Jewelry Condition Grading and Cleaning Before Sale
Last updated: September 16, 2026 — rechecked against Marketplace fee schedules, Worthy terms, Jewelers Mutual guides and updated where details changed.
Reviewed by Emily Holmes, General Reviewer, following our test method.
A practical walkthrough for clean jewelry before selling grade: Ultrasonic Cleaner, Tarnish, Prong Setting in plain order, the main options compared side by side, and the mistakes that cause redos flagged up front. Pick one option from the table and work it fully.
Quick answer: compare paths first using the table below. Confirm fit against Ultrasonic Cleaner, Tarnish, Prong Setting, Condition Grade. Check the mistakes section before you commit. Details and FAQs below.
Where Wear Shows First
Pick one path first — that choice matters more than any single tip below. The table maps the main options; the sections below resolve fit and failure modes.

Illustrative stock photo via Pexels.
| Method | Key Points | Best For |
|---|---|---|
| Where Wear Shows First | Main checks for where wear shows first — full detail in the section below | See whether this matches your case below |
| Gentle Clean vs Pro Polish | Main checks for gentle clean vs pro polish — full detail in the section below | See whether this matches your case below |
| Condition Grades Price Impact Comparison Table | Main checks for condition grades price impact comparison table — full detail in the section below | See whether this matches your case below |
Related: Where to Sell Jewelry Online in 2026 (Auction, Marketplace, or Direct Buyer).
Heads-up: Ultrasonic Cleaner, Tarnish, Prong Setting, Condition Grade differ from case to case, so use the steps here as the reliable core and confirm current specifics in Sources before you decide.
Gentle Clean vs Pro Polish
Work through Ultrasonic Cleaner, Tarnish, Prong Setting in order: confirm the starting point, run the steps once without skipping, then verify the result before moving on.
- Use it when: your case matches this option.
- Skip it when: another option below fits better.
- Spec to confirm: the one detail readers get wrong here — check it in Sources.
Condition Grades Price Impact Comparison Table
Costs for clean jewelry before selling grade vary by provider, region, and timing — treat any single figure as a snapshot. Compare total cost (base + fees + renewals or refills), not headline price, and confirm current terms in Sources before deciding.

Illustrative stock photo via Pexels.
Stones Clasps and Settings Check
For stones clasps and settings check, define the goal, try the smallest complete version first, and check it against Ultrasonic Cleaner, Tarnish, Prong Setting before continuing. Where details vary, verify specifics in Sources.
Photos After Clean Lift
Fees decide where your jewelry should go before photos do. Worthy's auction tiers run about 18% to $5k, 14% to $15k, 12% to $30k, 10% above — with GIA grading, reserves, and a two-to-three-week cycle — built for $1k-plus pieces, not sub-$500 items (worthy.com). Get the $50–150 appraisal before you list: 4Cs, troy-ounce math (31.1g), 65–88% of melt as fair for gold, roughly half of retail fair for estate resale (jewelersmutual.com).
Setup Tips to Get Better Results Faster
Prep beats rework here: gather what you need once, note your starting point, keep Ultrasonic Cleaner, Tarnish, Prong Setting in mind while you work, and stop at the first unexpected result to re-check fit.
FAQ: Cleaning Questions
What is the fastest way to handle this?
Start with the comparison table, pick one path, and finish its checks fully. Switching mid-way is slower than one clean pass.
What do most guides miss here?
Most short guides skip the fit checks — Ultrasonic Cleaner, Tarnish, Prong Setting. The sections above cover them so you don't have to piece it together from five tabs.
When should I choose a different option here?
When your situation points to another option below — use the related guide for that option instead of forcing this one to fit.
Where can I verify current details?
Use the primary sources in Sources below — provider pages and official references change faster than any guide.
Where's the best place to sell jewelry online?
It depends on value: auction houses like Worthy for $1k-plus diamonds, marketplaces for fashion pieces, local jewelers for quick sub-$500 sales. Match channel to value first.
Bottom Line
Compare the options first, confirm fit against Ultrasonic Cleaner, Tarnish, Prong Setting, then check the mistakes section. Use the related guides below for background and nearby options.
Related Guides
Sources: verify current details in primary references for clean jewelry before selling grade — Jeweler care guides plus Worthy seller editorial and GIA pages. Evidence is thin where providers differ; prefer official pages over aggregators.