Genius starts great work, craftsmanship completes it

The Diamond Works Institute established in 2001, a true South African diamond expert.
A flagship operating facility based in the heart of Cape Town providing a glimpse into the processing of diamonds and jewellery through onsite demonstration.

Dedicated to standard excellence, The Diamond Works specialises in the highest quality diamonds and tanzanites in Southern Africa. Sharing the world and story of South African natural treasures is a unique experience and is offered through our signature Sparkling Tour.

For years diamonds have been coveted and have gained a reputation for pioneering an entire industry; putting Africa on the map for the highest quality diamonds in the world. But in 1967, the gem industry saw the birth of something new – Tanzanite.

Transparency in understanding the journey process of gem and metal sourcing, grading and manufacturing reassuring you in making an educated purchase and while inviting you to play a vital part in the creation of your very own unique piece.

The tailored design service allows you to design a bespoke jewellery piece; print a CAD generated wax replica and then have a skilled goldsmith manufacture your inspired original creation.

The 814 sqm showroom leads diamond experience within South Africa and offers curious guests the best premium diamonds and tanzanite in the world.

Our Collections

DIAMOND COLLECTION

/ˈdʌɪəmənd/a hard, rare and precious, colourless carbon mineral

Diamonds have been associated with purity, strength, wealth, virtue, power and most importantly love. Today, an appreciation for diamonds has evolved, not to only appreciate any diamond but to appreciate a truly rare diamond – The Diamond Works diamond.

The Diamond Works Institute is considered a true South African diamond and jewellery expert. Established in 2001, it has evolved to be one of the most renowned diamond facilities in the region.

Classic Diamond Jewellery Collection
Luxury Diamond Jewellery Collection

Black Diamond Jewellery Collection

TANZANITE COLLECTION

/ˈtanzənʌɪt/ an exceptional blue or violet gem, native to Tanzania

The Diamond Works Institute extends its appreciation to tanzanite, a gem 1000 times rarer than diamonds. This exceptional stone represents the essence of Africa, and wewhisper the tales of this stones journey from the ground to the showroom. Tanzanite is noted for its remarkably strong trichroism; appearing alternately sapphire blue, violet and burgundy depending on crystal orientation

Classic Tanzanite Jewellery Collection
Luxury Tanzanite Jewellery Collection

The ‘I AM AFRICAN’ Collection

/ˈdʌɪəmənd/a hard, rare and precious, colourless carbon mineral

Diamonds have been associated with purity, strength, wealth, virtue, power and most importantly love. Today, an appreciation for diamonds has evolved, not to only appreciate any diamond but to appreciate a truly rare diamond – The Diamond Works diamond.

The Diamond Works Institute is considered a true South African diamond and jewellery expert. Established in 2001, it has evolved to be one of the most renowned diamond facilities in the region.

The Hands Behind The Design
The Collection

The Diamond Works Standard

Mark Gieljoumie, one of Cape Town’s leading internationally certified gemologist overseeing the quality control and standard compliance.

Mark holds credentials attained with the assistance of the University of Stellenbosch, and accreditation as a Graduate Gemologist through the Gemology Institute of America (G.I.A). The scientific aspect of jewellery and gemstones particularly appealed to him.

A gemologist’s verve worthy of sharing; Mark’s journey began close on 30 years ago as a Cape Town art student applying for a position as a jewellery designer’s assistant. Thrilled for the opportunity, Mark’s journey in the jewellery industry was set in motion. According to Mark, “I didn’t choose this industry, the industry chose me”.

Mark’s rare and skilled approach of genius and craftsmanship, with an eye for perfection, is the very reason for delivering true excellence.

International experience gained in various countries across the globe including holding a senior position, Head of Diamonds at a mass production firm in Hong Kong. Advancing his career, Mark was promoted as the Head of Research Development, overseeing the design and style development processes for larger jewellery retail companies now based in South Africa.

Mark’s experience and study results in a marriage of science and art through which he carefully oversees the quality control and sourcing of all diamonds and tanzanite for The Diamond Works Institute. In true artistic fashion, his heart falls to his hands as he holds each precious gem to the light as to discover what truly sets each gem apart and whether it makes The Diamond Works cut.

Recent Customer Reviews

Helet Borchardt Helet Borchardt
05:38 15 Mar 22
Awesome Tanzanite Demo and gin tasting on Saturday. Perfect event to get focussed on being creative and forgetting about all the noise in life. Well done Team Diamond Works... we had 2 hours of so much fun! Highly recommended Ladies!
Gasant Jacobs Gasant Jacobs
19:22 11 Feb 22
It was amazing. I always like to visit the Diamond Works.
Pierre Fourie Pierre Fourie
06:53 23 Jan 22
As always very professional and great snacks
sabrie orrie sabrie orrie
17:36 20 Jan 22
It's perfect for a Diamond Cutting Tour... Knowledgeable Staff..
JYJUTY jaden JYJUTY jaden
13:00 15 Jul 21
Best place ever
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