I got a photo frame, it consists phone of my friends with me. That photo was taken before my marriage.... I can't express how much happy I was by seeing it...

You will need specific tools to do the task, specially for prong settings, since it is the most delicate setting. Jewelers have these tools and specialization in doing it.

Zinc is used for making jewelry although very rarely. Have a look at some jewelry collection made up of zinc alloy:

One of the techniques used to clean white gold jewelry is using a solution of equal parts of ammonia and water. Soak the jewelry for approximately 15 minutes in the mixture and rinse it with warm water. This technique is not suitable for opals, pearls and some other gemstones.

White gold is formed when pure yellow gold is alloyed with nickel or palladium. These metals helps yellow gold to take up the color of white. Like yellow gold, white gold is measured in karats.

Besides jewelry, diamonds are used for industrial purposes. It is used to cut and polish other materials, including other gemstones. It is also used as coating for files and semiconductor coatings for microchips and computer processors. The diamond industry is also significantly important for economic trading.

Its difficult to say unless you reveal its characteristics. The value will moreover depend on the metal used in the jewelry.

Gold tone jewelry means a metal colored with gold. It doesn't contain actual gold and cannot be measured in karats. It is also called as gold plated or gold colored or Electroplated jewelry and also Cheap jewelry. -- Amy