Diamond Carat Weight Measures a Diamondâs Apparent Size. Diamond carat weight is the measurement of how much a diamond weighs. A metric âcaratâ is defined as 200 milligrams. Each carat can be subdivided into 100 âpoints.â This allows very precise measurements to the hundredth decimal place. A jeweler may describe the weight of a diamond below one carat by its âpointsâ alone.
To answer the time aspect of how long is pink eye contagious, viral pinkeye is considered contagious for 3-5 days or when you see its symptoms begins to easy up. This can take up to 14 days.
Pink eye also can be caused by bacterial conjunctivitis, which  even with treatment such as prescription antibiotic eye drops  can last up to a month or longer. However, with this type of pink eye, people should no longer be contagious 24 hours after antibiotic treatment begins.ommon pink eye symptoms can last anywhere from a few days to a few weeks. Many types of pink eye are contagious, but only after the symptoms emerge.