Gemstones price depends upon 4'C factors i.e. color, clarity, carat and cut. for astrological purposes color, clarity and carat are major factors. So higher the transparency and color; more the price and significance of stone astrologically.
All natural color gemstones will have a few inclusions, lower the inclusion higher the quality and price also. Natural inclusions will block the amount of light/energy passing through the stone in your body. For example stone having 20% inclusions, will still pass 80% light/energy. Which is excellent percentage for astrological purposes.
Astrology is pure science, so stones having internal natural inclusions (black, red, white etc. color spots), Zirum etc. have no side effects. These spots will just block the amount of light passing through the stone. BUT few astrologer misguide the customer resulting customer may never buy the stone at all. Imagine the loss of customer.
If you are budget buyer and can afford 20%-30% transparent stone, buy it rather than waiting for higher budget. In long run 20-30% transparent stone will be also beneficial. After couple of years, you can buy higher quality stone. Good Quality
Stone with 30%-50% transparency is considered good stone and bestow good results on native.Excellent Quality
Stone with 50%-65% transparency are considered excellent quality astrological stone and bestow good results on native. These are best range both price and astrology wise.Premium Quality
These stones are best for astrological purposes and will not drain you pocket also. These stone generally have 70-85% transparency, which are excellent for astrological purpose.
Gemstone effects can be noticed after 2-3 months of continuous wearing, NOT overnight. Some people say today they wore the stone and everything going up/down in their life. Please think logically, all bad things happening must have roots is past, stones cannot change person life overnight.If RS. 20k-70k stone can do miracle in your life overnight, who is not ready to pay the price? just think. YES gemstones do smoothen/improve your life in longer run, not overnight.