Compare JJ Goss [Blue Sapphire] values across different grades. See whether grading is worth it based on current prices and PSA gem rates.
Price by Grade
| Grade | Guardian Estimate | Premium vs Raw |
|---|
| Raw / Ungraded | $3.50 | — |
| PSA 10 Gem Mint | $13.00 | +271% |
Frequently Asked Questions
Is JJ Goss [Blue Sapphire] worth grading? A PSA 10 JJ Goss [Blue Sapphire] is worth $13.00 vs $3.50 raw — a 271% premium.
What is JJ Goss [Blue Sapphire] PSA 10 worth? $13.00 as of October 2026.