Wondering which all gemstones could be most rare and are most expensive ?

Which Rudraksha or gemstone is considered rare or valuable can depend on tradition, availability, and personal preference.  

Note: The content is for informational purposes only. It is not a substitute for commercial, gemological, or professional advice.

Vibration of Rudraksha beads is traditionally described in texts and may vary by bead origin, size, and age. Indonesian and Nepalese beads may differ in appearance and texture.  

Some practices suggest proper placement or rituals for spiritual use. The cost of beads may vary widely based on availability and size.  

Note: The content is for informational and spiritual purposes only. It is not a substitute for medical, astrological, or professional advice.

Some gemstones are considered rare and difficult to obtain:  
1. Pigeon Blood colored rubies (flawless, transparent)  
2. Red natural diamonds  
3. Natural blue diamonds with deep color  

Note: The content is for informational purposes only. It is not a substitute for commercial, gemological, or professional advice.

Precious gemstones are traditionally used for jewelry. Ruby is widely regarded as valuable, though other gems like alexandrite, emerald, and rare sapphires may also have high value. Top-quality rubies generally command the highest prices.  

Note: The content is for informational purposes only. It is not a substitute for commercial, gemological, or professional advice.

The oldest known large gemstone called "coenol" was reportedly found in 1655 in the Coller mine in the Golkonda area of India. The original stone weighed approximately 800 carats.  

Note: The content is for informational purposes only. It is not a substitute for commercial or gemological advice.

Precious gemstones such as Yellow Sapphire, White Sapphire, Ruby, and Emerald are typically expensive. Prices depend on color, clarity, luster, and size.  

Note: This content is for informational purposes only and does not constitute pricing advice.