Cut a Gem Tier Lists
Meta rankings for geodes, grinders, and totems —updated for the current factory loop.
Cut a Gem rewards players who spend cash on the right inputs at the right time. Geodes decide your purity ceiling, grinders determine how fast you reach it, and totems multiply both when placed correctly. This hub collects every ranking on the wiki so you can compare systems without jumping between unrelated guides.
Tier lists here are built for real progression —not theoretical best-in-slot at launch day. We weigh return on investment, offline compatibility, rebirth synergy, and how each pick fits the loop described in Getting Started: buy geodes, grind gems, negotiate with buyers, reinvest, rebirth when multipliers justify the reset.
How we rank equipment
Every sub-list uses a consistent S through F scale with short notes on when something belongs in that tier, not just what it is.
| Tier | Meaning in Cut a Gem |
|---|---|
| S | Best value at its unlock point; buy or craft immediately if affordable |
| A | Strong meta; slight inefficiency vs S but still worth prioritizing |
| B | Situational —good mid-game bridge or budget filler |
| C | Niche use; skip unless you have spare cash or a specific build |
| F | Trap purchase —overspends for marginal purity or speed |
Rankings assume solo play on a standard plot without paid boosts. If you redeemed 1MVISITS from the Codes Hub, treat bonus cash as acceleration, not permission to skip mid-tier grinders listed on Grinders Tier List.
Geodes —your purity ceiling
Geodes are the raw material every grinder converts into sellable gems. Higher tiers cost more upfront but push purity high enough that buyer offers jump disproportionately. The full breakdown lives on Geodes Tier List, including where Basic, Dark, and Crystal geodes sit for fresh accounts versus rebirth farmers.
Quick rule: never feed a geode your slowest grinder cannot finish before your next manual restock unless automation handles intake. Mismatching geode tier to grinder speed is the most common reason new players feel stuck despite having cash in the bank.
Finished gems also differ by rarity and buyer appeal — see Gems Tier List when deciding which output batches to stockpile versus sell immediately.
Grinders —your throughput engine
Grinders define how many geodes become gems per minute and how much purity each pass adds. Offline production continues while you are away, so grinder tier directly affects idle income covered in offline farming guides. Compare every model on Grinders Tier List before bulk-buying duplicates of a low-tier unit.
Conveyor speed upgrades matter, but they cannot fix an under-tier grinder line. Upgrade the bottleneck grinder first, then expand belt length. Layout tips in conveyor guides assume you already picked grinders from the A-tier band or higher.
Totems —passive multipliers
Totems buff purity growth, grind speed, cash from sales, or offline ticks depending on type. Codes sometimes grant Small Growth Totems, which punch above their size when placed on shared tiles. See Totems Tier List for placement priority and which totems stay relevant after your first rebirth.
Totems are permanent or long-duration investments. Placing one next to a grinder you plan to scrap in ten minutes wastes the buff radius. Plan totem slots when you finalize your main line, not during the tutorial.
Using these lists together
Progression is a triangle, not a straight line:
- Match geode tier to what your best grinder can process reliably.
- Upgrade grinders until the next geode tier becomes profitable.
- Add totems that amplify whichever stat is currently limiting income —usually purity early, speed mid-game, offline yield later.
After rebirth, re-read all three lists. Multipliers change which geode offers the best cash per minute even if the names look familiar from your previous run.
When rankings change
Gem Traders ships balance patches that adjust geode prices, grinder output, or totem durations. Check Updates Hub after each patch and revisit the child tier pages if grind times feel different overnight. We update tier notes when verified changes hit live servers, not when datamined rumors circulate on social media.
Related pages outside this category
Tier lists tell you what to buy; guides explain how to use it. Pair this hub with Buyer Negotiation for selling high-purity gems, Increase Purity for mechanics behind the numbers, and Codes Hub for free totems and cash that shift early-game tiers.
Start with Geodes Tier List if you are day one, Grinders Tier List if geodes pile up unprocessed, Gems Tier List if purity is fine but buyer offers vary, or Totems Tier List if your line runs smoothly but income flatlines.
Frequently Asked Questions
Quick answers to the most common questions.
Which tier list should I read first in Cut a Gem?
New players should start with geodes, then grinders, then totems. Geode tier sets your purity ceiling; grinders must match that ceiling before totems multiply meaningful output.
Do tier rankings change after rebirth?
Yes. Rebirth multipliers make higher geode tiers profitable sooner and can demote early-game grinders you no longer need. Re-check all three lists after each rebirth.
Are paid Robux items included in these tiers?
Rankings focus on in-game cash progression. Limited Robux bundles may sit above S-tier for convenience but are not required for efficient free-to-play routes.
Why is my S-tier geode not making profit?
Usually your grinder tier or conveyor speed is too low to process it fast enough, or you sell before negotiating. Match equipment tiers and read buyer negotiation guides.
How often is the Cut a Gem tier list updated?
After major patches listed on the updates hub. Minor hotfixes may shift prices without a full rerank —watch community patch notes if grind times suddenly change.