Gold plating at the jeweler is probably the best way to go.
Try the website www.goldplater.com. They do professional gold and platinum plating.
This will depend on the material you are interested in plating with. As the price of gold goes up, even plating with gold will become more and more expensive. Plating with silver will be less pricey than plating with gold.
There are various plating services around the world, from what i have seen and found, the top places are: Ashley Jewlers, www.ashleyjewelers.com/services_plating.html and, Artisan Plating, www.artisanplating.com, and lastly Gold Plating Services, www.goldplating.com...
"Basically, plating services will take something you own and cover it with some sort of metal, usually gold or silver. It's a good way to preserve something that you cherish." Plating services are companies that will take something you own and plate it in gold. That's really all it is.
There are many jewelers in Provo, UT that offer gold plating services. A search engine can be used to find the nearest jeweler in your area.
Metal Finishing Group is located in Sacramento, California. They do gold, silver, zinc and tin plating. http://www.metalfinishinggroup.com/
There is no definitive "best" gold plating solution as it depends on the specific application and desired outcome. However, a commonly used gold plating solution is one that contains gold cyanide, which provides good conductivity, brightness, and durability. It is important to consult with a specialist or conduct thorough research to select the most appropriate gold plating solution for your specific needs.
Gold plating depends on the spot price of gold. Gold plating is extremely thin, but gold is expensive too.
Many metals can be used in plating, such as copper, nickel, silver, gold and chrome, which is often used on cars.
Elctroplated gold is gold plating on other metals. The object shines and looks as gold because of the gold plating. Anode and cathode are used for gold plating.
Local jewelers offer a wide range of services and can even repair damaged jewelry.
The 14k means that the plating is 14 karat gold. The "sgp" means that the item is silver with gold plating. What you have is a 14karat gold plated silver item. It is not gold, it is silver. The plating is not worth much, it's mainly for looks.