Pararescuemen are known as PJs, for Pararescue Jumpers. They hold a very unique position as USSOCOM (indeed all of DODâs) only specific CSAR (Combat Search and Rescue) career field, trained and equipped to conduct both conventional and unconventional recovery missions, CASEVAC and MEDEVAC. They are not simply medics, and they are anything but unarmed.
This weight (one carob seed) as later standardized to be 1 carat, or 1/5th of a gram, hence a five carat diamond equals 1 gram and 155.51 carats equal one ounce. The one carat weight is then broken down into 100 equal parts called points; 75 points equal 3/4 of a carat, 50 points equal 1/2 of a carat, etc. The significance of the weight is like the other quality grades. Rarity, now by virtue of the diamonds size and weight.
Diamond Buying Tip: Note that carat describes the weight of a stone, not the size. Carat weight and size are fairly uniform from diamond to diamond so a 1-carat round diamond will consistently measure around 6.5 mm.(Colored stones, however, are a different story. Since density varies from one gemstone to the next, shape and dimensions must be specified.iamond Buying Tip: Note that carat describes the weight of a stone, not the size. Carat weight and size are fairly uniform from diamond to diamond so a 1-carat round diamond will consistently measure around 6.5 mm.