Nile auction collection · Gemstones
Cushion tanzanite
An intensely bluish violet cushion with four auction views and its accompanying IGI report image.
Auction lot 0088N · Source auction date:
Continue to LiveAuctioneers for current status, pricing and bidding. Availability is unconfirmed.
- Weight
- 4.40 ctFrom the report image
- Species
- Natural ZoisiteFrom the report image
- Variety
- TanzaniteFrom the report image
- Cut
- Square Cushion Mixed CutFrom the report image
- Colour
- Intense Bluish VioletFrom the report image
- Measurements
- 10.10 × 10.06 × 5.90 mmFrom the report image
- Transparency
- TransparentFrom the report image
- Treatment note
- The report notes that tanzanites are commonly enhanced by heat 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 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 report number has not been transcribed from the small image. The general heat-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