Colorless diamonds. The majority of mined diamonds fall between white and pale yellow or brown; what is known as the normal color range. Diamonds of more intense color (usually yellow, but in some cases red, green or blue) are termed fancy color diamonds. Black diamonds are also fancy color diamonds.
What color are rough diamonds?
In this raw form, rough diamonds usually look like lumps of pale, colored glass. Although colorless or near colorless diamonds are a standard for cut, faceted, and polished diamonds, rough diamonds often carry some hints of color.
What’s a rough diamond look like?
Rough diamonds usually resemble lumps of pale colored glass. They often have an oily appearance and don’t sparkle. Very few rough diamonds are actually gem quality. Only those with the very palest colors, or are colorless will pass the test.
How can you identify a rough diamond at home?
Put the diamond under the loupe or microscope and look for rounded edges that have tiny indented triangles. Cubic diamonds, on the other hand, will have parallelograms or rotated squares. A real raw diamond should also appear like it has a coat of vaseline over it. Cut diamonds will have sharp edges.
What color is an uncut diamond?
Color and Uncut Diamonds
Most mined diamonds have a yellow or brownish tint, and the stronger it is, the less valuable the stone is. Diamonds with a less visible hue are more valuable. Colorless diamonds are very rare, and they command very high prices for this reason.
Are all rough diamonds clear?
Most rough diamonds have a pale yellow or brownish tint. The clearer the diamond, the more valuable, since the more transparent a diamond, the more difficult it is to find. However, those diamonds that are colored are very rare too, with red being the rarest of the colors.
Are rough diamonds in style?
But today, these diamonds are making their way into luxury jewelry. … Rough diamonds are fashionable in part because they are natural and unaltered. An additional factor in the rising popularity of rough diamonds is that they are generally less expensive than polished diamonds.
How can you tell a rough gemstone?
To check a rough gemstone’s streak, rub it across the back of a ceramic tile or similar unglazed material. The colored powder the stone leaves behind is called its streak. A gemstone’s streak is usually, but not always, the same as the color of the gemstone.
How do you tell if a diamond is real with a flashlight?
You can tell if a diamond is real with a flashlight when the diamond is observed to successfully separate light into spectral colors, where the fake comparison stone does not.
How can you tell if a stone is a diamond?
Lay the stone onto the dot with the flat side down. Through the pointed end of the diamond, look down onto the paper. If you see a circular reflection inside the gemstone, the stone is fake. If you cannot see the dot or a reflection in the stone, then the diamond is real.
How can you tell a real carbonado diamond?
Carbonado Diamonds are usually black or gray in color and irregular in shape. Upon close examination, their porous texture is usually obvious. They typically exhibit a luster that might be perceived as glassy, submetallic, or adamantine.
How diamonds look when they are found?
Diamonds found at the Crater are typically smooth and well rounded. Their shape resembles a polished stone with smooth sides and rounded edges. Size: The average size of a diamond is about the size of a paper match head, approximately 20-25 points weight.
How do you test a diamond with water?
Water testing your diamond
Get a glass full of water and simply drop your diamond into the glass. If the diamond is real, it will drop to the bottom of the glass due to the high density of the stone. If it’s a fake, it will float on the surface of the water.
Are rough diamonds valuable?
With few common inclusions, raw diamonds are more valuable than diamonds with several common flaws. A raw diamond which has a brownish or yellowish tint is stronger but less valuable. On the other side, diamond with less hue is far more valuable. Transparent and colorless diamonds are too rare to find.
Is an uncut diamond worth anything?
The natural quality of a rough diamond (carat, color, and clarity) determines the value of a cut and polished diamond. The cutting process is very exhaustive and requires immense skill, so raw, uncut diamonds will almost always be less expensive than a cut diamond with the same carat, color, and clarity.
What is the difference between uncut diamonds and diamonds?
Uncut Diamond: Uncut diamonds are naturally found, also known as Polki diamonds. They are not treated and polished by the Jeweller, meaning uncut diamonds do not have a specific shape, faces, or geometrical angle. … Cut diamonds have a specific cut in diamonds that give them the shine and make them the hardest material.