For many people, an engagement ring is the largest investment they've made thus far in their life. Aside from it's emotional value, it also can be of steep monetary value. Just like a home, you should appraise and insure an engagement ring.

1.Get an appraisal from an independent jeweler, not a gem lab report. A gem lab report is for an unmounted diamond and does not adequately appraise the value of a piece of wearable jewelry.

2.Read your insurance policy. If you currently have a homeowners or a renters insurance policy, read it to find out how much coverage it provides for your engagement ring and other jewelry.

3.Review your deductible. Some policies, depending on your location, may insure the engagement ring without a deductible.

4.Purchase a separate policy for your engagement ring. If your ring is of considerable value, you might want to consider purchasing a separate policy to ensure that it is adequately covered.

5.Take photos of your engagement ring. Having photos of your ring is helpful in the event of a loss.

6.Appraise your jewelry regularly. Reassessment of jewelry is necessary as the value may increase or decrease over time, depending on market conditions. Having periodic appraisals will prove to be helpful in the event your engagement ring is damaged, lost or stolen.

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History
While Tungsten Carbide has been used in tools since developed in Germany in 1922, Tungsten rings have become popular additions to the jewelry industry only recently. Its primary application remains in the mechanical industry, although it gaining popularity as durable and attractive jewelry.

Features
Tungsten is a hard and dense metal that is mined from Wolframite ore. It has the highest melting point of all metals at 6,100 degrees F and is very hard when combined with a carbon alloy.

Identification
Tungsten rings are light grey, the color of steel. They are very difficult to scratch or damage and retain their shine and polish much longer than other metals.

Significance
According to Tungsten World, tungsten rings make popular men's wedding rings. They can be plain and smooth, faceted, or inlaid with a band of gold.

Considerations
Tungsten is so hard when bonded with carbon that, according to Eternal Tungsten, the military uses tungsten for armor piercing ammunition. Tungsten World reports that tungsten is 10 times harder than gold, 4 times harder than titanium, and measures between 8 and 9 on the Mohs hardness scale.

Tungsten Jewellery Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-jewellery.com
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1.If you own a tungsten ring, you may want to change the mirror-polished surface to a brushed-looking surface. Tungsten is one of the hardest metals on the planet and is almost as hard as diamond. Traditional jewelry tools will not be able to etch tungsten, so you will need to use something stronger. Tools that are used to polish glass will also provide a brushed finish on your tungsten ring.

2.Secure the tungsten ring in a jeweler's vise. This will prevent it from moving and will protect your fingers from the grinding wheel.

3.Grind a test area. On the underside of the ring, grind a small test area to ensure that you are satisfied with the brushed finish that the grinding wheel creates.

4.Grind the entire surface of the ring. Since the tungsten is so hard, you do not have to worry about taking too much off the surface of the ring. In small, circular movements, grind the surface of the ring. When you complete one area, slightly turn the ring by adjusting it in the vise until the entire outer surface has been brushed.

5.Inspect the ring. If the grooves are deeper than you want, you can dull the surface slightly using polishing compound and a felt polishing wheel. Fit the rotary tool with the polishing wheel. While the rotary tool is running at a low speed, carefully dip the polishing wheel into the compound. Do not completely cover the wheel in compound. Using small, circular motions, cover small areas of the ring at a time, wiping off any excess compound with a rag. Polish the entire ring until the surface has the desired finish.

Tungsten Jewellery Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-jewellery.com
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An incredibly strong and dense metal, tungsten can be combined with ceramic to make rings and other fine jewelry. Tungsten ceramic rings are becoming a popular choice for many wedding bands due to their durability and beauty.

Identification
Tungsten is a steel-gray metal. When paired with tungsten, ceramic is often polished black for greater contrast.

Strength
When processed with carbon at high temperatures, tungsten forms tungsten carbide, the hardest metallic substance in the world. Tungsten ceramic rings have unmatched strength.

Tungsten ceramic polishes to a mirror-like finish. It's also highly resistant to abrasions and scratches. It would take deliberate scratching from diamonds or corundum to inflict any damage whatsoever.

Considerations
Tungsten ceramic rings, while nearly impervious to scratching, are not indestructible. Tungsten ceramic's hardness makes it slightly more brittle than traditional jewelry metals, meaning it can be crushed under severe stress.

Warning
Once manufactured, tungsten ceramic rings can not be resized due to tungsten's remarkable hardness.

Tungsten Jewellery Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-jewellery.com
Tel.: 86 592 5129696; Fax: 86 592 5129797
Email: sales@chinatungsten.com
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