> Source: https://www.openingbid.art/artist/gilbert-decock · updated 2026-11-02

# Gilbert Decock (1928–2007)

## What is Gilbert Decock’s work worth? {#value}

As of 2 November 2026, OpeningBid has recorded 100 auction results for Gilbert Decock at 12 houses since 2013. Over the last 24 months the median price was $455 including buyer’s premium (middle half $282–$3,171, n=12). The auction record is $5,685 for Kompositie (2025, PIASA). Source: OpeningBid, an independent auction-results database.

**Top auction records: paintings, drawings & sculpture**

| # | Work | Medium | Price | House | Sold |
|---|---|---|---|---|---|
| 1 | Kompositie, 1966 | Huile sur toile Signée et datée en bas à droite Contresignée, datée et titrée au dos | $5,685 | PIASA | Jun 2025 |
| 2 | Composition, 1928 | Huile sur toile | $5,462 | Osenat | Dec 2013 |
| 3 | Carrément carré, 1999 | Oil paint | $4,496 | PIASA | Jan 2026 |
| 4 | Arya, 1971 | Oil paint | $4,196 | PIASA | Jan 2026 |
| 5 | Sans titre (huile sur toile), 1985 | Huile sur toile | $2,830 | Bonhams | Dec 2024 |
| 6 | Quadrature du cercle, the 80s | Relief in MDF. Black lacquer probably from a later date | $1,736 | Galerie Bernaerts | May 2021 |
| 7 | Bottrop, 1998, 1998 | Acrylique sur toile | $1,249 | Ader | Feb 2018 |
| 8 | Quadri I, 2000 | Acrilico su tela applicata su tavola | $725 | Martini Studio d'Arte | Oct 2025 |
| 9 | Untitled, 1998 | Cut out | $664 | Galerie Bernaerts | Nov 2021 |

**Top auction records: prints & editions**

| # | Work | Medium | Price | House | Sold |
|---|---|---|---|---|---|
| 1 | Sans titre (lithographie), 1978 | Lithograph | $1,066 | Sotheby's | Feb 2021 |

**Median price by medium (last 24 months, n ≥ 5)**

| Medium | Sales | Median |
|---|---|---|
| Paintings | 7 | $4,196 |
| Works on paper | 9 | $454 |
| Other | 6 | $436 |
| Prints | 10 | $253 |

**Median price by size (last 24 months, n ≥ 5)**

| Size | Sales | Median |
|---|---|---|
| Medium (50-120 cm) | 9 | $1,249 |
| Small (under 50 cm) | 21 | $396 |

Data as of 2 November 2026 · Source: OpeningBid, 100 results from 12 houses · [How we compute these figures](https://www.openingbid.art/methodology/price-data)


Gilbert Decock is a Belgian artist with 135 auction lots recorded since 2013, median price $1,080. Some sold prices are hammer-only and exclude the buyer's premium; they are marked on this page. Some sold prices are not yet verified as premium-inclusive or hammer, and are marked on this page.

A work by Gilbert Decock sold in 2026 for $4,496, according to OpeningBid's index of auction results.

**2 Gilbert Decock works are coming to auction** (as of 2026-11-02).

- [Gilbert Decock on OpeningBid](https://www.openingbid.art/artist/gilbert-decock?ref=kg:gilbert-decock) — follow free in the OpeningBid app for sale alerts.

## What is a Gilbert Decock work worth?

Across 97 sold lots tracked by OpeningBid, the median price of a Gilbert Decock work is $1,080.

The median Gilbert Decock work on paper sells for $976 across 31 lots.

The median Gilbert Decock painting sells for $4,147 across 34 lots.

The median Gilbert Decock print sells for $252 across 21 lots.

Small (under 50 cm) Gilbert Decock work on papers typically sell for $590–$1,387 (the middle half of 31 sold lots).

Medium (50–120 cm) Gilbert Decock paintings typically sell for $3,049–$5,491 (the middle half of 28 sold lots).

Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.

## Price breakdown by category

| Category | Lots tracked | Median price | Record price | Sell-through | Last sale |
|---|---|---|---|---|---|
| Prints & Editions | 22 | $252† | $1,715† | 95.5% | 2026-05-29 |
| Paintings | 44 | $4,147†‡ | $6,544† | 77.3% | 2026-01-21 |
| Works on Paper | 47 | $976† | $5,270† | 66% | 2026-05-29 |
| Sculpture & Installation | 6 | $1,736† | $8,079† | 50% | 2021-05-28 |
| Masterpieces (top of market) | 5 | $6,363†‡ | $8,079† | — | 2022-06-13 |

† hammer price — buyer's premium not included.

‡ reported price — whether it includes the buyer's premium is not yet verified.

Gilbert Decock's market splits by medium. Prints & Editions (22 lots) median $252 with 95.5% sell-through. Paintings (44 lots) median $4,147, record $6,544. That record lot sold for a hammer price of $6,544 (buyer's premium not included). A typical Gilbert Decock painting sells for around 16× the price of a typical print. At the top of the market (top 5% of sales, 5 lots) the median is $6,363.

