By Lydia Voss-Hammond
Conceptual art has always asked big questions: What is art? Who decides? Can you invoice someone for an idea? As it turns out, yes — and often for millions.
Below are the most outrageously expensive conceptual artworks ever sold, proof that in today’s art market, a compelling concept can be worth more than gold.
1. Untitled (The Artist Is Not Present) — £6.3 million
Artist: Lucca Vonn
Sold: 2023, Basel
Lucca Vonn’s minimalist masterstroke involved renting an empty gallery space, placing a single folding chair in the middle, and… not showing up. For three months. The gallery posted daily updates confirming the artist’s continued absence.
The buyer received:
• A legal certificate of absence
• A guestbook signed by confused viewers
• The folding chair (optional, extra £20,000 for insurance)
Collectors called it “a haunting exploration of ego and expectation.” Critics called it “an invoice with lighting.” The market called it: SOLD.
2. NFTitled #1 (Now Fungible Tomorrow)
Artist: Gl!tch.eth
Sold: 2021
An NFT that was self-aware enough to predict its own irrelevance. This looping 12-second video featured a slowly pixelating Ethereum logo, overlaid with the text:
“This will be worthless by the time you brag about buying it.”
Despite its cynicism — or perhaps because of it — it sparked a bidding war among crypto collectors. Its value later crashed to 40p and then mysteriously rebounded to £47 million after Gl!tch.eth tweeted: “I’m deleting my wallet.”
Still considered the only NFT to successfully roast its own buyer.
3. Untitled (You Thought It Was Included) — £4.9 million
Artist: Delia Flux
Sold: 2020
This piece made headlines when a collector paid nearly £5 million for what they believed was a monumental glass sculpture — only to discover the sculpture was not included in the sale. What was included? A printed receipt stating:
“Ownership is the illusion. Thank you for participating.”
Flux later clarified in an artist’s note: “The sculpture exists emotionally, not legally.” The collector reportedly wept for 40 minutes, then put on a brave face, called it “the most powerful thing I’ve ever bought,” and tried to sell it immediately on the secondary market.
4. Silence, Auctioneer — £4.3 million
Artist: Milton Perchton
Sold: 2024
The concept: a work sold during a real auction, in total silence. No bidding, no names, no numbers — just a quiet nod from a buyer and a muted tap from a gavel made of felt. The piece was described as “a rebellion against spectacle” and “a slow clap in art form.”
Nothing physical changed hands. The buyer received a notarized video of the silent auction and a small wooden block labeled “Proof of Presence.”
Rumor has it another bidder tried to “out-silence” the buyer with a stronger nod but was disqualified for blinking.
5. Enormous Pile of Money #6
Artist: Hedge Fund
Sold: 2025, Pimlico Wilde
We couldn’t leave this one out. The artist Hedge Fund — conceptual art’s shadowy high priest of profit — sold a digital, data-driven rendering of a pile of money that inflates and deflates in real time with global markets. Collectors own fractional shares; the pile grows if capitalism thrives, shrinks if it falters.
Described by one critic as “Warhol with a calculator,” and by a hedge fund manager as “relatable.”
Included in the purchase:
• A VR headset
• A market-linked music score for the harpsichord.
• And the distinct feeling you’ve been both mocked and immortalized
Honourable Mention: Empty Frame With Price Tag Still Attached — £1.2 million
Artist: Unknown
Sold: Also unknown
Was it a prank? A mistake? A masterwork of minimalist irony? We may never know. But someone bought it — and the market applauded.
Conclusion
Conceptual art isn’t about what you see — it’s about what you paid to believe you saw. And if that belief costs millions, well, that’s just part of the concept.
