The word cheap is a common misconception when people talk costume jewellery, a lot of people generalize costume jewellery as cheap plastics. But not all costume jewellery are the same, some costume jewellery are made from materials that are hard to find and a result hold a lot of value. But being familiar with the different types of materials is necessary if want to avoid getting ripped off.
A great example of rare materials are Bakelite jewellery which is an old kind of plastic which is highly sought after by collectors. Their value might not appreciate like precious metals or diamonds, they still hold value. A great way to see the value of Bakelite jewellery is doing a search in Ebay, you can see that age and quality of the design means a lot. Vintage Art Deco Bakelite jewellery from famous designers are like art work and are pricey. Although Bakelite became rare by accident, costume jewellery made from rare are automatically expensive from the start. Ebony wood from tropical countries are getting quite rare and their value increases further if they are mixed with precious metal or is made from a popular designer.
Costume jewellery can be a lot of fun in terms of the huge variety of materials but in the light of the recent economic crisis; gold, silver and platinum has skyrocketed in value. Having gold, silver or platinum on hand is becoming more attractive as inflation continuous to rise and countries keep printing money.
Precious metal is a commodity is often a safer bet compared to costume jewellery which can be compared to works of art. But like any works of art you have to make sure the artist was someone worth remembering.
Precious metals on the other hand holds its value regardless how ugly it may look. You can be sure about the value of precious metals which makes them a highly attractive as asset to hold in terms of crisis. They also last forever and can pass on to a family member or be exchange for hard currency in times of need.
Which ever type of jewellery you are looking for, the factors which determines its value ultimately depends on the demand. Do some research before you buy study the materials and always determine its authenticity.