.

Originally Posted by Of the Ruin of Doriath

the greatest of the works of Elves and Dwarves were brought together and made one; and its beauty was very great, for now the countless jewels of the Nauglamír did reflect and cast abroad in marvelous hues the light of the Silmaril amidmost.

Then Dior wears it and it makes him very fair to behold.

Originally Posted by Of the Ruin of Doriath"

Then Dior arose, and about his neck he clasped the Nauglamír; and now he appeared as the fairest of all the children of the world , of threefold race: of the Edain, and of the Eldar, and of the Maiar of the Blessed Realm.