Contact Nakshatra Store

You can place an order by calling us at +91 97174 74495 or emailing us at info@quadrinomial.com. Simply tell us which product you want, your delivery address, and preferred payment method. We will confirm your order within a few hours.

Yes, all our gemstones come with certificates from government-approved gem testing laboratories. Each certificate mentions the stone's origin, weight, and authenticity. You can verify the certificate independently at any certified lab.

Standard delivery takes 4–7 business days across most cities in India. For metro cities like Delhi, Mumbai, Bangalore, and Chennai, delivery is usually within 3–5 business days. All orders are shipped with tracking so you can monitor your package.

Yes, we offer a 7-day return policy for most products. If a product is defective, damaged in transit, or not as described, we will replace it or issue a full refund. Please see our Refund Policy for full details.

We accept all major payment methods including UPI (Google Pay, PhonePe, Paytm), credit & debit cards, net banking, and Cash on Delivery (COD). All online transactions are fully secure and encrypted.