Monday, 23 April 2012

Platinum Engagement Rings and Cathedral Engagement Rings

Platinum Engagement Rings and Cathedral Engagement Rings: PVD stands for �physical vapor deposition�, because gold is vaporized in a vacuum chamber and deposited on the intended piece of jewelry. When PVD is utilized with titanium nitride, a very hard material, it provides an extremely durable coating of gold, which is the reason it is used in medium to higher priced jewelry like solitaire engagement ring

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