The Brotherhood of Diamonds is one of the oldest groups of 2b2t. It was described in Judge Holden’s comic and it also had known activities around spawn, recruiting members there and providing them with diamonds.
The Brotherhood was founded by players known as MasterV, Urue_101, and Flamereaper666. It began when V discovered an abandoned base along the negative X highway. He and his two friends decided to rebuild the base and they found a diary titled "Caveman's Log" within the base, who was assumed to be the original owner. Eventually, the three got the aid of Sleeprocket and an unknown player whose player name had B in it to rebuild the base. After Urue fell into lava in the Nether, MasterV collected his gear but was attacked by an infamous nether killer known as LovesTwoSplodge. Master successfully managed to barely escape Splodge and from then on the group decided to form the brotherhood.
The group had large plans, one of their largest was to fix and terraform spawn. The group, at one point, helped xcc2 and 0XP0 defend their base from a raider group known as the Vikings/Dutch and successfully warded off the attackers.
The Brotherhood eventually made itself more noticed amongst the 2b2t community and was infamous for collecting diamonds, and they gave all new players who came across their spawn bases as many diamonds as they wanted. Because of this, the group became famous among new players and continued to be a remembered group, even today.
The Brotherhood however suffered several base sabotages, making the group disband over time. There is little information about them since all the members left years ago.