People have probably used tourmaline as a gem for centuries, but until the development of modern mineralogy, they identified it as some other stone (ruby, sapphire, emerald, and so forth) based on its coloring.

Pink Tanzanite (or Pink Zoisite, to give it its scientific name) is the rarest of all Tanzanites. It is very seldom mined or seen and fine pieces are hard to get. The cause of color in Pink Tanzanite is thought to be trace elements of Manganese as opposed to Vanadium which colors the blue variety of Zoisite.


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Orange Tanzanite (or Orange Zoisite in correct gemological nomenclature) is mined occasionally. It is a rare form of the mineral Zoisite and fine specimens are not easily available. Unheated Tanzanite can look a little orange prior to heating but is not the same thing as a bright orange fancy color. These pieces carry an open, bright, intense orange that is coveted by collectors.

Here is the most important stock of natural colored loose diamonds which comes from the largest diamond exchanges in the world. You can buy your colored loose diamond at wholesale price. Buying and selling GIA, HRD or IGI certified fancy color diamond has never been easier.

Tables showing degrees of intensity of the principal colors for colored diamonds (from the least intense to the most intense). Please note that the colors in these tables are only approximate:Yellow ColorFancy Light YellowFancy YellowFancy Intense YellowFancy Vivid Yellow


Blue ColorFancy Light BlueFancy BlueFancy Intense BlueFancy Vivid Blue


Pink ColorFancy Light PinkFancy PinkFancy Intense PinkFancy Vivid Pink


Green ColorFancy Light GreenFancy GreenFancy Intense GreenFancy Vivid GreenFactors that influence the price of a colored diamond (listed in order of importance):The diamond's color intensity and saturation.The rarity of the diamond's color or weight.The presence or absence of a second color, for example: Fancy Brownish Yellow or Fancy Greenish Yellow, etc.The diamond's cut shape.The diamond's weight in carat.The diamond's degree of clarity.If you would like to receive personalized advice, call us at 1-800-700-2160 (Toll Free) or 1-302-722-6172.Our Diamond and Jewelry Experts will be delighted to assist you and guide you as objectively as possible in making your choice.

Fancy Color diamonds are a world apart in the diamond industry. Indeed, there are a multitude of color combinations for this category of diamonds. For example, a yellow diamond can have a single hue (Fancy Yellow or Fancy Vivid Yellow) or a combination of hues (Fancy Greenish Yellow or Fancy Yellow Brownish).

It is more difficult to calculate the price of a colored diamond because there are no price lists like the Rapaport (for colorless diamonds). The price of colored diamonds is therefore established on other criteria, such as the rarity of the diamond's color, the intensity of the color, its weight, its cut shape, etc.

If you want to buy a Laboratory Grown Diamond, you will pay it 3 to 10 times cheaper than a mined diamond. You can also purchase a Fancy Color Laboratory Grown Diamond, you will pay it 10 to 500 times cheaper than a mined colored diamond. Lab Created Diamond is a man-made diamond, it is a diamond that has the same properties physical, chemical and optical than mined diamond.

You should access the main filters (see picture below) by default, which will allow you to choose your preferred diamond shape. You may select several shapes at the same time, or all of them. You may also use different sliders in order to filter diamonds by weight, color, clarity, and price.

While a lot of people consider diamonds as glimmering, colorless gems, some rare diamonds have magnificent color. These colored diamonds are called Fancy-Color Diamonds. Occasionally nature will get creative and produce a diamond with almost magical colors: blue, pink, deep yellows and even green hues. And sometimes man intervenes to enhance or create color. Fancy-color diamonds are highly prized, but even more so if their color is the result of natural processes

Some years back I received a Natural Fancy Yellow diamond which was a poorly cut cushion shape. The request from the client was that I re-cut this into a properly cut cushion shape. The copy of the report stated that it was a natural Fancy Yellow. I called the client and informed him that the diamond does not have the body color of a fancy yellow. The calls went back and forth and with my last call before I started the work I sounded the warning; 'this is an M color.' He replied; 'cut the diamond, I will fight them on the color, they have to honor their former report!'

