This rare stone may be available at an auction, but it is unusual enough that there are probably very few stones that meet this description.
One commercially available yellow stone for sale today on Blue diamond -- the largest yellow -- is a 7.37-Carat Fancy Light Yellow Radiant-Cut Diamond priced at $84,966.
(Jackie Onassis was given a 40-carat diamond when she became engaged to Onassis. It was auctioned in 1996 for US$2,500,000. A yellow diamond of this size would certainly cost perhaps millions more.)
Carat is the measurement of a diamond's weight. The stone's value would partially depend on its carat weight.
A 625 carat diamond would be a very large diamond, weighing 625 carats.
It would depend on the quality of the diamond. Obviously a quarter carat is smaller than a third but if the third carat is of poor quality and the quarter is superior quality then the quarter would be worth more.Another AnswerEvery diamond is valued by its carat weight, its colour, its clarity and its cut.
Generally, you would write .50 carat to represent a half-carat stone.
Yellow gold would provide the highest contrast value as a background for a 1 carat diamond.
If the diamond is cut, 4-point may refer to its weight, would would otherwise be expressed as .04 carat, or 4/100ths of a carat.
A diamond of this size and quality would be an extremely rare stone. It's size alone might be intimidating, except as an investment. (A five carat emerald cut diamond measures almost half an inch in length.) In direct answer to your question, this diamond would be priceless, if you could find one for sale. Read more about extraordinary diamonds, below.
It depends on the shape. For e.g. a 1 carat round brilliant diamond has a width of 6,5 mm. Other shapes, such as a marquise diamond is cut to be a longer shape. A one carat marquise diamond would be about 10 mm x 4,75 mm. Oval, pear and emerald along with the marquise shape visually appear larger than the round and square shapes.
A two carat round brilliant cut stone will measure about 8.2 mm. A different cut will have a different measurement.
A 6mm stone would be a.75 carat diamond.
The value of a diamond depends on its cut, its clarity, its colour and its carat weight. A local jeweler can give you the answer you want.
A local jeweler can answer your question, since no two 0.5 carat diamond rings are exactly alike.