Engagement ring as a fiancee woman wear, wedding ring, with both men and women want to wear it. The woman to wear a wedding ring and the engagement ring at the same time. A man's wedding ring is usually a concise design, engraved with the words of the memorial, won't appear too fancy. The wedding ring is chic, of course, some of women. Whatever type of wedding ring is, it is to follow your life's treasures. If you are considering buying a diamond wedding ring, the first thing to know, this kind of precious stones can be inlaid with different types of precious metals. Not all women are like and is suitable for the same kind of precious metals. The material of diamond ring can be silver, gold, platinum, etc. , if you like more rare precious metals, value higher quality, so you'd better choose gold or platinum. Gold has three options: platinum, gold and rose gold. The difference between the three gold after all where is it? The answer is that they alloy! In general, they are 75% pure gold ( 100% pure gold, because is too soft 'cannot be used for gems) , blended with 25% of other different kinds of precious metals, such as copper and silver. This is what we call the 18 K gold. 18 k gold alloy, the content of the content of copper and silver are the same. 18 k rose gold alloy, only contains copper, not silver. In the 18 k platinum alloy, containing 10% of silver, and 15% copper. It is due to the different proportions of different metals, 18 k gold can present different color. One thing to know is that whether you buy platinum diamond ring, diamond ring in gold or rose gold diamond ring, the price is the same. The price of the ring, determined by the natural features of the gold weight and diamond.