After eight episodes The Lord of the Rings: Rings of Power showed the forging of the first jewels. There are twenty of them in total, of which there are already images of the first three. series Prime Video discovered those who can be considered fundamental in history: those who belong to the elves.
In cinematic mythology collected in a trilogy Lord of the Rings D hobbit, these rings (and none other than a single ring) have been explicitly revealed in these reports. The series showed part of the quest, the alchemy process, and the conceptualization behind it. These are the parts through which the various lines of authority can be grouped.
Explanation according to Rings of Power, had to develop three to propitiate the balance. To paraphrase the participants, one piece corrupts, two divides, and three creates a balance between them. That is why the intention to forge only two rings in order to make one more is left aside. In the mythology of the work, each of these gems has a name and certain powers are attributed to it.
Rings of Power this is a new phenomenon that everyone is talking about and not to be missed
All about elven rings
From the link you provided Lord of the Ringsexists:
“Three rings for elven kings under heaven. Seven for the Dwarf Lords in the stone palaces. Nine for mortals doomed to die. One for the Dark Lord, who sits on a dark throne in the Land of Mordor, where the Shadows dwell.
Ring to rule them all. One Ring to find them, one Ring to gather them all and bind them in the darkness of the Land of Mordor, where the Shadows dwell.”