Perfect Emerald
An alternative final upgrade to Diamonds, rather than Netherite.
Favors speed over durability.
Comparison with Netherite
Netherite offers knockback resistance and higher durability.
Perfect Emerald offers faster mining speed, faster attack speed, but very low durability.
A Perfect Emerald Pickaxe with Efficiency V can instant-mine stone with Haste I.
Stats
Pickaxe: 500 durability, 16 efficiency
Sword: 400 durability, 5 damage, 2 attack speed (0.5 seconds)
Shovel: 500 durability, 14 efficiency
Axe: 480 durability, 14 efficiency, 7 damage, 1.6 attack speed (0.625 seconds)
Hoe: 200 durability, 14 efficiency
Helmet: 275 durability, 
Chestplate: 400, 
Leggings: 375, 
Boots: 325.
Obtaining
You upgrade diamond tools at a Smithing Table with a Perfect Emerald.
The recipe for 1 Perfect Emerald is 1 Opal Core surrounded by 8 Emerald Blocks, equivalent to 72 Emeralds and 16 Raw Opal Shards.
9 Perfect Emeralds make a Perfect Emerald Block.
Having all four armor pieces equipped and all five tools in your inventory at once grants 
Cover Me In Riches.
Having the pickaxe earns 
Isn't It Emerald Pick. (see Isn't It A Pick)
Partying
Perfect emerald has partying properties.
The Perfect Emerald Coated Amethyst Shard and the Perfect Party Emerald Block 
both emit some funny sound effects when used. (64 possible sound effects)
The Perfect Party Emerald Block is smithed with 1 Perfect Emerald Block and 1 Perfect Emerald.
The block flashes constantly and can be clicked or redstone-powered to activate it.
The /partying command requires no special permissions to use and plays a partying sound.
The *Party* keyboard shortcut also plays a sound.
These last two methods can be disabled with the partyPooper gamerule, as they could get annoying in multiplayer.
Gallery
All* Perfect Emerald items.
