Showroom 6A, Foyer B, Sovereign Quay, 34 Somerset Rd,
Green Point, Cape Town, 8001
FREE OFF STREET PARKING
Lab Grown Diamonds
IN CAPE TOWN
Discover stunning Lab Grown Diamonds
at Grand Diamonds
Discover stunning lab grown diamonds at Grand Diamonds – scientifically perfected and beautifully crafted into timeless jewellery.
Our lab grown diamond collection offers the brilliance, durability, and luxury of natural diamonds at a more accessible price, making premium jewellery attainable without compromise.
Whether you’re searching for an engagement ring, wedding band, or custom design, our Cape Town showroom and online store offer exceptional quality and expert guidance.
What are
LAB GROWN DIAMONDS
Lab grown diamonds are real diamonds created using advanced technology that replicates natural diamond formation.
They are:
- Chemically identical to mined diamonds
- Physically identical to mined diamonds
- Visually indistinguishable
- Independently certified
The only difference is their origin – grown in a laboratory rather than mined from the earth.
At Grand Diamonds, all our lab grown diamonds are responsibly sourced and fully certified.
Why Choose Lab Grown Diamonds
FROM GRAND DIAMONDS
Ethical & Sustainable
Our lab grown diamonds are conflict-free and environmentally responsible, with a significantly lower carbon footprint.
Exceptional Value
Enjoy diamonds that are up to 60-80% more affordable than natural diamonds of the same quality.
Certified Quality
Our lab grown diamonds are conflict-free and environmentally responsible, with a significantly lower carbon footprint.
Custom Craftsmanship
Design your own ring or choose from our curated collection, handcrafted by our skilled jewellers.
Trusted Local Expertise
With years of experience in fine jewellery, we provide personalised service and after-sales support.
Shop
LAB GROWN DIAMOND JEWELLERY
Browse our exclusive collection of lab grown diamond jewellery, carefully curated for modern couples and discerning buyers.
Find the perfect
ENGAGEMENT RING
Giselle
Starting from R24 000,00
Venice
Starting from R14 500,00
Kate
Starting from R12 500,00
Margaux
Starting from R20 000,00
Camilla
Starting from R13 500,00
Alexandra
Starting from R14 500,00
Find the perfect
WEDDING BAND
Scattered Half Eternity Wedding Band
Starting from R12 000,00
Classic Half Eternity Wedding Band
Starting from R12 500,00
Oval Cut Half Eternity Wedding Band
Starting from R41 500,00
Princess Cut Channel Set Band
Starting from R17 000,00
Petite D Shape Wedding Band
Price range: R7 000,00 through R15 000,00
Classic Flat Band
Price range: R8 500,00 through R20 000,00
Each piece is crafted using premium metals including platinum, white gold, yellow gold, and rose gold.
Diamond Education
LAB GROWN VS NATURAL DIAMONDS
| Feature | Lab Grown Diamonds | Natural Diamonds |
|---|---|---|
| Origin | Laboratory Created | Earth Mined |
| Appearance | Identical | Identical |
| Certification | IGI | GIA / IGI |
| Price | More Affordable | Higher Cost |
Both options are diamonds – the choice depends on your values, budget, and personal preference. Our consultants are happy to guide you through both options.
Read through our lab grown vs natural diamonds guide for more
How to choose the right
LAB GROWN DIAMOND
When selecting a lab grown diamond, consider the 4Cs:
CLARITY
VS1–SI1 offers the best balance of beauty and value.
CARAT
Choose size based on your budget and setting preference.
COLOUR
Most popular: D-G range for bright white appearance.
CUT
Determines brilliance and sparkle. Always prioritise excellent or very good cuts.
Our specialists will help you select the perfect balance for your needs.
Custom
LAB GROWN DIAMONDS
Looking for something unique?
We offer a full custom design service for lab grown diamond jewellery.
OUR PROCESS
1. Consulting (online or in-store)
2. Design & CAD rendering
3. Diamond selection
4. Manufacturing
Create a one-of-a-kind engagement ring designed around your story.
Visit our
CAPE TOWN SHOWROOM
Experience our lab grown diamond collection in person at our Cape Town showroom.
- Private Consultations
- Diamond Viewing
- Ring Sizing
- Design Advice
Create a one-of-a-kind engagement ring designed around your story.
Frequently Asked Questions
FAQ
Are lab-grown diamonds real diamonds?
Yes. Lab grown diamonds are real diamonds that are chemically, physically, and optically identical to mined diamonds. The only difference is their origin – lab grown diamonds are created in a controlled laboratory environment rather than formed naturally in the earth. They are independently certified and graded using the same standards as natural diamonds, including cut, colour, clarity, and carat weight.
Do lab grown diamonds hold their value?
Lab grown diamonds offer excellent value for money, allowing you to purchase a larger or higher-quality diamond at a more accessible price compared to mined diamonds. While all diamonds, both natural and lab grown, should be viewed primarily as a meaningful purchase rather than a financial investment, lab grown diamonds are ideal for buyers prioritising beauty, ethics, and affordability. Their true value lies in their identical brilliance, certified quality, and lasting durability.
Are lab grown diamonds certified?
Yes. All our lab grown diamonds are independently certified and laser inscribed for your peace of mind. Our lab grown diamonds are graded by leading gemological laboratories such as GIA or IGI, using the same standards applied to natural diamonds, including cut, colour, clarity, and carat weight.
Can I customize my ring?
Absolutely. Custom engagement rings are at the heart of what we do. We specialise in designing bespoke lab grown diamond engagement rings tailored to your style, story, and budget. From selecting your diamond shape and size to choosing your preferred metal and setting, our team will guide you through every step; from consultation and CAD design to final craftsmanship.
Start the process: Design Your Own / Custom Engagement Rings
Do you offer financing?
We require a 50% deposit to begin manufacturing your ring, with the remaining 50% due upon completion before collection or delivery.
For orders below ZAR 20,000, we offer Payflex as a convenient payment option, allowing you to split your purchase into interest-free instalments.
Book
YOUR CONSULTATION
Ready to find your perfect lab grown diamond?
Visit Our Showroom
Walk-In Clients Are Most Welcome! (BOOKING ADVISED)
TRADING HOURS:
Monday – Thursday: 09h00 – 17h00
Friday: 09hoo – 16h30
Saturday: 09h30 – 12h30
OUR ADDRESS:
Cape Town
Chat to us
CONTACT FORM
