Diablo 3 Gem Craft Guide

 

Welcome to the comprehensive Diablo 3 Gem Craft Guide.  We’ll look at the basics of gemcrafting, leveling the jeweler and how to super-charge your D3 domination.  Big thanks to Markco and the Diablo 3 Gold Secrets Forum for brainstorming some of this awesome content.  If you’re not a member of our forums yet, I do hope you join as I cannot post some of the juicy member-only content here.

 

 

Table of Contents

The Basics

  1. Gem Mechanics in Diablo 3
  2. Types of Gems
  3. Leveling your Artisan Jeweler
  4. Costs for Combining Gems

Advanced Topics

  1. Gem Value on the Auction House
  2. Big Gold Strategies for Gem Flipping
  3. RMAH Strategies

Gem Mechanics in Diablo 3

 

Gems can be inserted into weapons and armor to increase certain stats based on the gem color.

  • There will be 14 levels of gems in the game, but level 8 is the highest dropped gem in the game, the higher levels have to be crafted.
  • Jeweler can combine 3 identical gems into the next level gem for a fee, and only up to level 10 initially after which you will need to find recipes for each of the gems.
  • There are no level restriction for a gem making it perfect twink item (meaning you can give it to a lower level character to give an advantage he normally wouldn’t have)
  • Gems can be taken out of weapons and armor and reused.  The only time they are “destroyed” is when they are used to make a higher level gem.

Types of Gems

 

There are four types of gems in diablo 3.  Shown below are the top level gems of each type.  Mouse over the gems to see the full description.

Topaz

Radiant Star Topaz Gem from Diablo 3

  • Helm: 31% Better Chance of Finding Magical Items
  • Weapon: Melee attackers take 1800 damage per hit.
  • Other: +58 Intelligence

Amethyst

Radiant Star Amethyst Gem

  • Helm: +18% Life
  • Weapon: Each Hit Adds +600 Life
  • Other: +58 Vitality

 

Emerald

Radiant Star Emerald Gem from Diablo 3

  • Helm: +31% Extra Gold from Monsters
  • Weapon: Critical Hit Damage Increased by 100%
  • Other: +58 Dexterity

 

Ruby

Radiant Star Ruby Gem D3

  • Helm: Increases Experience Rewarded per Kill by 31%
  • Weapon: +20 Minimum Damage, +20 Maximum Damage
  • Other: +58 Strength

Full List of Gem Properties

All gems and their bonuses, with game data pulled directly via the Database database.  Big thanks to diablowiki.net for the info!

 

 

