FLOAT

Tiffany Schlumberger 'Bird on a Rock' Brooch

Maker
Tiffany & Co. (Jean Schlumberger)
Year
design 1965 (this example 20th c., sold 2025)
Rank
39 of 100
Identifier
Amethyst + 2.99 ct diamond bird with ruby eye, 18k gold + platinum, signed Tiffany Schlumberger

Tiffany Schlumberger 'Bird on a Rock' Brooch

Realized at auction: $48,640, dated 2025-05-29. This is a realized sale. Somebody paid it.

What is it, and why is it in the FLOAT 100?

Schlumberger's most recognizable Tiffany design and a permanent Tiffany high-jewelry signature.

Amethyst + 2.99 ct diamond bird with ruby eye, 18k gold + platinum, signed Tiffany Schlumberger

What is the best-sourced number for it?

Figure
$48,640
Kind
Realized at auction
Date
2025-05-29

A realized auction price is what a buyer actually paid on the date shown, including the buyer's premium where the sale reported it. It is the strongest kind of reference price, and it is a record of one sale of one object on one day, not a promise of what the next example will bring.

By reference price, Tiffany Schlumberger 'Bird on a Rock' Brooch is number 44 of 99 in the jewelry entries of the FLOAT 100. 42 of those 99 rest on a realized sale; the rest carry an asking price or a guide value, and each page says which. Rank within the FLOAT 100 itself (39 here) is editorial: how much an object defines its field, not price alone.

How this is made

The figure
One reference price, 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

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FLOAT is a free tracker. Add the jewelry you own, keep photos and certificates with each item, and see a value built from real sales at your item's grade. This page is a public reference; it does not offer, price or sell insurance.