Simply because - their rarity, and process of refining makes them expensive metals. Owning gold or platinum jewellery implies the wearer has an amount of wealth.
Rare and Shiny
Many different metals are used. Jewelry is often based on certain expensive metals such as gold, platinum, or silver, but other metals are used as well.
Gold or Platinum is usually used in expensive jewellery. And base metals, even plastics, in cheap costume jewellery.
Platinum is used in many jewellery.
Many metals have been used for jewellery. Chiefly gold, silver, platinum, copper (in ancient times).
since they are less reactive than other metals.. they are used to make jewellery
The answer to this question is gold. Gold is one of most expensive metals in the world. This answer was answered by tom hills of falmouth... waii
Making jewellery, coins, uses in electronics, art, medicine, dentistry, etc.
Gold or silver or gemstones or platinum or glass or plastic - all used at times to make jewellery.
Platinum is a naturally white metal, is more durable and dense, it does not require rhodium plating to keep it white. When it comes down to buying a platinum or white gold/gold for ring, it all depends on your taste and budget.
Gold, silver, platinum, carbon (diamond)
Platinum.