ALT/FNDATA · Market Report
Q2 2025 Report: The Secondary Market for Fine Jewelry & Gems
Auction-realized prices and the luxury-equity backdrop
The year's flagship quarter: the Geneva Magnificent Jewels sales drove auction value up sharply, colored stones and historic colored diamonds led the top, and the high-jewelry market stayed resilient even as the broader luxury equities de-rated.
The headline
The correction in three numbers
$202.3M
Q2 2025 auction value
Across 13,308 sold lots; +37% gross and +68% like-for-like vs 2024
$13.98M
Top lot: the Marie-Thérèse Pink
A historic colored diamond at Christie's; the Geneva May sales led
$45.4M
Sapphire value
Colored stones led, behind $94.9M of diamonds; rubies added $22.6M
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 Q2 2025 report on the secondary market for fine jewelry & gems: the Geneva flagship quarter. $202.3M cleared across 13,308 lots, up 37% gross and 68% like-for-like, led by a $13.98M Marie-Thérèse Pink diamond and a $11.3M Blue Belle sapphire. Colored stones strong; the jewellery maisons stayed resilient. Free headline data; full report by email.
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Read the full report
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 (April to June)
- The luxury-equity backdrop: the jewellery maisons vs. the broader de-rating
- What the value was made of: diamonds, sapphires, rubies and emeralds
- Methodology and how to cite the data
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Source: ALT/FNDATA, “Q2 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 Q2 2025 luxury-equity performance. © 2026 ALT/FNDATA · altfndata.com/reports/jewelry-gems-market-report-q2-2025