Lab Grown Diamonds in Kolkata

Looking for lab grown diamonds in Kolkata? Goenka Jewellers is a lab grown diamond jewellery showroom on Camac Street, in the Park Street area. Every diamond we sell is a real diamond with an IGI certificate, set in hallmarked gold. You can see, touch and try each piece before you buy.

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Visit our lab grown diamond showroom in Kolkata

Goenka Jewellers
Ground Floor, 4/1 Camac Street, beside All Inndia Cafe (Camac Street & Theatre Road crossing), Kolkata, West Bengal 700071
Ashok Goenka: +91 98302 52262
Arpan Goenka: +91 98300 96144
WhatsApp: +91 81001 26060
Email: sales@goenkajewellers.com
Open every day: 10:30 am – 7:30 pm

Book a time that suits you, or call or WhatsApp us before you drop in. We will keep the designs you like ready, along with their IGI certificates, so you can compare them side by side.

How to reach our Camac Street showroom

We are on the ground floor of 4/1 Camac Street, beside All Inndia Cafe, at the crossing of Camac Street and Theatre Road (Shakespeare Sarani). The showroom is a short walk from Park Street, and the nearest metro stations are Maidan, Park Street and Rabindra Sadan, each a short cab ride away.

Open the showroom in Google Maps for live directions from Salt Lake, New Town, Ballygunge, Alipore, Howrah or wherever you are in Kolkata.

A lab grown diamond store near you in Kolkata

If you searched for a lab grown diamond store near me in Kolkata, our showroom is on Camac Street in the Park Street area, in the heart of central Kolkata. Customers visit us from Ballygunge, Alipore, Bhowanipore, Salt Lake, New Town, Rajarhat, Behala, Howrah and across the city, and many compare us with the other lab grown diamond stores on Camac Street before deciding. Come with your shortlist: we will show you the IGI certificate for every stone, the BIS hallmark on the gold and the final price, with the diamond and gold shown separately.

Can't visit? Book a WhatsApp video consultation and we will show you the pieces live, then deliver the same day in Kolkata for ready to ship designs. You can also read our complete guide to lab grown diamonds in India.

Why Kolkata buys lab grown diamonds from Goenka Jewellers

  • IGI certified lab grown diamonds. Every Goenka diamond comes with an IGI certificate.
  • Hallmarked gold. Choose 9K, 14K or 18K gold.
  • Real diamonds for less. Lab grown diamonds are chemically, physically and optically identical to mined diamonds and score 10 on the Mohs scale. They typically cost almost 90% less than natural diamonds of the same specs.
  • Cash buyback. We buy back at 100% of the gold value and 80% of the diamond value, at market rates on the date of return. T&C apply.
  • Lifetime warranty and exchange at 100% of the gold value and 80% of the diamond value at market rate (T&C apply).
  • Custom design. Bring a photo or a sketch. Most made-to-order pieces are ready in 15–20 days.
  • Free shipping across Kolkata, West Bengal and the rest of India if you prefer to order online.

Lab grown diamond jewellery you can try in our Kolkata store

Browse Ready to Ship pieces, or have any design made to order in the size, gold and carat weight you want.

Lab grown diamond solitaire in Kolkata

A solitaire is the piece most of our Kolkata customers want to see in person. At the Camac Street showroom you can compare round, oval, pear, emerald, princess and heart shaped solitaires side by side, from 1 carat to 5 carats and above, check each stone against its IGI certificate and try it on before you decide.

Any solitaire can also be made to order: choose the diamond shape, carat weight and gold colour, and we will make the ring in your size.

Lab grown diamonds for Kolkata weddings, Pujo and gifting

Kolkata families come to us for bridal necklace sets, engagement rings and couple bands before the wedding season. They also come for gifts around Durga Puja, Dhanteras, Diwali and Poila Boishakh. A lab grown diamond lets you choose a bigger or better stone for the same budget. You still get a real, certified diamond that you can wear every day.

Lab grown diamond price in Kolkata

The price depends on the carat weight, shape, colour and clarity of the diamond, and on the gold purity and weight. We offer the most competitive lab grown diamond price in India. Share your budget with us and we will show you the best diamond it can buy.

As a guide, these are the starting prices on our website for solitaires in 18K gold as of October 2026. Prices move with the gold rate.

  • 1 carat lab grown diamond solitaire ring: from about ₹62,000
  • 2 carat solitaire ring: from about ₹93,000
  • 3 carat solitaire ring: from about ₹1,21,000
  • 4 carat solitaire ring: from about ₹1,67,000
  • 1+1 carat solitaire studs (2 carats for the pair): from about ₹73,000

How to check a lab grown diamond before you buy

  1. Ask for the IGI certificate and verify its report number on the IGI website.
  2. Check that the gold carries a BIS hallmark.
  3. Make sure the invoice clearly says lab grown diamond, with carat weight and gold purity.
  4. Read the return, exchange and buyback terms before you pay.

Lab grown diamonds in Kolkata: FAQs

Where can I buy lab grown diamonds in Kolkata?

You can buy certified lab grown diamond jewellery at Goenka Jewellers, 4/1 Camac Street, Kolkata, West Bengal 700071. You can also order online at goenkajewellers.com with free shipping.

Where can I buy a lab grown diamond solitaire in Kolkata?

At Goenka Jewellers, 4/1 Camac Street, Kolkata 700071. You can compare IGI certified solitaire rings, studs and pendants from 1 carat to 5 carats and above in the showroom, or order online with free shipping.

How much does a 1 carat lab grown diamond solitaire ring cost in Kolkata?

At Goenka Jewellers, 1 carat lab grown diamond solitaire rings in 18K gold start from about ₹62,000 as of October 2026. The final price depends on the diamond's shape, colour and clarity and on the gold weight, and moves with the gold rate.

Are lab grown diamonds real diamonds?

Yes. Lab grown diamonds are real diamonds made of pure carbon. They are chemically, physically and optically identical to mined diamonds and are graded by the same labs.

Are your lab grown diamonds certified?

Yes. Every Goenka diamond comes with IGI certification, and our jewellery is made in hallmarked gold.

Do lab grown diamonds have resale value?

Yes, with us. Goenka Jewellers buys back at 100% of the gold value and 80% of the diamond value, at market rates on the date of return. T&C apply.

Can I get custom lab grown diamond jewellery made in Kolkata?

Yes. Share a photo or idea at our Camac Street showroom or on WhatsApp. Most custom pieces are delivered in 15–20 days.

Do I need an appointment to visit the showroom?

We recommend booking a visit online or sending us a WhatsApp message first, so the designs you want to see are ready for you.

Is there a lab grown diamond store near me in Kolkata?

Yes. Goenka Jewellers is a lab grown diamond store on the ground floor of 4/1 Camac Street, at the Camac Street and Theatre Road crossing, Kolkata, West Bengal 700071, in the Park Street area of central Kolkata. It is open every day from 10:30 am to 7:30 pm, and you can walk in or book a visit online.

How do I reach the Goenka Jewellers showroom on Camac Street?

We are on the ground floor of 4/1 Camac Street, beside All Inndia Cafe, at the Camac Street and Theatre Road (Shakespeare Sarani) crossing, Kolkata 700071. The showroom is a short walk from Park Street, and the nearest metro stations are Maidan, Park Street and Rabindra Sadan.

What are lab grown diamond prices in India?

We offer the most competitive lab grown diamond price in India. The final price depends on the diamond's carat, shape, colour and clarity, and on the gold purity and weight.