✦ The Tiffany RebuildNarrow moat

The Tiffany acquisition — $15.8 billion in January 2021, the group's largest ever¹ — has become the working proof of the LVMH machine, and the future bet is simply to keep running it. The arithmetic so far: Tiffany's revenue has roughly doubled since the acquisition; every store renovated to the new concept sells about 25% more; roughly a third of the network has been converted and already produces 42% of sales; high jewelry has tripled in four years while silver trinkets — the old Tiffany's volume engine and its brand ceiling — were deliberately shrunk by more than a third². The Landmark on Fifth Avenue, rebuilt for $350 million, is now the highest-revenue luxury store LVMH operates anywhere.

That last list is the entire playbook visible in one brand: buy heritage, evict the discount customer, move the offer upmarket, and let the flagship do the arguing. The division results say it is still working through the luxury winter — Watches & Jewelry grew 9% in the first half of 2026, accelerating to 11% in the second quarter, with Tiffany's Blue Book high-jewelry collection called out as the driver³.

What remains unproven is the ceiling. Cartier — the benchmark Tiffany is being rebuilt to challenge — remains comfortably larger in jewelry, and two-thirds of the store network still awaits conversion, capital and years. Watch the renovated-store uplift as the program reaches less glamorous locations, and watch high jewelry's growth rate: the tripling is the part of the story that cannot be renovated into existence — it has to be earned against Cartier every season.