Precious gems Are Forever

November 21, 2020 0 Comments

To begin our feature on different types of gem stones, we will start with the best and most popular gemstone of them all the diamond. The diamond is the ultimate gemstone. It has very few weaknesses and many strengths. It sparkles with its extraordinary value and sentimental value. It is used in wedding rings to represent endless like or used as gifts/jewelry to be given to loved ones. But the diamond is so much more than its eternal elegance.

The diamond derives its title from the Greek work adamas meaning unbeatable. In hardness, there is no evaluation.
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The diamond rates in the Mohs scale a 10 which is the hardest substance on Earth. Its cutting level of resistance is 140 times that of the ruby and sapphire, the gemstones(Corundum) that are next in the Mohs level in hardness. The diamond’s optic properties such as luster and rigidness make it unique and easily recognized from other imitations. Enjoy!

*History associated with Diamonds
The first recorded diamond goes back around 800 B. C. in India. Some believe it even dated back 6, 000 in years past. The diamonds were used as decorative purposes and also as talismans to ward off evil and provide security in battle. During the Dark Age groups, diamonds were even stated to be used as a medical aid. Religious doctors even told patients that if they hold a diamond in a hand and make the sign of the combination would, it would cure and sickness and heal wounds.

Diamonds grew to become more popular during the 19th century due to discovery of diamond deposits within South Africa. This discovery leads to increased supply, improved cutting and polishing techniques, and growth in economy. In 1979, geologists found the Argyle pipe in Australia which to this date may be the richest diamond deposit in the world. Argyle, since then, alone is responsible for supplying over one third of the world’s diamonds every year.

*Diamonds: How are they formed?
Diamond jewelry consists of an allotrope of carbons that are formed in high-pressure, high-temperature conditions. Diamonds are produced ninety miles under the Earth’s surface on temperatures of about 2200 degrees Fahrenheit (f). Diamonds are formed deep within the earth and eventually, over extremely a long time, push their way to the globe’s surface, usually through volcanic breakouts.

The age of these diamonds from beneath the surface of the earth are through 1 to 3. 3 billion dollars years old! When diamonds are formed and begin their ascent to the globe’s surface, they go through channels in which the magma from the volcano rises towards the surface, picking up diamonds along the way and eventually depositing them on the surface, where these are eventually found and mined.

*The 4 C’s of Diamonds
There are four distinct characteristics that determine the value and quality of a diamond. These are the color, cut, clarity plus carat. Otherwise known as the 4 C’s of a diamond. In the following, we are going to talk about these features in detail.

In the last newsletter, we touch based on the color of gemstones as being the most important feature due to the fact that color is the most apparent feature. The perfect diamond should show up clear and colorless but this is not the case for all diamonds. Diamonds can come in any color of the rainbow most common color is a shade of yellow or brown. The Geological Start of America(GIA) have devised the guideline to grade diamond color. This guideline consists of a lettering system that ranges from the alphabet G – Z. Please see below:

No Colour
Nearly Colorless
Faintly tinted, can’t hardly be seen plus usually yellow in color
Lightly tinted, usually yellow. Can be seen with all the naked eye
S T U V W X Y Unces
Tinted, starts from yellow and progresses to brown

The cut a diamond is determined by the diamond’s proportion such as its shape, width and depth. The slice determines what is called the diamond’s “brilliance”. Even if the diamond itself has ideal color and clarity, with a poor cut the diamond will have the dull brilliance. This is because the slice determines how light travels within the diamond. The Gemological Institute associated with America has also devised a clarity grading system to rank diamond clarity. This grading system consists of Flawless (Fl), Internally Flawless (IF), Very Slightly Included (VV1 or VV2), Very Slightly Included(VS1 or even VS2), Slightly Included(SI1 or SI2), and Included(I1, I2, and I3). Although this system had been contributed towards the diamond industry, it is not widely used. The main reason for this is the fact that it took a lot of practice and training to integrate this.

The cut a diamond is determined by the diamond’s proportion such as its shape, width and depth. The cut determines what is called the diamond’s “brilliance”. Even if the diamond by itself has perfect color and clarity, with a poor cut the diamond will have a dull brilliance. The reason being the cut determines how lighting travels within the diamond.

There are three or more types of cuts that can determine the particular diamond’s brilliance. These are a shallow cut, a cut that is too deep and ideal cut. A shallow cut is a cut of a diamond that is too low, that light traveling through it is lost on the bottom of the stone and does not come back into sight. This cut the diamond appear lifeless and boring. A cut that is too serious is a cut that is too high, that will light traveling through it escapes through the sides and darkens the stone. An ideal cut is a perfect lower on a diamond that reflects light to the top of the stone, giving it perfect brilliance.

As stated on the last newsletter, a single carat(ct) weighs about 200 milligrams or. 2 grms. For smaller carat diamonds that will weigh less than a carat, it is portrayed as points (pt). Points are usually 1/100 of a carat. Carat fat of a diamond is important due to the fact that will larger diamonds are rarer compared to smaller ones, so basically the larger the diamond the more expensive it is. There is no standard grading system or even diagram that can show different carat weight. This is because there are so many variations associated with diamonds in shape and cut, that makes stones of similar weight, appear different.

*Imitation Diamonds
Since diamonds are the most valuable and rarest of all the gemstones, efforts have been made to duplicate or even enhance diamonds using more affordable alternatives. A lot of times, honest mistakes are actually made and these alternatives or additional gemstones such as spinel were occasionally confused with real diamonds. In some cases, some dishonest people try to sell these alternatives to misfortunate buyers to be able to profit. Below we will discuss about these alternatives and ways to recognize them.

*Synthetic Diamonds
Synthetic diamonds are diamonds that are grown stated in a laboratory. The first known cases of diamond synthesis were stated to be documented between 1879 – 1928, but this was never confirmed. It wasn’t until the 1940’s where research began in the United States, Sweden, Soviet Union started researching. Synthetic precious gems are otherwise known as High Pressure High Temperature (HPHT) diamonds or Chemical Water vapor Deposit (CVD) diamonds. The name of both these synthetic diamonds derives from the procedures used to create them. Some of these synthetic diamonds could either have better, lesser or similar characteristics than that of a diamond. Therefore , these types of synthetic diamonds are used for abrasives, trimming and polishing tools, and switches in power stations.

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