Nile auction collection · Gemstones
Octagonal blue topaz
A blue octagonal mixed cut with a separate pavilion view and its IGI report image.
Auction lot 0081N · Source auction date:
Continue to LiveAuctioneers for current status, pricing and bidding. Availability is unconfirmed.
- Weight
- 11.84 ctFrom the report image
- Species
- Natural TopazFrom the report image
- Variety
- Blue TopazFrom the report image
- Cut
- Octagonal Mixed CutFrom the report image
- Colour
- BlueFrom the report image
- Measurements
- 15.00 × 13.88 × 9.77 mmFrom the report image
- Transparency
- TransparentFrom the report image
- Treatment note
- The report notes that blue topaz is commonly irradiated then heated, and indicative evidence is typically lacking.From the report image
Original auction photographs
These photographs are preserved from this lot's auction gallery.
The accompanying report
- Laboratory named on source
- IGI
- Report title
- Colored Stone Report
- Report number
- 657438468
- Report date
- 2025-04-02
Report image supplied in the auction gallery. Transcription is limited to legible fields; the report has not been independently verified with the issuing laboratory.
The general treatment note does not establish that this particular stone is untreated.
Inspect the original auction listingRead in context
Facts above retain their source qualifiers. Statements attributed to the listing reflect the auctioneer's description; statements attributed to a report are transcribed from the supplied image. This guide does not independently verify a laboratory report, establish present availability, or offer the piece for purchase.
View the source auction lot