## Price by size

### Prints & Editions

| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| small (under 50 cm) | 11 | $210–$356† | $252† | $1,715† |
| medium (50–120 cm) | 10 | $173–$295† | $249† | $1,066 |

† hammer price — buyer's premium not included.

### Paintings

| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| small (under 50 cm) | 5 | $294–$725† | $455† | $1,497† |
| medium (50–120 cm) | 28 | $3,049–$5,491†‡ | $4,236†‡ | $6,544† |

† hammer price — buyer's premium not included.

‡ reported price — whether it includes the buyer's premium is not yet verified.

### Works on Paper

| Size | Sold lots | Typical range (p25–p75) | Median | Record |
|---|---|---|---|---|
| small (under 50 cm) | 31 | $590–$1,387† | $976† | $5,270† |

† hammer price — buyer's premium not included.

Size is the work's longest edge. Cells appear only with at least 5 sold lots.

## Notable results

| Medium | Year | Price |
|---|---|---|
| Sculpture & Installation | 2018 | $8,079† |
| Paintings | 2022 | $6,544† |
| Paintings | 2021 | $6,363‡ |
| Works on Paper | 2016 | $5,270† |
| Works on Paper | 2017 | $2,619† |
| Sculpture & Installation | 2021 | $1,736 |
| Prints & Editions | 2017 | $1,715† |
| Prints & Editions | 2021 | $1,066 |

† hammer price — buyer's premium not included.

‡ reported price — whether it includes the buyer's premium is not yet verified.

The highest recorded result in each medium. The full sale history is in the OpeningBid app (free sign-up).

## Frequently asked questions

### What is a Gilbert Decock worth?

Across 97 sold lots tracked by OpeningBid, the median price of a Gilbert Decock work is $1,080. The median Gilbert Decock work on paper sells for $976 across 31 lots. The median Gilbert Decock painting sells for $4,147 across 34 lots. The median Gilbert Decock print sells for $252 across 21 lots. Small (under 50 cm) Gilbert Decock work on papers typically sell for $590–$1,387 (the middle half of 31 sold lots). Medium (50–120 cm) Gilbert Decock paintings typically sell for $3,049–$5,491 (the middle half of 28 sold lots). Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.

### What is the average price of a Gilbert Decock work on paper?

Based on 31 sold lots tracked by OpeningBid, the median auction price of a Gilbert Decock work on paper is $976. Some prices are hammer-only and exclude the buyer's premium.

### What is Gilbert Decock's most expensive work on paper?

The highest price recorded at auction for a Gilbert Decock work on paper is $5,270. That record lot sold for a hammer price of $5,270 (buyer's premium not included).

### What is the average price of a Gilbert Decock painting?

Based on 34 sold lots tracked by OpeningBid, the median auction price of a Gilbert Decock painting is $4,147. Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.

### What is Gilbert Decock's most expensive painting?

The highest price recorded at auction for a Gilbert Decock painting is $6,544. That record lot sold for a hammer price of $6,544 (buyer's premium not included).

### What is the average price of a Gilbert Decock print?

Based on 21 sold lots tracked by OpeningBid, the median auction price of a Gilbert Decock print is $252. Some prices are hammer-only and exclude the buyer's premium.

### What is Gilbert Decock's most expensive print?

The highest price recorded at auction for a Gilbert Decock print is $1,715. That record lot sold for a hammer price of $1,715 (buyer's premium not included).

### What is the average price of a small Gilbert Decock work on paper?

Based on 31 sold lots, the median auction price of a small Gilbert Decock work on paper (small (under 50 cm)) is $976, according to OpeningBid's index of auction results. Some prices are hammer-only and exclude the buyer's premium.

### What is the average price of a medium Gilbert Decock painting?

Based on 28 sold lots, the median auction price of a medium Gilbert Decock painting (medium (50–120 cm)) is $4,236, according to OpeningBid's index of auction results. Prices are premium-inclusive where the house records them; hammer-only prices exclude the buyer's premium, and some prices are not yet basis-verified.

### What is Gilbert Decock's auction record?

Gilbert Decock's auction record is $8,079, set in 2018. That record lot sold for a hammer price of $8,079 (buyer's premium not included).

---

Data last updated 2026-11-02. OpeningBid tracks 15,390,829 auction lots from 577 auction houses, refreshed nightly.

Cite this page as: OpeningBid, “Gilbert Decock auction prices”, https://www.openingbid.art/artist/gilbert-decock (updated 2026-11-02).

Historical auction data, not investment advice. Prices are premium-inclusive USD where the buyer's premium is recorded. Figures marked † are hammer prices (buyer's premium not included); ‡ marks a price whose basis is not yet verified. Non-USD results are converted at the sale month's rate.