The Zoe Diamond
- Year
- sold 2014
- Rank
- 12 of 100
The Zoe Diamond
The Zoe Diamond (sold 2014) is ranked 12 in the FLOAT 100 for Jewelry. It sold for $32,645,000 on 12 November 2014. Set the world-record price-per-carat for any diamond ($3.35M/ct) and most valuable blue diamond at the time.
What is it, and why is it in the FLOAT 100?
Set the world-record price-per-carat for any diamond ($3.35M/ct) and most valuable blue diamond at the time.
9.75 ct pear-cut Fancy Vivid Blue; ex-Rachel 'Bunny' Mellon collection
What is the best-sourced number for it?
- Figure
- $32,645,000
- Kind
- Realized at auction
- Date
- 12 November 2014
Sotheby's New York, Bunny Mellon collection; $32.6M, $3,348,205/ct (then a record for any diamond regardless of color).
This is a realized sale. Somebody paid it. Source.
How this is made
- The figure
- One reference price, taken from a named public source and shown with its own kind. FLOAT does not average it with anything or adjust it for time.
- Realized or not
- A realized price is a completed sale. A market asking price and a price-guide value are not sales, and are labeled as such wherever they appear.
- Why no grade ladder
- Most FLOAT 100 entries are individual objects. There is one of this, so there is no population and no spread across grades to show.
- Archive
- 2026-08-08