Icon Name Item Level Required Level Description Flavor Other Type Slot
Chipped Ruby 14 0
  • Helm: Increases Bonus Experience by 5%
  • Other: +6 Strength
  • Weapon: +2-4 Damage
Gem
Chipped Topaz 14 0
  • Helm: 5% Better Chance of Finding Magical Items
  • Other: +6 Intelligence
  • Weapon: Melee attackers take 2 damage per hit.
Gem
Chipped Emerald 14 0
  • Helm: +5% Extra Gold from Monsters
  • Other: +6 Dexterity
  • Weapon: Critical Hit Damage Increased by 10%
Gem
Chipped Amethyst 14 0
  • Helm: +5% Life
  • Other: +6 Vitality
  • Weapon: Each Hit Adds +2 Life
Gem
Flawed Ruby 22 0
  • Helm: Increases Bonus Experience by 7%
  • Other: +10 Strength
  • Weapon: +4-8 Damage
Gem
Flawed Topaz 22 0
  • Helm: 7% Better Chance of Finding Magical Items
  • Other: +10 Intelligence
  • Weapon: Melee attackers take 3 damage per hit.
Gem
Flawed Emerald 22 0
  • Helm: +7% Extra Gold from Monsters
  • Other: +10 Dexterity
  • Weapon: Critical Hit Damage Increased by 15%
Gem
Flawed Amethyst 22 0
  • Helm: +6% Life
  • Other: +10 Vitality
  • Weapon: Each Hit Adds +3 Life
Gem
Ruby 30 0
  • Helm: Increases Bonus Experience by 9%
  • Other: +14 Strength
  • Weapon: +8-16 Damage
Gem
Topaz 30 0
  • Helm: 9% Better Chance of Finding Magical Items
  • Other: +14 Intelligence
  • Weapon: Melee attackers take 6 damage per hit.
Gem
Emerald 30 0
  • Helm: +9% Extra Gold from Monsters
  • Other: +14 Dexterity
  • Weapon: Critical Hit Damage Increased by 20%
Gem
Amethyst 30 0
  • Helm: +7% Life
  • Other: +14 Vitality
  • Weapon: Each Hit Adds +6 Life
Gem
Flawless Ruby 36 0
  • Helm: Increases Bonus Experience by 11%
  • Other: +18 Strength
  • Weapon: +10-20 Damage
Gem
Flawless Topaz 36 0
  • Helm: 11% Better Chance of Finding Magical Items
  • Other: +18 Intelligence
  • Weapon: Melee attackers take 10 damage per hit.
Gem
Flawless Emerald 36 0
  • Helm: +11% Extra Gold from Monsters
  • Other: +18 Dexterity
  • Weapon: Critical Hit Damage Increased by 25%
Gem
Flawless Amethyst 36 0
  • Helm: +8% Life
  • Other: +18 Vitality
  • Weapon: Each Hit Adds +10 Life
Gem
Perfect Ruby 42 0
  • Helm: Increases Bonus Experience by 13%
  • Other: +22 Strength
  • Weapon: +11-22 Damage
Gem
Perfect Topaz 42 0
  • Helm: 13% Better Chance of Finding Magical Items
  • Other: +22 Intelligence
  • Weapon: Melee attackers take 15 damage per hit.
Gem
Perfect Emerald 42 0
  • Helm: +13% Extra Gold from Monsters
  • Other: +22 Dexterity
  • Weapon: Critical Hit Damage Increased by 30%
Gem
Perfect Amethyst 42 0
  • Helm: +9% Life
  • Other: +22 Vitality
  • Weapon: Each Hit Adds +15 Life
Gem
Radiant Ruby 48 0
  • Helm: Increases Bonus Experience by 15%
  • Other: +26 Strength
  • Weapon: +12-24 Damage
Gem
Radiant Topaz 48 0
  • Helm: 15% Better Chance of Finding Magical Items
  • Other: +26 Intelligence
  • Weapon: Melee attackers take 30 damage per hit.
Gem
Radiant Emerald 48 0
  • Helm: +15% Extra Gold from Monsters
  • Other: +26 Dexterity
  • Weapon: Critical Hit Damage Increased by 35%
Gem
Radiant Amethyst 48 0
  • Helm: +10% Life
  • Other: +26 Vitality
  • Weapon: Each Hit Adds +25 Life
Gem
Square Ruby 54 0
  • Helm: Increases Bonus Experience by 17%
  • Other: +30 Strength
  • Weapon: +13-26 Damage
Gem
Square Topaz 54 0
  • Helm: 17% Better Chance of Finding Magical Items
  • Other: +30 Intelligence
  • Weapon: Melee attackers take 50 damage per hit.
Gem
Square Emerald 54 0
  • Helm: +17% Extra Gold from Monsters
  • Other: +30 Dexterity
  • Weapon: Critical Hit Damage Increased by 40%
Gem
Square Amethyst 54 0
  • Helm: +11% Life
  • Other: +30 Vitality
  • Weapon: Each Hit Adds +35 Life
Gem
Flawless Square Ruby 60 0
  • Helm: Increases Bonus Experience by 19%
