ALT/FNDATA · Market Report
Q1 2025 Report: The Secondary Market for Fine Jewelry & Gems
Auction-realized prices and the luxury-equity backdrop
A quiet quarter between the Geneva flagships: the regional and London books carried the period, diamonds anchored the value, and the market held its level like-for-like as the listed luxury majors split between a January rally and a spring de-rating.
The headline
The correction in three numbers
$20.0M
Q1 2025 auction value
Across 10,857 sold lots; like-for-like value +8% vs 2024 (gross −26%)
$324,324
Top lot at Christie's London
A diamond ring; the March sale carried the quarter
$10.2M
Diamond value
Diamonds anchored the quarter, ahead of $1.5M of sapphires
Auction-realized prices: what fine jewelry and gemstones actually sold for at the hammer, not asking prices. · 15M+ auction results · 850+ houses.
The read
What the data shows
ALT/FNDATA Q1 2025 report on the secondary market for fine jewelry & gems: a quiet between-flagships quarter. $20.0M cleared across 10,857 lots; like-for-like value held +8% as Christie's London led, topped by a $324,324 diamond ring. Diamonds anchored; the jewellery maisons stayed resilient. Free headline data; full report by email.
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The headline data above is free to cite. The full report is part of ALT/FNDATA Membership, which includes every quarterly market report and the Visual Analytics Hub. Inside this report:
- The full month-by-month auction breakdown (January to March)
- The luxury-equity backdrop: the January rally and the spring de-rating
- What the value was made of: diamonds and colored stones
- Methodology and how to cite the data
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Source: ALT/FNDATA, “Q1 2025 Report: The Secondary Market for Fine Jewelry & Gems” (June 2026). Based on auction-realized prices for fine jewelry and gemstones cleared at the auction houses ALT/FNDATA tracks, with public-market context from Q1 2025 luxury-equity performance. © 2026 ALT/FNDATA · altfndata.com/reports/jewelry-gems-market-report-q1-2025