Star Gems (SG) are a form of currency that sits between N-Meseta and ARKS Cash (AC) as a Freemium-type currency that can be gained from playing the game, through various campaigns, but can also be purchased with the use of AC.
SG can be used to purchase and rent a wide variety of items and features, be used through various SG Scratch Tickets and more.
SG is shared between both Phantasy Star Online 2: New Genesis (NGS) and Phantasy Star Online 2 (PSO2).

Recommended Weekly/Monthly SG

A list of the general go-to methods of Weekly and Monthly SG incomes. denotes Premium as a requirement. For further details as well as more methods beyond these, check sections down below.

Method	Weekly Total	Monthly Total
Daily Login Bonus	Up to 30 ( 60 )	120 ( 240 )
Daily Lookbook Likes/GP Tree Kudos	Up to 35 ( 70 )	150 ( 300 )
PSO2 Day Login Gifts	-	50 ( 100 )
PSO2 Day Tasks	-	40
Alliance Badge Exchange	30	120
ARKS Records Badge Exchange	30	120
N-EX-Cube Recycle	50	200
Weekly "Complete Daily Tasks" Tasks	10	40
Sunday/Monday Tasks	10	40
Suppess Dark Falz Solus	20	80
Casino Coin Exchange	40	160
Buster Medal Exchange	100	400
Overall	355 ( 420 )	1520 ( 1840 )

Details on acquiring SG

Free methods of aquisition

The primary way to acquire SG is through the various free ways, some of which can only be done once, while some are repeatable on a daily, weekly or monthly basis.

One-Time Methods

Method	SG Amount	Notes
Item Container: Red	10 - 25	Not every Red Container contains SG but the ones that do either contain 10 SG if its a regular container, or 25 SG if its a protected container
NGS Titles	5 - 20	Almost every single Title in NGS awards a small amount of SG along with title names, as well as other various items
Duel Quest First-Time Clears	50 - 100	Phase 1 Duel Quests give 50 SG for the First-Time Clear of each Phases 2 to 4 give 100 SG on each First-Time Clear
PSO2 Story Quests & Titles	10 - 500	Certain story quests and titles in PSO2 gives SG Tickets of varying amounts

Repeatable

Method	SG Amount	Frequency	Notes
Login Bonus (Normal)	10 - 20 ( 20 - 40 )	Daily	Login Bonus SG is given out during the 3rd day, 7th day, 10th day and 14th day and operates on a 14-day loop
Sending Lookbook Likes Giving Kudos from GP Tree	1 ( 2 )	Daily	Can be done up to 5 times a day for a total of 5 SG ( 10 SG)
Weekly "Complete Daily Tasks" Tasks	5	Weekly	Split into 2 Tasks, each giving 5 SG for a total of 10 SG
Suppress Dark Falz Solus	20	Weekly	Weekly reward given upon clearing Sign of the Planetbreaker (Rank 2)
ARKS Record Badge Exchange	5-10	Weekly	Exchange comes in 2 sets of 5 and 10 SG at the cost of 10 ARKS Record Badges per exchange for a total of 30 SG
Alliance Badge Exchange	5-10	Weekly	Exchange comes in 2 sets of 5 and 10 SG at the cost of 1 Alliance Badge per exchange for a total of 30 SG
N-EX Cube Recycle	10	Weekly	Recycle 10 N-EX-Cubes for 10 SG, up to 5 times a week
PSO2 Day Login Gifts	50 ( 100 )	Every 1st of the Month (Every 21st of the Month)	Log in to an NGS Block during PSO2 Day
PSO2 Day Tasks	20	Every 1st & 21st of the Month	Complete the Limited-Time PSO2 Day Tasks, each giving 2 to 4 SG per Task
Special Scratch	10 - 100	Player-Dependent	The Special Scratch includes prizes for 10, 20 and 100 SG and can be pulled for using Special Scratch Tickets as well as Special Select Tickets
Seasonal Point Exchange Shop	20	During Seasonal Events	The Seasonal Point Exchange Shop includes an exchange for SG, normally having 100 SG per part of an event, to a max of 200 to 300 SG depending on Event length
World Trial: Stellar Grace Recovery Operation	5	During World Trials	Each Stellar Grace gives 5 SG when collected 30 Stellar Graces can be collected per World Trial for a total of 150 SG
Campaigns, Limited-Time Tasks, Events, Compensations, Etc.	Indefinite	-
Outfit Affinity	10	Once per Outfit/Outerwear	10 SG can be claimed from PSO2-Spec Outfits/Outerwear after having been worn for a total of 22 hours The 22 hours do not have to be in one sitting and they can be put on characters you're currently not playing to work on several Outfits/Outerwear at once
Casino Coin Exchange	5 - 10	Weekly	Up to 40 SG can be obtained per week through the Casino Coin Exchange 1,000 Coins for 10 SG once per week, 1,700 Coins for 5 SG 6 times per week
Buster Medal Exchange	5 - 10	Weekly	Up to 100 SG can be obtained per week through the Buster Medal Exchange 40 Medals for 10 SG 5 times per week, 40 Medals for 5 SG 10 times per week
Battle Coin Exchange	5 - 10	Weekly	Up to 100 SG can be obtained per week through the Battle Coin Exchange 200 BC for 10 SG 5 times per week, 200 BC for 5 SG 10 times per week
Battle Arena Ranking	40 - 2000	Monthly	SG Tickets can be collected monthly from the Gate Area depending on your Battle Arena rank from the previous month

