For the 2004 Monaco GP, Jaguar installed diamonds on their cars worth £140k each. After a first lap crash, one of these diamonds went missing and was never officially found : r/formula1
The $400k Diamond That Jaguar Lost At The Monaco Grand Prix
F1 Mystery: What Happened to the Jaguar Diamond? - JaguarForums
10 of the best one-off Formula 1 car race liveries | Planet F1
Austrian Formula One driver Christian Klien drives his Jaguar during Monaco Grand Prix in Monte Carlo May 23, 2004. A diamond worth ?200,000 embedded in the nose cone of the Jaguar Formula
The Monaco Grand Prix, 'Ocean's Twelve,' and a $300k Missing Diamond | Barstool Sports
Sparkling sponsor for Jaguar
Motorsport Moments – Jaguar Racing discovers diamonds aren't forever in Monaco - Girardo & Co.
The Monaco Grand Prix, 'Ocean's Twelve,' and a $300k Missing Diamond | Barstool Sports
An F1 Team Lost a $250,000 Diamond at the Monaco GP, and It's Still Missing Today
Motorsport Moments – Jaguar Racing discovers diamonds aren't forever in Monaco - Girardo & Co.
Exploding icebergs and 'missing' diamonds - The Race
How to Lose a $300000 Diamond in an F1 Race - EssentiallySports
The diamond-nosed Jaguar is probably F1's dumbest idea ever | CarsGuide - OverSteer
An F1 Team Lost a $250,000 Diamond at the Monaco GP, and It's Still Missing Today
2004 Jaguar R5 Webber – formula143
Diamond Jaguar Open Gold Ring | BAHIA Fine Jewellery
A $300,000 crash for Jaguar F1 back in 2004 at Monaco GP