GIA Certified Octag.1.15 ct Color Change Sapphire
Updated September 10, 2026
| Lot number | 57l |
| Category | Jewelry & Watches |
| Auction | Interstate After Dark Bullion, Art, and Diamond Auction |
| Date | September 17, 2026 at 9:00 PM EDT |
| Auction house | Interstate Auction & Realty |
| Location | Corbin, Kentucky |
PGL Retail Replacement Value $6,900 GIA Report Number 5231525415 Weight 1.15 carats Measurements 5.56 x 5.24 x 3.69 mm Shape Octagonal Cutting Style Step Cut Transparency Transparent Color Green changing to Reddish Purple Item Description One loose stone Conclusion Species Natural Corundum Variety Natural Sapphire Geographic Origin Not Requested Treatment(s) No Indications of Heating Comments This stone exhibits a change of color when viewed under daylight or fluorescent vs incandescent light. 495425-8735-514 / S1 T20
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