
Nile auction collection · Gemstones
Bi-colour tourmaline
Green and pink meet within an octagonal step cut. Two auction views show the stone from its crown and pavilion.
Auction lot 0103N · Source auction date:
Continue to LiveAuctioneers for current status, pricing and bidding. Availability is unconfirmed.
- Weight
- 13.17 ctFrom the report image
- Species
- Natural ElbaiteFrom the report image
- Variety
- Parti-colored TourmalineFrom the report image
- Shape
- OctagonalFrom the report image
- Cut
- Step / StepFrom the report image
- Colour
- Green and PinkFrom the report image
- Measurements
- 12.74 × 10.97 × 9.88 mmFrom the report image
- Transparency
- TransparentFrom the report image
- Treatment note
- The report notes common heating or irradiation and states that colour authenticity is currently undeterminable.From the report image
Original auction photographs
These photographs are preserved from this lot's auction gallery.

The accompanying report

- Laboratory named on source
- ICA GemLab
- Report title
- Gemstone report
Report image supplied in the auction gallery. Transcription is limited to legible fields; the report has not been independently verified with the issuing laboratory.
Report number and date have not been transcribed from the small type. No untreated claim is made.
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