Diamond certificates, or grading reports, are independent documents that provide extensive information about the quality of a diamond. Along with carat weight, measurements, clarity grade, and color grade, EGL USA diamond certificates contain detailed information about cut quality. Click here to see a sample certificate.

A diamond is made entirely of carbon (just like the graphite in a pencil). But, while graphite is very soft, the carbon atoms in diamond form in such a way as to create the hardest known substance. This special structure allows diamonds to take a superior polish and project more brilliance than any other natural colorless gemstone.

A diamond which was examined and graded by GIA, the Gemological Institute of America. The results of the examination are printed onto certified document and accompany the stone for verification of quality.

Yes, absolutely, of course! Each main center diamond has already been rigorously examined and analyzed by EGL / GIA, the industry’s most accepted and trusted institutions worldwide. An authenticity guarantee and the original diamond certificate will match with your diamond and only your diamond. To learn more about what a diamond certification is, what one looks like, and why a diamond certificate is so important, click here. United Diamonds Inc. only uses genuine certified diamonds.

Should you ever misplace your original diamond's certification, simply contact our customer service department for assistance. Diamond certificates are issued by the EGL / GIA institution only. We can help by contacting the institution on your behalf to order a duplicate.

Diamond certificates provide important information about the quality of a stone, however this information can be confusing to an untrained person. There are also several different diamond certification systems operating in various parts of the world, including one in the United States and two in Europe. These systems are not always comparable. A trained valuer can help explain the certificate and interpret it for you.

SHAPE AND CUTTING STYLE: Is the cut or face-up outline of a stone. Common shapes are round brilliant, marquise, pear, oval, heart and square. DIAMETER: Is measured in several places; it is the smallest to largest measurement in millimeters from one edge of the diamond to the other side (girdle to girdle). GIRDLE: The outer edge of the diamond. It can be very thin to very thick and can be faceted and polished.

Diamond certificates are available in many forms, generally on diamonds larger than a third carat and are extremely important. A diamond certificate is the only way of assuring the quality of your diamond. That said, it is also important that the certificate comes from a recognised diamond laboratory.

This will vary by company. Some are not detailed and are very ambiguous. Great care should be taken to insure that the grades listed are the grades received. To insure the best results specify that you receive a certificate from one of the following, (GIA, EGL, HRD, IGI). The first three will identify the grade of the diamond but do not address value. Generally, these three are used for loose stones.

Each GIA certified diamond of less than one carat in size has its unique certificate number microscopically laser inscribed into its girdle, meaning that there can never be any doubt that the diamond and certificate are one of the same. DeJoria also offers this service on other certified diamonds as well at the point of valuation. It is not possible to see this inscription with the naked eye, and extremely difficult to see even with a 10x magnifying loupe.

Anything that cuts grease will help remove the build-up of oil and dirt from a diamond. Commercially prepared jewelry cleaner is perfectly suited for this purpose as is dish detergent and a bit of ammonia. Other gems may require different cleaning procedures, especially opals, pearls, emeralds, turquoise, and other soft and porous stones. Ask your retail jeweler the best way to clean any stone in question.

They are guaranteed in writing to never experience a color change. Other simulants have metabolic pinpoint inclusions that implode, leaving the stone with a color change. Harder / more durable. Cuts glass. Like a natural diamond RBs can be personally laser inscribed. Heat of the laser will not affect the integrity of the stone.

Even though diamonds are extremely hard, they can still be damaged from abuse. Diamonds can scratch each other and all other gemstones, such as sapphires, rubies, emeralds, and pearls. Store your diamonds away from other gems in your jewelry box and don't wear any valuable gemstones while doing hard work.

Some diamonds with surface reaching factures are filled with a glass-like compound to make them look better. Like cosmetics, this process merely improves the appearance of the diamond compared to what it would look like without the treatment; it doesn't improve the clarity of the diamond. It's a legitimate process but jewelers are required by law to disclose whether a particular diamond has been treated.

Diamonds can be purchased from many sources and many different dealers, but the key is to buy from a professional jeweler. Some people like the experience of dealing with a traditional family jewelry, while others want the convenience of shopping several jewelers located together in a mall or jewelry exchange. Today, shoppers can even buy a diamond from Internet websites.

Is there a list of reputable companies on the internet selling good quality diamonds at wholesale pricing.