I will customize a small crown, and may consider going to Cartier for customization. Many crowns and necklace brooches of the British royal family were made in Cartier, and they were once known as jewelers of the emperor. Some British princesses also wear them, and the Queen of England once wore their jewels to weddings.

Further reading: the definition of jewelry

Jewelry has a broad sense and a narrow sense. Jewelry in a narrow sense refers to jade products. Jewelry in a broad sense should include jewelry, handicrafts or other treasures with certain value made of gold, silver and natural materials. Therefore, there was a saying of "gold and silver jewelry" in ancient times to distinguish gold and silver from jewelry.

With the development of social economy, the concept of jewelry should be extended to include gold, silver and jewelry besides natural gems and artificial products. The industries involved in these terms are collectively referred to as "jewelry industry". The scope of "jewelry" is much larger than that of "gem" in a broad sense. Gems in a broad sense generally refer to those raw materials suitable for polishing or carving into jewelry or handicrafts.