Factory-Direct · No-Spam Consultation
Lab Grown Diamond Jewellery
Certified IGI/GIA/HRD diamonds, custom-crafted in 2 weeks -- factory-direct, no showroom markup.
- ✓No middleman -- we manufacture in-house
- ✓One honest consultation, no follow-up sales calls
- ✓Certified diamonds, custom pieces in ~2 weeks
Custom pieces take about 2 weeks to craft — message us today if you need it ready for an upcoming occasion.
20+
Years in Business
1,000+
Pieces Crafted
500+
Happy Customers
4.7★
Customer Rating
Why SGJ
Pay less than showroom prices
We manufacture in-house, so there's no middleman markup -- just the real cost of making it, plus a fair margin.
Zero follow-up call spam
One honest conversation about what you need. No pressure tactics, no repeat calls -- you decide on your own timeline.
Certified, custom-made in 2 weeks
Every piece is certified by IGI, GIA, or HRD. Want something custom? Our in-house team typically delivers in ~2 weeks.
Trusted supplier to
New jewellery collections
Solitaire Halo Ring
From ₹28,000
Classic Stud Earrings
From ₹14,500
Diamond Pendant Chain
From ₹19,900
Tennis Bracelet
From ₹32,000
What our customers say
Verified SGJ Customer
Verified SGJ Customer
Verified SGJ Customer
Frequently asked questions
Why can SGJ offer such reasonable, factory-direct rates?
We manufacture our own lab grown diamond jewellery in-house rather than buying from a wholesaler and marking it up. You're paying close to the real cost of making it, plus a fair margin -- not the multiple layers of retail markup that go through a typical jewellery supply chain.
Will I be pressured to buy during the consultation?
No -- that's the whole point of our no-spam approach. We answer your questions honestly, you take the time you need, and there are no follow-up sales calls or pressure tactics.
Are SGJ's diamonds certified?
Yes -- our diamonds are certified by IGI, GIA, and HRD, depending on the piece. Every certificate verifies the diamond's carat, cut, clarity, and colour.
Is SGJ affiliated with any industry bodies?
Yes -- we're members of the Bharat Diamond Bourse and the Gem & Jewellery Export Promotion Council (GJEPC), India's official trade bodies for the diamond and jewellery industry.
Are lab grown diamonds real diamonds?
Yes. Lab grown diamonds are chemically, physically, and optically identical to mined diamonds -- same carbon crystal structure, same hardness, same brilliance. The only difference is where they're grown: a controlled lab environment instead of underground.
What's the difference between lab grown and natural diamonds?
The diamond itself is identical -- the difference is origin and price. Lab grown diamonds are generally significantly more affordable than natural diamonds of the same size and quality, since they skip the cost of mining.
Do lab grown diamonds hold their value?
Like most jewellery, diamonds -- lab grown or natural -- aren't typically bought as a resale investment; resale value is usually well below the original price. What lab grown diamonds do offer is significantly more diamond for your budget at the time of purchase. If resale matters to you, it's worth asking us directly before you buy.
Can I get a custom design made?
Yes. Share your requirements during your consultation and our in-house team will design and craft a custom piece, typically within about two weeks.
Do you deliver outside Mumbai?
Yes -- we ship pan-India. You don't need to be in Mumbai to order from us; your piece is delivered wherever you're based.
How can I pay?
We accept UPI, bank transfer, and cash. Payment details are shared directly with you once your order is confirmed.
Can I visit your showroom?
Yes, by appointment -- message us on WhatsApp or call to schedule a time that works for you. We don't take walk-ins, so every visit gets our full attention.