Natural Green Onyx (Chalcedony) Stone 5.06–9.92 Carat – Lab Certified

Choose from 30 natural green onyx (green chalcedony) stones between 5.06 and 9.92 carats (about 5.6–10.9 ratti), each lab certified. Green onyx is a popular substitute (uparatna) for emerald (Panna), the gemstone of Mercury (Budh).

Stone details

• Gemstone: Natural green onyx (chalcedony)
• Weights available: 30 individual stones from 5.06 to 9.92 carats; each option is a separate stone with its own ID
• Certification: Lab tested; certificate included
• Dispatch: 1–3 days; ships across India and internationally

Why people wear green onyx

As an emerald substitute, green onyx is traditionally associated with Mercury: clear communication, focus in study and business, and emotional balance. These are traditional beliefs, not guarantees.

How to wear and care

Set in silver and wear on the little finger of the working hand on a Wednesday morning, after chanting “Om Bum Budhaya Namah” 108 times. Avoid harsh chemicals; wipe with a soft damp cloth.

Frequently asked questions

Green onyx or emerald?

Emerald is the primary Mercury gemstone; green onyx is the budget-friendly substitute. Compare our natural emeralds and the green onyx silver ring.

How do carats convert to ratti?

1 ratti ≈ 0.91 carat, so 5.06 carats ≈ 5.6 ratti and 9.92 carats ≈ 10.9 ratti.

Can I order from outside India?

Yes. Prices are in INR and international cards are accepted; your bank converts the amount at checkout. We ship internationally, including to the United States.