Purchase with AC

Alternatively, you can also purchase SG with AC.
You can do this through from Main Menu > Shop > AC/SG Shop > Purchase SG.

Product	Price	Unit Price	Notes
Star Gems x20	100	5.0
Star Gems x120	500	4.16	100 + Bonus 20 (20% Bonus)
Star Gems x480	1,900	3.96	380 + Bonus 100 (26% Bonus)
Star Gems x1280	4,800	3.75	960 + Bonus 320 (33% Bonus)
Star Gems x 2800	9,800	3.50	1960 + Bonus 840 (42% Bonus)

Important: SG purchased with AC expires after a year, but the expiration date resets whenever any SG is obtained.
You can check how much purchased and free SG you have in the View AC/SG Details menu.

Ways to spend SG

SG Shop

The SG Shop contains various helpful items to enhance your experience.
Aside from the normal line-up, there's usually also limited quantities of items found at the top of the shop list from time to time.

Product	Price	Purchase Limit	Notes
Auto Sell Items 30 Days S	500	None	A ticket that allows you to auto sell item drops and other things for 30 days.
Material Storage Use (30 Days S)	300	None	A permit to access Material Storage. Using it allows you to store Order Items/Materials in Material Storage for 30 days.
Material Storage Use (90 Days S)	720	None	A permit to access Material Storage. Using it allows you to store Order Items/Materials in Material Storage for 90 days.
Extended Storage 1 Use (30 Days S)	100	None	A permit to access Extended Storage 1. Using it allows you to store up to 500 items in Extended Storage 1 for 30 days.
Extended Storage 1 Use (90 Days S)	240	None	A permit to access Extended Storage 1. Using it allows you to store up to 500 items in Extended Storage 1 for 90 days.
N-Rare Drop Rate [24h] +150%	900	2 per week	Boosts rare drop rate 150% for 24 hours after use. * Duration will decrease while logged out.
N-EXP Earned [24h] +50%	250	2 per week	Boosts EXP earned 50% for 24 hours after use. * Duration will decrease while logged out.
N-Mission Pass Gold	100	None	Using this item will allow you to earn gold rewards in addition to the regular rewards for the current season.
Salon Pass S	100	None	A pass for using the salon's functions. Also usable for Auxiliaries. The pass is consumed upon use.
Genesis Points Earned +100%	50	1 per week	Boosts Genesis Points earned by 100% for 7 days after use. * Duration will decrease while logged out.

