The jewelry grade (white) diamond that is most valuable is identified as a D-colour stone.
In fancy coloured stones, both blue and pink stones are valuable, although red might be the most rare, and therefore the most valuable.
See the link, below.
Yes, if it is a gem-stone quality diamond.
You can read from the chart, below, and learn where G and H fall in the diamond colour range.A "G H" colored diamond means that it is in the near-colorless range on the color scale. The diamond color scale was developed by GIA (the Gemological Institute of America) in the mid 1900s. Before GIA developed this scale, there was no universal way of grading diamonds, so diamond grades ended up being widely varied and confusing. The diamond scale starts at "D", meaning that it is completely colorless, and extends to "Z" meaning that the diamond is extremely saturated with color (can be either yellow or brown--the hue doesn't matter). Diamonds in this color and beyond are considered to be "fancy" colors based on colour saturation.Face up, the general population won't be able to tell the difference between a "G" and "H" colored diamond. In a setting, they will look white, unless you put the diamond in a yellow gold setting; in this case, the yellow hue from the ring will be reflected into the diamond, causing the diamond to seem tinted yellow.Most people stick in the "G H" color range because you can get more "bang for your buck."
These letters -- G and H -- are used to describe a diamond as 'near colourless'. You can review them on the scale of diamond colour, below.
It depends on what the band of the ring is made out of and the diamonds quality. It can be taken to a jeweler to find out a estimated value.
A diamond with the indicator SI -- Slightly Included -- indicates that the stone is as badly flawed as possible to still be graded as a gem-quality stone. The other factors: its cut, its carat weight and its colour, however must also be considered when asking the cost of a diamond.
The most valuable stone is typically considered to be the diamond, followed by sapphire, ruby, emerald, and then semi-precious stones such as amethyst, citrine, and peridot. The value of a stone is determined by factors such as rarity, color, size, and clarity.
I would say that Green Diamonds are next. Of course it is the pure green colors that are the most valuable, colors like Fancy Intense Green and Fancy Vivid Green.
Diamond
yes.
No it is not. Sapphires are one of the most precious and valuable blue gemstones and are known for having an excellent color, hardness, durability, and luster.
Diamond
no
the hope diamond is the largest. It is in the Smithsonian Museum in Washington D.C.
diamond
The rarest natural diamond colours are probably red, green and blue. If you can find a large stone in one of those colours graded as flawless or very slightly included with a cut that shows off the stone's colour and high clarity, you will probably pay the most per carat for this stone.
No, the Hope Diamond is not the most expensive diamond in the world. While it is one of the most famous and valuable diamonds, there are other diamonds that are more expensive due to their size, clarity, and color.
Red