Our collection of lab grown diamonds offers exceptional brilliance, ethical sourcing, and outstanding value. At Grand Diamonds in Cape Town, we specialise in certified lab grown diamond jewellery, including engagement rings, wedding bands, and bespoke designs crafted to your style. Lab grown diamonds are chemically, physically, and visually identical to mined diamonds, making them a beautiful and sustainable choice for modern jewellery.
18kt Rose Gold
18kt White Gold
18kt Yellow Gold
9kt Rose Gold
9kt White Gold
9kt Yellow Gold
Platinum
Alexandra
18kt Rose Gold
18kt White Gold
18kt Yellow Gold
9kt Rose Gold
9kt White Gold
9kt Yellow Gold
Platinum
Baguette Half Eternity Band
18kt Rose Gold
18kt White Gold
18kt Yellow Gold
9kt Rose Gold
9kt White Gold
9kt Yellow Gold
Platinum
18kt Rose Gold
18kt White Gold
18kt Yellow Gold
9kt Rose Gold
9kt White Gold
9kt Yellow Gold
Platinum
Charlotte
18kt Rose Gold
18kt White Gold
18kt Yellow Gold
9kt Rose Gold
9kt White Gold
9kt Yellow Gold
Platinum
Classic Flat Band
18kt Rose Gold
18kt White Gold
18kt Yellow Gold
9kt Rose Gold
9kt White Gold
9kt Yellow Gold
Platinum
Classic Full Eternity Wedding Band
18kt Rose Gold
18kt White Gold
18kt Yellow Gold
9kt Rose Gold
9kt White Gold
9kt Yellow Gold
Platinum
Classic Half Eternity Wedding Band
18kt Rose Gold
18kt White Gold
18kt Yellow Gold
9kt Rose Gold
9kt White Gold
9kt Yellow Gold
Platinum
Curved Half Eternity Band
18kt Rose Gold
18kt White Gold
18kt Yellow Gold
9kt Rose Gold
9kt White Gold
9kt Yellow Gold
Platinum
Cushion & Round Trilogy Engagement Ring
18kt Rose Gold
18kt White Gold
18kt Yellow Gold
9kt Rose Gold
9kt White Gold
9kt Yellow Gold
Platinum
Cushion Cut Halo Engagement Ring
18kt Rose Gold
18kt White Gold
18kt Yellow Gold
9kt Rose Gold
9kt White Gold
9kt Yellow Gold
Platinum
Cushion Cut Pavé Engagement Ring
18kt Rose Gold
18kt White Gold
18kt Yellow Gold
9kt Rose Gold
9kt White Gold
9kt Yellow Gold
Platinum
Cushion Cut Solitaire Engagement Ring
Why Choose Lab Grown Diamonds
Lab grown diamonds are created using advanced technology that replicates the natural diamond-forming process. The result is a real diamond with the same sparkle, durability, and brilliance as a mined stone. Because they are grown in controlled laboratory environments, lab grown diamonds offer a more sustainable and ethical alternative while remaining fully authentic.
Many clients choose lab grown diamonds because they provide exceptional value. You can often select a larger or higher-quality diamond for the same budget compared to a mined stone, without compromising on beauty or durability.
Learn more in our lab grown vs natural diamonds guide.
Certified Lab Grown Diamonds
At Grand Diamonds, all our lab grown diamonds are independently certified and laser inscribed for your peace of mind. Our stones are graded by leading laboratories such as IGI or GIA, ensuring that every diamond meets strict standards for cut, colour, clarity, and carat weight.
Certification guarantees the authenticity and quality of your diamond, giving you complete confidence in your purchase.
Bespoke Lab Grown Diamond Jewellery
Custom design is at the heart of what we do. Whether you are looking for a unique engagement ring, elegant diamond earrings, or a meaningful piece of jewellery, our team will guide you through the design process. From selecting your diamond to choosing the perfect setting, we help you create a piece that reflects your personal style.
Visit Our Cape Town Showroom
We invite you to explore our collection of lab grown diamonds in Cape Town and view our designs in person. Our team offers private consultations where you can compare diamonds, explore ring settings, and receive expert guidance to help you find the perfect piece.