  • Other: +34 Strength
  • Weapon: +14-28 Damage
Gem
Flawless Square Topaz 60 0
  • Helm: 19% Better Chance of Finding Magical Items
  • Other: +34 Intelligence
  • Weapon: Melee attackers take 100 damage per hit.
Gem
Flawless Square Emerald 60 0
  • Helm: +19% Extra Gold from Monsters
  • Other: +34 Dexterity
  • Weapon: Critical Hit Damage Increased by 45%
Gem
Flawless Square Amethyst 60 0
  • Helm: +12% Life
  • Other: +34 Vitality
  • Weapon: Each Hit Adds +65 Life
Gem
Perfect Square Ruby 61 0
  • Helm: Increases Bonus Experience by 21%
  • Other: +38 Strength
  • Weapon: +15-30 Damage
Gem
Perfect Square Topaz 61 0
  • Helm: 21% Better Chance of Finding Magical Items
  • Other: +38 Intelligence
  • Weapon: Melee attackers take 200 damage per hit.
Gem
Perfect Square Emerald 61 0
  • Helm: +21% Extra Gold from Monsters
  • Other: +38 Dexterity
  • Weapon: Critical Hit Damage Increased by 50%
Gem
Perfect Square Amethyst 61 0
  • Helm: +13% Life
  • Other: +38 Vitality
  • Weapon: Each Hit Adds +105 Life
Gem
Radiant Square Ruby 62 0
  • Helm: Increases Bonus Experience by 23%
  • Other: +42 Strength
  • Weapon: +16-32 Damage
Gem
Radiant Square Topaz 62 0
  • Helm: 23% Better Chance of Finding Magical Items
  • Other: +42 Intelligence
  • Weapon: Melee attackers take 350 damage per hit.
Gem
Radiant Square Emerald 62 0
  • Helm: +23% Extra Gold from Monsters
  • Other: +42 Dexterity
  • Weapon: Critical Hit Damage Increased by 60%
Gem
Radiant Square Amethyst 62 0
  • Helm: +14% Life
  • Other: +42 Vitality
  • Weapon: Each Hit Adds +190 Life
Gem
Star Ruby 63 0
  • Helm: Increases Bonus Experience by 25%
  • Other: +46 Strength
  • Weapon: +17-34 Damage
Gem
Star Topaz 63 0
  • Helm: 25% Better Chance of Finding Magical Items
  • Other: +46 Intelligence
  • Weapon: Melee attackers take 600 damage per hit.
Gem
Star Emerald 63 0
  • Helm: +25% Extra Gold from Monsters
  • Other: +46 Dexterity
  • Weapon: Critical Hit Damage Increased by 70%
Gem
Star Amethyst 63 0
  • Helm: +15% Life
  • Other: +46 Vitality
  • Weapon: Each Hit Adds +300 Life
Gem
Flawless Star Ruby 64 0
  • Helm: Increases Bonus Experience by 27%
  • Other: +50 Strength
  • Weapon: +18-36 Damage
Gem
Flawless Star Topaz 64 0
  • Helm: 27% Better Chance of Finding Magical Items
  • Other: +50 Intelligence
  • Weapon: Melee attackers take 900 damage per hit.
Gem
Flawless Star Emerald 64 0
  • Helm: +27% Extra Gold from Monsters
  • Other: +50 Dexterity
  • Weapon: Critical Hit Damage Increased by 80%
Gem
Flawless Star Amethyst 64 0
  • Helm: +16% Life
  • Other: +50 Vitality
  • Weapon: Each Hit Adds +400 Life
Gem
Perfect Star Ruby 65 0
  • Helm: Increases Bonus Experience by 29%
  • Other: +54 Strength
  • Weapon: +19-38 Damage
Gem
Perfect Star Topaz 65 0
  • Helm: 29% Better Chance of Finding Magical Items
  • Other: +54 Intelligence
  • Weapon: Melee attackers take 1250 damage per hit.
Gem
Perfect Star Emerald 65 0
  • Helm: +29% Extra Gold from Monsters
  • Other: +54 Dexterity
  • Weapon: Critical Hit Damage Increased by 90%
Gem
Perfect Star Amethyst 65 0
  • Helm: +17% Life
  • Other: +54 Vitality
  • Weapon: Each Hit Adds +500 Life
Gem
Radiant Star Ruby 66 0
  • Helm: Increases Bonus Experience by 31%
  • Other: +58 Strength
  • Weapon: +20-40 Damage
Gem
Radiant Star Topaz 66 0
  • Helm: 31% Better Chance of Finding Magical Items
  • Other: +58 Intelligence
  • Weapon: Melee attackers take 1800 damage per hit.
Gem
Radiant Star Emerald 66 0
  • Helm: +31% Extra Gold from Monsters
  • Other: +58 Dexterity
  • Weapon: Critical Hit Damage Increased by 100%
Gem
Radiant Star Amethyst 66 0
  • Helm: +18% Life
  • Other: +58 Vitality
  • Weapon: Each Hit Adds +600 Life
Gem