So how did this credible laboratory arrive at the color? This is what happened: The diamond in question had four natural yellow radiation stains on the girdle. The cutter decided to use geometric color induction to enhance the color of the diamond. By lowering the pavilion angle he caused the girdle of the diamond to reflect around the culet, creating the illusion that the diamond was fancy yellow. Yes the diamond looked marginally fancy yellow, but the body color suggested otherwise. It had the typical 'crushed ice' look of a fish eye diamond like the one at the top of this post.

Well, I went ahead and I re-cut the diamond into a beautiful and bright cushion with super light return. My client submitted it to the same laboratory with the original report. The answer came back after a while, you have guessed it 'M' color. When he challenged them, they answered that the diamond was substantially changed and it does not resemble the one they originally graded! Needles to say, that is what I expected. The 'reputable' laboratory failed to take the true body color of the diamond into consideration in the first instance and call it what it really was, an 'M' color.

Next time you purchase a fancy color diamond, have a close look. If you see the 'crushed ice' look, do not buy it as it is ethically wrong to pass this on to an unsuspecting consumer. Cutters that do this need to be punished with 'no sale' or deep discounts. Have a look at the TBC (true body color). If it does not exhibit similar saturation of color in the side and face up views, then pass. Should a client buy the crushed ice diamond from you and later decide to have it re-cut because of its lack of brilliance, (they always lack brilliance) your reputation would be on the line!

Diamonds that were mined like the regular diamonds, but their attributes were artificially enhanced to get a better-looking diamond. The purpose of treating natural diamonds is to preciously improve their quality by changing one or several of their characteristics, thereby increasing their value. Such treatments generally target color and purity.

When a diamond is exposed to a source of radiation, the location of atoms inside the crystal lattice changes, which will cause its color to change. This method applies to make different kind of colors. Color enhanced by this technique called treated color diamonds & laboratory mentioned "treated" in certificate as well.

We share the secrets of the trade with our partners through unique trainingseminars. Having this knowledge, buyers and sales-team alike change their sales approach to fancy color diamonds andacquire endless talking points.

Fancy colored diamonds refer to any diamond that has a hue other than white. While white diamonds are graded on a color scale from colorless (D) down to pale yellow (Z), fancy colors are graded based on the saturation of a specific hue. The most common fancy color diamonds are yellow, while the rarest color is red.

While the more common fancy yellow diamonds are priced in the same range as white diamonds (or a bit more), rare colors such as pink, red, blue, etc. can cost millions of dollars per carat if they have a vibrant color. These diamonds are incredibly rare, gorgeous, and in strong demand for luxury jewelry pieces or investment purposes.

One of the most common lab treatments performed on diamonds is taking cheap brown-colored diamonds and treating them with high pressure and high temperature in order to change their color to a wide variety of copies of natural fancy diamond colors. Other techniques include irradiation (exposing a diamond to high-energy electron saturation) and annealing (low-pressure heat treating).

Hue is most often described as a combination of two or more colors. When the first color is listed in an adjective form and the second color in a noun form (ie, Orangy Yellow), the first color is the modifying color and the second color is the primary color.

In this example, the stone is primarily yellow with a slight orangy tint. Occasionally, color is a 50/50 split between two hues. In such a case, the color will be listed as two nouns (ie, Orange Yellow).

Stones with pure colors without any modifiers are generally considered more rare and therefore more valuable. According the the GIA, there are only four publicly known pure Fancy Red (without any modifying colors) diamonds in existence in the world.

In the not too distant past, people looking to buy fancy color diamonds really only had one way to buy them. Until recently, these precious and rare diamonds were sold only through the highest end retailers throughout the world. Tiffany and Graff are but to name a few.

But furthermore, and this is the crucial point, there is very little competition in the fancy color diamond market. For ever 100 wholesale white diamond vendors, there might be 1 or 2 wholesale fancy diamond vendors.

For every 1,000 retail white diamond stores, there might be 1 or 2 stores that carry fancy color diamonds. So this utter lack of competition and basis of comparison of prices leads most dealers of fancy color diamonds to greatly inflate their prices. e24fc04721

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