SG Scratch Tickets

For more info on SG Scratch Tickets, see TBD

SG Treasure Shop

The SG Treasure Shop sells a wide variety of items that refreshes every 24 hours. The shop can be refreshed once for free, and an additional time for free for Premium users. After the free refreshes, it can be refreshed up to 3 times for a cost of 10 per refresh.
Some items are more rare than others, and will be marked with a "RARE" tag. There's also a chance for items to show up with a 10% discount, marked with a "SALE" tag and red price. Certain items can also only be bought by Premium players.

A large amount of the items in the Treasure Shop are outdated or otherwise more easily obtained nowadays and should be avoided, while there's a few items that are worth keeping an eye out for.

Treasure Shop Contents
Item	Cost	Notes
Salon Pass S	100	A pass for using the salon's functions. Also usable for Auxiliaries. The pass is consumed upon use.
N-Triboost 10%	10	Boosts N-Meseta earned, EXP earned, and rare drop rate 10% for 60 minutes after use. * Duration will decrease while logged out.

Premium Treasure Shop Contents
Item	Cost	Notes
N-Augmentation Success Rate +20%	60	Boosts augmentation success rate when affixing an augment.
N-Augment Item Protection	120	Prevents the consumption of material items and augmentation items after an augmentation failure.
Salon Pass S	91	A pass for using the salon's functions. Also usable for Auxiliaries. The pass is consumed upon use.
N-Rare Drop Rate [24h] +150%	846	Boosts rare drop rate 150% for 24 hours after use. * Duration will decrease while logged out.
N-EXP Earned [24h] +50%	235	Boosts EXP earned 50% for 24 hours after use. * Duration will decrease while logged out.
N-Triboost 20%	20	Boosts N-Meseta earned, EXP earned, and rare drop rate 20% for 60 minutes after use. * Duration will decrease while logged out.
N-Triboost 10%	10	Boosts N-Meseta earned, EXP earned, and rare drop rate 10% for 60 minutes after use. * Duration will decrease while logged out.

Music Discs
Item	Cost	Notes
Apprentice - Second Half	50	Disc for playing music on the Jukebox. PSO2 #228 "DYREINA"
EP5 Luther the Fallen Battle	50	Disc for playing music on the Jukebox. PSO2 #229 (Adjustable) "MIERNO "IDOLA""
Elmir Battle	50	Disc for playing music on the Jukebox. PSO2 #230 "ESTUGA"
DF Persona - Elder	50	Disc for playing music on the Jukebox. PSO2 #231 "PERSOSIAL Q VOLENTH"
DF Persona - Luther	50	Disc for playing music on the Jukebox. PSO2 #232 "PERSOSIAL Q KONUCER"
DF Persona - Apprentice	50	Disc for playing music on the Jukebox. PSO2 #233 "PERSOSIAL Q VIRTULA"
DF Persona - Double	50	Disc for playing music on the Jukebox. PSO2 #234 "PERSOSIAL Q CAOCITAL"
DF Persona - Final Form	50	Disc for playing music on the Jukebox. PSO2 #235 "Over the Universe"
DF Persona - Final Battle	50	Disc for playing music on the Jukebox. PSO2 #236 (Adjustable) "NUERALMO - The whole new world"

