Diamond Shape (Cut)
Different people are different tasted there is no such one shape is better than other shape. There are 10 basic shape for diamond. Round shape are the most popular among other shape. Diamond shape is NOT diamond cut, but sometimes we call shape is cut, ex: princess cut.
Most diamonds are white, but there are many variations. The color is usually represented by GIA’s Professional color scale which gives a letter scale from D (colorless diamonds) to Z ( yellowish / brownish color)
FL : Flawless – No internal or external imperfections visible using a 10X microscope.
IF : Internally Flawless – No visible internal imperfections, but may have minor surface blemishes visible when using a 10x microscope.
VVS1-VVS2 : Very, very slightly included – Inclusions that are extremely difficult for a skilled observer to locate using a 10x microscope.
VS1-VS2: Very slightly included – Very small inclusions that are very difficult for a skilled observer to locate using a 10x microscope. In rare instances, with larger stones, some VS1/VS2 inclusions can be seen with the naked eye, after first being located using a microscope.
SI1-SI2 : Slightly included – Refers to diamonds which have small inclusions that can be easily located using a 10x microscope. In some instances, such inclusions can be seen with the naked eye, after first being located using a 10x microscope.
I1-I3: Imperfect – Medium to large inclusions which are readily apparent to a skilled observer with the unaided eye.
A carat is a unit of measurement and 1 carat is equal to 200 milligrams or 0.2 grams. Hence a 1.25 carat diamond will weigh 250 milligrams.
note: this image is not real size of diamond depend on your display resolution.