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In the creation of fine jewelry there are several types of precious metals to choose from. The metals commonly used to make jewelry are gold, platinum, and sterling silver. By knowing more about these different metals and their unique qualities you will make a better and more educated decision when purchasing your jewelry. Below we feature information about each of these metal types: Gold, Platinum and Silver.
Throughout history, gold has been used for monetary systems and still today remains an important part of our economy. Gold has also become a popular precious metal that is used to make jewelry, because it can be molded, shaped and carved into intricate jewelry designs. Gold also does not rust, tarnish or corrode. Gold is mainly imported from South Africa.
Gold is the most popular choice for wedding and engagement rings, it is also very popular in right-hand rings, earrings, pendants, necklaces and bracelets. There are two things to consider when looking to purchase gold jewelry. First, which gold karat to choose and second, what color of gold color or combination of gold colors for the jewelry.
An interesting thing about gold, is that pure gold is rarely used in jewelry because it is so soft. Therefore, it is mixed with another metal, usually copper or silver, to make it stronger and more versatile. The amount of pure gold in an alloy, or mixture, is described in karats (different from the carat weight of diamonds and other gems). The higher the percentage of pure gold in an alloy, the higher the karat. Pure gold is 24K, and 10K gold is the minimum amount of pure gold that can be called karat gold in the United States.
There are several karats available for gold, see below:
While the karat weight drops, the metal becomes more durable, and also less yellow. There are times when a gold piece has a lower karat weight, that it is plated with high-karat gold to enhance the color. You must keep in mind, that gold plating does wear off with time and you may have to get it re-plated.
Yes, pure gold is yellow but is rarely used in its pure form because it is so soft. When gold is mixed with other metals it becomes more durable and the color can be changed from yellow to white, rose and even green. The reason why different colors of gold have been developed was to give a new and different look to jewelry. The most popular color of gold in jewelry is yellow gold, followed by white gold and then rose gold. Gold jewelry is also made using a combination of different gold colors. When more than one color of gold is used in a jewelry item it is called two-tone, three-tone or multi-colored gold jewelry.
The difference in color between yellow gold, white gold and rose gold is determined by the metals used in the alloy mix.
The karat weight system that is used for yellow gold is also used for white gold and rose gold. 18K yellow gold and 18K white gold have the same proportion of gold, but the remaining 25% of alloy is different.
The purity of gold is measured in karats, which should not be confused with the term carat, used to measure diamond weight. The higher the karat, the greater its gold content and price. The K number specifies how many parts, by weight, of pure gold is contained in 24 parts of the alloy. Gold jewelry should always be stamped with the karat mark, either 18k, 750 (European marking for 18k), 14k, 585 (European marking for 14k), or 10k. In addition, to assure its quality, the piece should be stamped with the manufacturer's trademark or country of origin.< p>
White gold is alloyed with nickel, copper, and zinc--and while it looks similar to platinum, it has a vastly different content. To give white gold its white luster, in the final process of manufacturing white gold is rhodium plated. Rhodium* is a shiny, white metal, which is quite hard and durable; however, over time the rhodium plating may wear away, revealing the slightly yellowish tint of the underlying metal. To keep white gold looking its best, it may require rhodium re-plating every 12 to 18 months, depending on wear. *A hard, durable, silvery-white metallic element that is used to form high-temperature alloys with platinum and is plated on other metals to produce a durable corrosion-resistant coating.
Also known as pink gold or red gold; is a mixture of pure yellow gold with a high percentage of copper. It has a very subtle and delicate color that may intensify somewhat with age due to a slight, but attractive, tarnishing of the copper. It is created by increasing the copper-colored alloys mixed with the gold and decreasing the silver-colored alloys. 14K rose gold contains as much pure gold as 14K yellow gold but, because of the increased copper, is slightly pinker in color. Rose gold is available in 9K, 14K and in 18K gold. Rose gold is very popular with vintage and halo settings. Rings, Pendants, Earrings and Bracelets can all be produced in the Rose Gold metal.
Platinum is considered the "new metal" - it is rare and pure. Platinum is generally 95% pure; it is sometimes mixed with a small amount of iridium and ruthenium to add strength. Platinum is stamped PT = 950 (95%) or PLAT=900 (90%) in the United States to indicate that it is platinum. Platinum's purity makes it hypoallergenic and ideal for those with sensitive skin. Platinum jewelry doesn't fade or tarnish and keeps its look for a lifetime. Precious metals can scratch and platinum is no exception. However, the scratch on platinum is merely a displacement of the metal and none of its volume is lost. When this happens, take your piece to a qualified jeweler to have it re-polished to a high gloss look. Platinum is the most popular and expensive metal available today.< p>
Palladium offers many of the same desirable characteristics of platinum but at a much lower price. It is as white as platinum and whiter than white gold. Palladium is lightweight, hypoallergenic, easy to finish and polish, it does not require rhodium plating, (like white gold), and is one of the whitest of all metals. Palladium is one of the "sister" metals of platinum and shares many of the same unique characteristics and physical properties of platinum.
950 Palladium jewelry typically contain 95% palladium and about 5% ruthenium and have trace amounts of other metals. The weight and feel of 950 palladium wedding band is very close to that of 14k white gold wedding band.
So why choose palladium? If your budget allows, platinum is still the king of all metals. However, palladium offers many of the same desirable characteristics of platinum but at a lower price.
Silver is a popular metal for use in jewelry such as earrings, pendants, bracelets, necklaces and certain rings. Silver is a softer metal than gold and platinum and is usually not suitable for wedding rings and engagement rings. Although it looks grey, silver is considered a white metal. Sterling silver is 92.5% silver and usually mixed with copper. Silver is prone to oxidation which can cause the silver to turn a blackish color. You can easily make silver look like new again if you use a silver jewelry cleaner or have it cleaned by a local jeweler. As you can see, precious metals are integral to any diamond and jewelry setting that you may choose. There are different metals to choose from according to your personal taste and budget!< p>
Rhodium is a silver-white metallic element, is highly resistant to corrosion, and is extremely reflective. It is used as a finish for jewelry. Rhodium is a so-called noble metal, resistant to corrosion, found in platinum- or nickel ores together with the other members of the platinum group metals. This plating helps prevent tarnishing, protects the metal for longevity.< p>
Does not readily corrode, rust or stain with water as ordinary steel does, but despite the name it is not fully stain-proof, most notably under low-oxygen, high-salinity, or poor-circulation environments. There are different grades and surface finishes of stainless steel to suit the environment the alloy must endure. Stainless steel is used where both the properties of steel and corrosion resistance are required. Stainless steel differs from carbon steel by the amount of chromium present. Unprotected carbon steel rusts readily when exposed to air and moisture. Very affordable often used in men’s jewelry.
As you can see, precious metals are integral to any diamond and jewelry setting that you may choose. There are different metals to choose from according to your personal taste and budget!