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Theo Fennell Auction Prices & Market Value

The median realized auction price for Theo Fennell is $2,500 and the average is $3,500, from 342 verified sold lots (1998 to 2026) across 1 categories. Real transactions, not asking prices.

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342 verified sold lots · 1 categories · record $29,000

Median realized price2005–2025
$1,100$2,600
Lots tracked / year2005–2025
321
Median realized
$2,500
Average realized
$3,500
90th percentile
$7,200
Record result
$29,000
Theo Fennell Index
239
Since 2005
+139%
Last full year YoY
-41.5%
Verified sold lots
342
Record results

The most expensive Theo Fennell lots at auction.

Top realized results for Theo Fennell. Every figure is a real transaction, not an estimate.

1160. diamond necklace, theo fennell
Jewelry
160. diamond necklace, theo fennell
$29,000
Sotheby's · 2009-03-19
2
Jewelry
A Diamond Necklace Theo Fennell
$23,500
Bonhams · 2003-04-10
3A THREE-COLOUR PALM TREE BROOCH, BY THEO FENNELL
Jewelry
A THREE-COLOUR PALM TREE BROOCH, BY THEO FENNELL
$20,900
Christie's · 2006-06-13
4
Jewelry
A diamond heart pendant by Theo Fennell
$20,000
Bonhams · 2003-10-02
5320. diamond ring, theo fennell, 1998
Jewelry
320. diamond ring, theo fennell, 1998
$18,900
Sotheby's · 2010-07-15
6
Jewelry
A green tourmaline, ruby and gold necklace, by Theo Fennell
$14,700
Bonhams · 2011-12-08
Inside the profile

The full Theo Fennell profile.

Price distribution by year, value, auction house share and quarterly momentum, filterable by category, model and saleroom.

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Where Theo Fennell sells.

Verified sold lots by category, drawn live from the Theo Fennell dataset.

Lots by category

Jewelry338

Median & record by category

CategorySold lotsMedianRecord
Jewelry338$2,500$29,000
The product suite

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Create a free account to unlock every Theo Fennell sale, filter by model, reference, category and house, and export the data. Enterprise access via API, BigQuery and bulk download.

  • All 342 verified sold lots, with the realized price of each
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  • USD-normalized realized prices
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Questions

Frequently asked questions

What is the average price of a Theo Fennell at auction?
The average realized auction price is $3,500 and the median is $2,500, based on 342 verified sold lots (1998-2026) across 19 vendors (ALT/FNDATA, as of September 2026).
What is the most expensive Theo Fennell ever sold at auction?
The record is $29,000, set by the 160. diamond necklace, theo fennell at Sotheby's.
Which categories does Theo Fennell sell in at auction?
Theo Fennell appears across 1 categories: jewelry. See the table above for the median and record in each.
Are these realized or asking prices?
Realized. Every figure is what an item actually sold for at auction, normalized to USD. Unsold lots are tracked separately.
Maker

Who makes Theo Fennell.

Theo Fennell Ltd.
Theo Fennell Ltd.

Privately held, so no listed parent. Publicly owned maisons link here to their parent company profile and ticker.

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Source: ALT/FNDATA, 19.24M realized auction results across 37 collectible categories, normalized to USD. Methodology · All brands · Market statistics