The opal stone 6 carat price is calculated at around 1.2 gms (1.08 gms for ratti) and is believed to improve Shukra Mahadasha, bringing love, peace, and prosperity to the life of the wearer. As per Vedic astrology, it is associated with Planet Venus which impacts marital relationships, while bringing love and bonding in other relationships of the wearer. It is priced for the mesmerizing play of color which showcases a spectrum of rainbow colors when viewed from different angles. Ranging between INR 5,000 to INR 20,000, the opal stone 6 ratti price depends on color, clarity, cut, and origin, besides the weight.