Platinum jewelry is expensive because it is a rare and dense metal that requires specialized mining and refining processes, which add to its production costs. Additionally, platinum’s unique properties, such as its high resistance to corrosion and heat, make it ideal for use in jewelry and other industrial applications, further increasing its value.

Platinum jewelry is more expensive than other types of jewelry due to several reasons:

1. Rarity: Platinum is a rare and valuable metal, and it’s estimated that only around 160 tons of platinum are mined each year. This scarcity makes it more expensive than other metals like gold or silver.
2. Density and Durability: Platinum is a dense and durable metal, which makes it more difficult to work with and requires specialized equipment and techniques. This, in turn, increases the cost of production, which is reflected in the price of the final product.
3. Purity: Platinum used in jewelry is typically 95% pure, compared to gold, which is usually between 14k-18k or 58.5% – 75% pure. This higher purity means that more platinum is required to make a piece of jewelry, making it more expensive.
4. Prestige: Platinum has long been associated with luxury and prestige, and many people are willing to pay a premium for jewelry made from this precious metal.

Overall, the rarity, density, durability, purity, and prestige associated with platinum make it a highly desirable and expensive material for jewelry making. However, its high value also makes it a worthwhile investment, as platinum jewelry can retain its value over time.