Replacement Zircon Crystal Jewel Stone Compatible with Cartier Ballon Bleu 

Restore the signature crown detail of your watch with this replacement zircon crystal jewel stone, designed for crowns compatible with the Cartier Ballon Bleu series. This decorative stone is fitted into the crown and is a defining aesthetic element of the Ballon Bleu design.

Crafted from high-quality zircon crystal, it offers excellent clarity, brilliance, and durability, closely resembling the original appearance when installed. The stone is produced to match the typical size and seating profile used in Ballon Bleu crown settings, ensuring proper fit when fitted by a qualified watch technician.

This component is ideal for replacing a missing, chipped, or damaged crown jewel during servicing or restoration work.

(Compatible replacement part — brand names used for identification purposes only.)