Leveling Your Artisan Jeweler

After you find the Jeweler, Covetous Shen, and heroically free him from the barrel in which he is trapped, he will be able to combine gems and take out gems from socketed items.  The Jeweler starts as an Apprentice and becomes “Exalted” at the 10th and final level.Leveling Shen all the way to max level will be a massive resource drain, so be ready for it.  Let’s take a look at whats required to level him:

The pages and Tomes only drop in certain difficulty levels, but you can always pick them up on the AH if you need them. Costs For Combining Gemschipped: N/A
flawed: 500
normal: 750
flawless: 1250
perfect: 2000 + 1 Pages of Jewelcrafting (hover over link to see detailed info)
radiant: 3500 + 2x Pages of Jewelcrafting
square: 7500 + 1x Tome of Jewelcrafting
flawless square: 20k + Tome of Jewelcrafting
perfect square: 30k + 3x Tome of Secrets
radiant square: 50k + 6x Tome of Secrets
star: 80k + 9x Tome of Secrets
flawless star: 100k + 12x Tome of Secrets
perfect star: 200k + 15x Tome of Secrets
radiant star: 400k + 20x Tome of SecretsWhat this means: If you farm up 729 level 8 gems and had all the recipes needed to convert them to level 14, you would still need about 10 million gold to get one level 14 gem (currently the price of Tome of Secrets is around 3200 gold).  This will likely make high level gems a hot commodity on the RMAH.Gem Value on the Auction House All gems are not created equal, some are more in demand at a particular time, but might be less wanted as players progress.  While players are leveling this is the approximate demand and value that players place on the gems, starting from the most valuable, to the least.

  • Ruby
  • Topaz
  • Emerald
  • Amethyst

Once players get to around level 55, and especially when they start hitting Inferno, the value and demand for gems changes.  Here is the ranking of gems at the higher levels in the game:

  1. Amethyst (Major hp boost and +life on hit)
  2. Emerald (Dexterity and +gold find)
  3. Topaz
  4. Ruby

Rubies are amazing for socketing weapons, as this will skyrocket the DPS that the weapon displays.  It’s important to note that +20 damage on a Ruby does not mean +20 damage to the weapon.  The added damage gets re-calculated into the seed of the weapon, greatly increasing it’s DPS.  If you find a cheap high level socketed weapon, with high DPS, simply plug in a high level Ruby in it and you can sell it for 10x the price.  The Ruby’s added damage should place the weapon into the top tier of DPS for that level or you may have trouble selling it.Worst thing that you could do is to try and make profit by combining any gems prior to level 8.  The price of the next tier of gems is usually less than three times that of the first, so you’re losing money before even considering AH and Jeweler fee’s.  Currently, combining gems is a waste of resources, at least up to gem level 8.

Big Gold Strategies for Gems

 

 

“Should I Sell Gems in Gear?”
Seriously, don’t put gems in your gear to make them “sell better.” Since patch 1.0.4, none of your gems actually contribute to stats on items. Even in helms they don’t count! So if you have good gems, pop them out and sell separately from the items. On super rare occasions you’ll see a gem worth more than the item it’s stuck in. Just salvage the item if you want and the gem will pop out for you to collect.

RMAH Strategies

 

This method is not going to always work. In fact, it fluctuates and is time consuming. But when it does work, it feels like you are printing dollar bills. What’s going on here is you are buying gems on the RMAH, selling the gems for gold on the GAH, and then selling the gold on the RMAH for a profit!  It’s usually not a big profit, but still a guaranteed chunk of dollars injected into your battle.net balance!  A good use of two slots if I do say so myself!
Y = Gem’s RMAH Price
X = Gem’s GAH Price
Profit = (((X * .85) rounded down to nearest 1,000,000)/1,000,000) * (Price of Gold) * .85) – Y
Plug in X and Y, then do the math to see what you’ll make! You can use this strategy for almost anything!

HINT: Red gems are the most expensive but not necessarily the highest profit margin. Also try this method for Perfect Squares all the way up to Radiant Stars.
I would like to also draw your attention to arbitrage between currencies. A great example is London. Players there are known for buying items on the euro RMAH and selling them for more on the pound RMAH. Look for these opportunities if you have multiple RMAH’s to choose from! Not just commodities, but gear and weapons as well.

 

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