Where are the Halo rings in the new Halo show? - WIN.gg
Halo Array - Halopedia, the Halo wiki
Halo Ring Locations Infographic : r/halo
Mondo Mondo - Halo Ring - Multi Glass | available at LCD
The Halo Ring - Glow Ring by Carbon6
The Classic Prong-Set Halo Engagement Ring - Earth's Treasury
15 Things You Didn't Know About The Halo Rings
In Halo 3, when Truth fires all the Halo rings, there is a destroyed one, that does not light. This would be the Halo ring you destroyed in the first game. :
1.86 CTW DEW Round Forever One Moissanite Cluster Halo Ring in 14K White Gold | Charles & Colvard