There are people who think they are the most valuable pieces of jewelry made from platinum that the gold although there are others who prefer the gold which was considered more resistant as platinum.
The advantage is that the platinum is naturally white unlike gold which is yellow. This means that to convert gold into white gold must be alloyed with other metals; it is not necessary to do with Platinum which is a 95% pure, unalloyed and therefore never fade or lose gloss but will develop a beautiful patina with the passage of time. Platinum is also hypoallergenic and gold is not, what is important to note for people with sensitive skin.
The pl hit upon is used in jewelry since long before the gold, and evidence that can last more than a life thus becomes a secure environment for gemstones so it is used very often in engagement rings. Another of its characteristics is that it is possible to burn it without danger of altering it.