The stage is based on: 1  The prostate biopsy results (including the Gleason score) 2  The blood PSA level at the time of diagnosis. 3  The results of any other exams or tests that were done to find out how far the cancer has spread.
Like all commodities even gemstones are graded.The quality and cost of a gemstone completely depend on its cut. Grading the quality of gemstones: Alpha grading is a commonly heard term in conjunction to grading of gemstones.This grading is based on several qualities such as colour, cut and clarity.AA quality gemstones are the most sought out precious stones, for the cut is perfect and the colour is vibrant. AAA gemstones are a lot more affordable than super fine stones and are generally used in making jewellery. a5555597-894e-414c-8244-6627393966a9|0|.0|27604f05-86ad-47ef-9e05-950bb762570c.
Aquamarine is the blue gemstone of the beryl group of minerals, which is called emerald when green. The name comes from the Latin for âwater of the sea,â in reference to the gemstoneâs color, which is turquoise or blue, the deep blue variety being called maxixe.urquoise is among the most valuable of opaque blue gemstones, on account of the stoneâs quality and rarity. The blue stone ranges in shade from sky blue to blue-green. This blue gem is a traditional and modern birthstone for the month of December.