Outdated/Contents to avoid
Item	Cost	Notes	Item	Cost	Notes
N-EX-Cube N-Class-EX-Cube	40	A crystal granted to those who seek power. Used for various purposes like unlocking Potentials and Limit Breaking at the Item Lab. A precious crystal given to class seekers. Used to acquire Add-on Skills at the Class Counter.	Sta Might S Spi Might S Deft Might S Gua Might S	80	HP +15, Melee Weapon Potency +2.0% PP +5, Melee Weapon Potency +2.0% Melee Weapon Potency +2.0%, Potency Floor Increase +2.0% Melee Weapon Potency +2.0%, Damage Resistance +2.0%
Sta Precision S Spi Precision S Deft Precision S Gua Precision S	80	HP +15, Ranged Weapon Potency +2.0% PP +5, Ranged Weapon Potency +2.0% Ranged Weapon Potency +2.0%, Potency Floor Increase +2.0% Ranged Weapon Potency +2.0%, Damage Resistance +2.0%	Sta Technique S Spi Technique S Deft Technique S Gua Technique S	80	HP +15, Technique Weapon Potency +2.0% PP +5, Technique Weapon Potency +2.0% Technique Weapon Potency +2.0%, Potency Floor Increase +2.0% Technique Weapon Potency +2.0%, Damage Resistance +2.0%
Decold Might S Decold Precision S Decold Technique S	80	Low Temp Damage Resistance +25.0%, Melee Weapon Potency +2.5% Low Temp Damage Resistance +25.0%, Ranged Weapon Potency +2.5% Low Temp Damage Resistance +25.0%, Technique Weapon Potency +2.5%	Decold Might S Decold Precision S Decold Technique S	80	Low Temp Damage Resistance +25.0%, Melee Weapon Potency +2.5% Low Temp Damage Resistance +25.0%, Ranged Weapon Potency +2.5% Low Temp Damage Resistance +25.0%, Technique Weapon Potency +2.5%
Forms Machini Soul II S Forms Machini Soul III S	5 30	Ranged Weapon Potency +2.0%, Damage Resistance +2.0% Ranged Weapon Potency +2.0%, Damage Resistance +2.5%	Forms Sand Soul II S Forms Sand Soul III S	5 30	Technique Weapon Potency +2.0%, Damage Resistance +2.0% Technique Weapon Potency +2.0%, Damage Resistance +2.5%
Daityl Soul II S Daityl Soul III S Daityl Soul IV S	5 30 100	PP +5, Melee Weapon Potency +2.0% PP +5, Melee Weapon Potency +2.5% PP +5, Melee Weapon Potency +3.0%	Pettas Soul II S Pettas Soul III S Pettas Soul IV S	5 30 100	PP +5, Ranged Weapon Potency +2.0% PP +5, Ranged Weapon Potency +2.5% PP +5, Ranged Weapon Potency +3.0%
Nex Soul II S Nex Soul III S Nex Soul IV S	5 30 100	PP +5, Technique Weapon Potency +2.0% PP +5, Technique Weapon Potency +2.5% PP +5, Technique Weapon Potency +3.0%	Dust Soul II S Dust Soul III S Dust Soul IV S	5 30 100	HP +15, Melee Weapon Potency +2.0% HP +15, Melee Weapon Potency +2.5% HP +15, Melee Weapon Potency +3.0%
Ragras Soul II S Ragras Soul III S Ragras Soul IV S	5 30 100	HP +15, Ranged Weapon Potency +2.0% HP +15, Ranged Weapon Potency +2.5% HP +15, Ranged Weapon Potency +3.0%	Renus Soul II S Renus Soul III S Renus Soul IV S	5 30 100	HP +15, Technique Weapon Potency +2.0% HP +15, Technique Weapon Potency +2.5% HP +15, Technique Weapon Potency +3.0%
Eradi Soul II S Eradi Soul III S Eradi Soul IV S	5 30 100	HP +10, PP +4, Potency +1.75% HP +10, PP +4, Potency +2.25% HP +10, PP +4, Potency +2.75%	Frostyl Soul II S Frostyl Soul III S Frostyl Soul IV S	5 30 100	HP +10, PP +3, Melee Weapon Potency +2.0% HP +10, PP +3, Melee Weapon Potency +2.5% HP +10, PP +3, Melee Weapon Potency +3.0%
