International News
US jewellers warn Congress of harm from new sanctions on Russian diamonds
US jewellers have warned Congress of the harm that new sanctions on Russian diamonds will cause for the entire retail sector.
The trade association Jewelers of America (JA) met with a dozen Democratic and Republican lawmakers in both the House and Senate to voice concerns over the 1 September restrictions that will require all goods of 0.50-scts and above to enter G7 countries via Antwerp for verification.
JA said it continues to staunchly support efforts that will keep diamonds of Russian origin out of the supply chain, including the more stringent U.S. Customs and Border Patrol requirements that went into effect on 1st March. However, the proposed adoption of an exclusive physical verification and certification system in Belgium for all rough diamonds would cause maximum damage to the global diamond and jewellery supply chain, while having minimal effect on Russia’s diamond revenues.
They say a single import channel will “cause maximum damage to the global diamond and jewelry supply chain, while having minimal effect on Russia’s diamond revenues”.
JA is urging all its members to lobby Congress and explain that the way the restrictions are being implemented will hurt jewellery businesses.
“JA has been working tirelessly behind the scenes and this visit to Washington, D.C. was a critical step to ensure we minimize unnecessary disruptions to the U.S. diamond industry,” said JA president & CEO David J. Bonaparte.
International News
Sotheby’s To Sell $15m Collection Of 300 Vintage Cartier Watches
300 Vintage Cartier Watches Offer An Exhaustive Retrospective Of The Maison’s Horological Mastery
Sotheby’s is proud to announce the landmark auction of “The Shapes of Cartier: The Finest Vintage Collection Ever Assembled.” Amassed over 25 years by a single visionary connoisseur, this unprecedented collection of more than 300 vintage Cartier watches offers an exhaustive retrospective of the Maison’s horological mastery, from its early 20th-century origins to its most avant-garde mid-century experiments.
With a total estimated value exceeding $15 million, the collection will be offered in stages across Sotheby’s “Important Watches” sales in Hong Kong, Geneva, and New York. The journey begins on April 24 in Hong Kong, perfectly timed to coincide with the heightened global focus on luxury watchmaking during the upcoming Watches and Wonders Geneva.
Cartier has long been defined by its “shape-led” philosophy, prioritizing distinctive silhouettes—the Tank, Santos, and Panthère—that have become cultural icons. This collection highlights the specific, rare outputs of Cartier’s historically independent workshops in Paris, London, and New York, focusing on the era when the brand’s creativity was at its most experimental.
The headline lot of the Hong Kong sale is a 1987 Cartier London Crash in yellow gold. Believed to be one of only three examples produced that year, this legendary asymmetrical model—a symbol of “Swinging Sixties” nonconformity—is estimated to fetch between $400,000 and $800,000.



Other notable pieces include:
- Cartier Decagonal, London (1970–71): A rare 10-sided yellow gold watch. Estimate: $60,000–$80,000.
- Tank Asymétrique, London (1992): An 18k white gold parallelogram-shaped case. Estimate: $60,000–$80,000.
- Cartier Driver’s, London (1966–67): A deeply curved rectangular design for ergonomic wrist placement. Estimate: $50,000–$80,000.
- Cartier Octagonal & Baignoire Variations: Elusive silhouettes reflecting the meticulous craftsmanship of the London workshop.
This auction arrives amid a significant surge in the global market for pre-owned and vintage luxury watches. Current projections value the global luxury watch market at approximately $62.3 billion in 2026, with the high-end pre-owned segment expected to reach $45 billion by 2030.
Driven by an annual growth rate of 9.2%, collectors across all generations are increasingly viewing rare heritage pieces not just as fashion statements, but as stable, long-term investments. “The Shapes of Cartier” represents a rare opportunity for enthusiasts to acquire pieces that bridge the gap between historical significance and modern desirability.
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