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How to Avoid Buying a Fake Diamond

Posted by khcreations on March 10, 2009 at 8:30 PM Comments comments (0)
When purchasing a precious stone, your first line of defense against fraud is having the right information. Learn ways you can detect a fake diamond from a real one, and find out the most trusted places to buy diamond jewelry.

Buy Diamonds From Established Jewelers

The most important first step in buying a diamond ring and to avoid buying a fake is to purchase from a jeweler that you know and trust. You should look for someone who has a long standing reputation in the community, who is an established jeweler and is often times a member of the American Gem Society. To be a member of the American Gem Society you need to withhold certain standards and need to have certain credentials.

Assess the Diamond Reflection

When you are looking at a diamond versus a synthetic stone you will notice that diamonds reflect light differently. And often times with a synthetic stone when moved at certain angles you will find spots that have dead areas that are not reflecting light in the same way - which may be a little hard to tell on camera but in person you will be able to tell the difference. A diamond has a brilliance like no other stone, so when you are looking at a cubic zirconia or another man made type diamond it will generally look quite a bit different in person.

Examine the Diamond Up Close

The next step in looking at a diamond would be under a jeweler?s looth or a microscope, and under magnification of about 10 times natural vision you should be able to see some imperfections in most diamonds. As you are moving the stone around look for small black spots or white imperfections, this will tell you that the stone is not a synthetic.

Sapphire - The September Birthstone

Posted by khcreations on March 10, 2009 at 8:28 PM Comments comments (0)
Sapphires are members of the corundum family of minerals. They exist in nearly every color except red, because red corundum is always called ruby. One of the hardest minerals, sapphires are durable gemstones that have been in demand since ancient times.

Sapphire Hardness

  • 9 on the Mohs' scale; compare to diamonds at 10 and turquoise at 5-6.

Sapphire Colors

  • Cornflower blue is the most popular sapphire color, but all shades of blue are found

  • Sapphires exist in many other colors, including yellow, colorless, black, white, orange, pink, and brown

  • A variety of orangish-pink sapphire is called padparadsha, which means "lotus flower."

Sapphire Treatments

  • Heat treatment is commonly used to deepen sapphire color and improve clarity

Where Sapphires Are Found

  • Quality sapphires are found in Ceylon, Thailand, Australia, India, Burma, Africa, and Brazil.

Unusual Sapphires

  • Some sapphires are cut into cabochons (smooth domes) and produce a star with six rays that stretch across the sapphire's surface.

Synthetic Sapphires

  • Like many other popular gemstones, sapphires can be created in a laboratory. Some synthetic sapphires are difficult to distinguish from gemstones formed in nature.

About Stainless Steel

Posted by khcreations on February 14, 2009 at 12:55 AM Comments comments (0)

In metallurgy, stainless steel is defined as a steel alloy with a minimum of 10% chromium content by mass. Stainless steel does not stain, corrode, or rust as easily as ordinary steel (it stains less), but it is not stain-proof. It is also called corrosion-resistant steel or CRES when the alloy type and grade are not detailed, particularly in the aviation industry. There are different grades and surface finishes of stainless steel to suit the environment to which the material will be subjected in its lifetime. Common uses of stainless steel are cutlery and watch straps.

Stainless steel differs from carbon steel by amount of chromium present. Carbon steel rusts when exposed to air and moisture. This iron oxide film is active and accelerates corrosion by forming more iron oxide. Stainless steels have sufficient amount of chromium present so that a passive film of chromium oxide forms which prevents further surface corrosion and blocks corrosion spreading in the metal's internal structure.

what does nickel free means

Posted by khcreations on February 13, 2009 at 12:49 AM Comments comments (0)
Many times nickel, another hard metal known also as Ni, is placed between the coating and the silver because it facilitates the adherence and luster of the plating to the metal. When used in silver jewelry, this can cause irritation to those who are sensitive to nickel or have nickel allergies. For that reason, there is nickel-free jewelry available. 95% of our sterling silver jewelry is nickel-free and all of our nickel-free jewelry is clearly marked on the site.

Nickel Allergies On The Rise
...Nickel is a metal often present in certain jewelry components. Nearly 15% of the US population suffers from an allergy to nickel. This figure is up from 10% in the 80?s, due, it is believed, to the increased popularity of body piercing.

...People suffering from allergies to nickel have symptoms ranging from slight itching and redness of the skin to blisters at the area of contact. Actually, it is the nickel salts formed when the metal comes in contact with perspiration that cause the allergy. Once an allergy to nickel has been acquired, it is usually lifelong.

Ban On Nickel
...This problem is so prevalent that, since January 2000, the European Union has imposed a nickel ban on all jewelry sold there. The European nickel free standard states that items labeled ?nickel free? may contain no more than 0.05% nickel (no more than 1 part in 2000 that is nickel.)

Surgical Steel
...Surgical steel, often used in earring wires and advertised as hypo-allergenic, is NOT nickel free, usually containing 8% nickel. People with a slight nickel allergy may tolerate surgical steel earrings for a few hours or maybe even all day. But they may be so sensitive that even the buttons of their jeans cannot touch their skin. Why chance it? Unless specifically stated otherwise,

Sterling silver

Posted by khcreations on February 13, 2009 at 12:40 AM Comments comments (0)

Sterling silver is an alloy of silver containing 92.5% pure silver and 7.5% other metals, usually copper. The sterling silver standard has a minimum millesimal fineness of 925.

Fine silver (99.9% pure) is generally too soft for producing large functional objects; therefore, the silver is usually alloyed with either copper or titanium to give it strength, while at the same time preserving the ductility and beauty of the precious metal. Other metals can replace the copper, usually with the intent to improve various properties of the basic sterling alloy such as reducing casting porosity, eliminating firescale, and increasing resistance to tarnish. These replacement metals include germanium, zinc and platinum, as well as a variety of other additives, including silicon and boron. A number of alloys have appeared in recent years, formulated to lessen firescale or to inhibit tarnish, and this has sparked heavy competition among the various manufacturers, who are rushing to make claims of having the best formulation. However, no one alloy has emerged to replace copper as the industry standard, and alloy development is a very active area.

Storing Sterling Silver Jewelry

Store your sterling silver jewelry in tarnish prevention cloths or bags. The treated cloth slows down the tarnishing process and keeps the jewelry from rubbing against harder jewelry that can scratch it. Try to to keep your sterling silver jewelry in a cool, dry place.

Cleaning Your Sterling Silver Jewelry

Clean sterling silver with a phosphate free detergent. A low abrasive cleaner, such as 3M Tarni-Shield Silver Polish, is a good choice for removing light tarnish. Some people use toothpaste to clean their sterling silver, but most silver experts caution against it because they feel toothpaste is too abrasive and leaves dulling scratches.