Crocys Soul II S Crocys Soul III S Crocys Soul IV S	5 30 100	HP +10, PP +3, Ranged Weapon Potency +2.0% HP +10, PP +3, Ranged Weapon Potency +2.5% HP +10, PP +3, Ranged Weapon Potency +3.0%	Ams Soul II S Ams Soul III S Ams Soul IV S	5 30 100	HP +10, PP +3, Tech Weapon Potency +2.0% HP +10, PP +3, Tech Weapon Potency +2.5% HP +10, PP +3, Tech Weapon Potency +3.0%
Freid Soul II S Freid Soul III S Freid Soul IV S	5 30 100	HP +15, PP +5, Melee Weapon Potency +2.0%, All Down Resistance -10.0% HP +15, PP +5, Melee Weapon Potency +2.5%, All Down Resistance -10.0% HP +15, PP +5, Melee Weapon Potency +3.0%, All Down Resistance -10.0%	Doldor Soul II S Doldor Soul III S Doldor Soul IV S	5 30 100	HP +15, PP +5, Ranged Weapon Potency +2.0%, All Down Resistance -10.0% HP +15, PP +5, Ranged Weapon Potency +2.5%, All Down Resistance -10.0% HP +15, PP +5, Ranged Weapon Potency +3.0%, All Down Resistance -10.0%
Nils Soul II S Nils Soul III S Nils Soul IV S	5 30 100	HP +15, PP +5, Technique Weapon Potency +2.0%, All Down Resistance -10.0% HP +15, PP +5, Technique Weapon Potency +2.5%, All Down Resistance -10.0% HP +15, PP +5, Technique Weapon Potency +3.0%, All Down Resistance -10.0%	Vardi Soul IV S	100	HP +25, Potency +2.75%
Aegis Soul III S	50	HP +5, PP +2, Potency +2.5%	Gladia Soul LCS Highael Domina LCS Mastery LCS Gigas Maste LCS Halphinale LCS	40	HP +20, PP +6, Potency +3.5% HP +10, PP +4, Potency +2.75%, Potency Floor Increase +2.0 Potency +2.25%, Potency Floor Increase +2.5%, Damage Resistance +2.5% HP +20, Potency +3.25% HP +15, PP +5, Potency +3.75%
Gigas Might II S Gigas Might III S Gigas Might IV S	5 30 100	HP +10, Melee Weapon Potency +2.0% HP +15, Melee Weapon Potency +2.5% HP +20, Melee Weapon Potency +3.0%	Gigas Precision II S Gigas Precision III S Gigas Precision IV S	5 30 100	HP +10, Ranged Weapon Potency +2.0% HP +15, Ranged Weapon Potency +2.5% HP +20, Ranged Weapon Potency +3.0%
Gigas Technique II S Gigas Technique III S Gigas Technique IV S	5 30 100	HP +10, Technique Weapon Potency +2.0% HP +15, Technique Weapon Potency +2.5% HP +20, Technique Weapon Potency +3.0%	Defi Eriss S Defi Plutos S Defi Ceires S Defi Makemes S Defi Haumeas S	50	Potency +7% and Damage Resistance +20% during a Duel: Phase 1 Quest Potency +7% and Critical Hit Rate +5% during a Duel: Phase 1 Quest Potency +7% and Offensive PP Recovery +30% during a Duel: Phase 1 Quest Potency +7% and Potency Floor Increase +20% during a Duel: Phase 1 Quest Potency +7% and Increase PB Gauge when attacking +30% during a Duel: Phase 1 Quest Note: Only for Main Class Equippable Weapons
Melra Dualble III S Meltech Dualble III S Ratech Dualble III S	5	Melee/Ranged Weapon Potency +1.75% Melee/Tech Weapon Potency +1.75% Ranged/Tech Weapon Potency +1.75%	Deftness III S	5	Potency Floor Increase +2.0%
Guard III S	5	Damage Resistance +2.0%	Burn Ward III S Freeze Ward III S Shock Ward III S Blind Ward III S Panic Ward III S Poison Ward III S Pain Ward III S	5	Burn Resistance +30.0% Freeze Resistance +30.0% Shock Resistance +30.0% Blind Resistance +30.0% Panic Resistance +30.0% Poison Resistance +30.0% Pain Resistance +30.0%
Decold Standard III S	5	Low Temp Damage Resistance +25.0%	Alts Secreta II S	5	HP -10, Potency +1.5%, Potency Floor Increase +1.5%, Damage Resistance -1.5%

SG Build Parts

For more info on SG Build Parts, see TBD