The Diamond Works Institute - Cape Town's diamond destination since 2001
Cape Town’s premier diamond and tanzanite institute — free guided tours daily.
Our story
The Diamond Works Institute is Cape Town’s premier diamond and tanzanite destination, founded in 2001 by Jewelvest, a division of Tourvest Holdings. Located in the heart of Cape Town’s city centre, the Institute combines GIA-certified gemology, third-generation master goldsmiths, and South Africa’s finest diamond and tanzanite collections under one roof.
What we offer
GIA-certified diamonds
Natural white, black, and rare tanzanite — ethically sourced with full provenance documentation.
Complimentary tours
Sparkling Tour, VR Kimberley Mine, AR diamond try-on — free, daily from 10:00.
Bespoke jewellery
Custom engagement rings and signature pieces, designed and crafted on-site by our goldsmiths.
Celebrating Africa’s Diamond and Tanzanite Legacy
The Diamond Works Institute is Cape Town’s premier diamond and tanzanite destination, founded in 2001 by Jewelvest, a division of Tourvest Holdings. Located in the heart of Cape Town’s city centre, the Institute combines GIA-certified gemology, third-generation master goldsmiths, and South Africa’s finest diamond and tanzanite collections under one roof. Whether you are visiting Cape Town, purchasing a bespoke engagement ring, or exploring South Africa’s extraordinary gem heritage, The Diamond Works Institute offers an experience unlike any other. Guests are welcomed with complimentary sparkling wine and guided or self-guided access to our award-winning showroom and live diamond-cutting studio.
Making memories in South Africa
Take home more than photographs – choose an African gemstone with its own unique story.
Whether it’s a natural white diamond from the country that first made these gems famous, a black diamond from the Central African Republic, or a rare tanzanite found only in Tanzania, each piece represents a lasting connection to your African adventure.
Educational excellence and diamond tours
Understanding enhances appreciation. Through our signature Sparkling Tour, discover South Africa’s connection to diamonds and witness the journey from mine to showcase. Our virtual reality experiences transport you to the historic Kimberley mines, bringing South African diamond heritage to life.
Expert jewellery manufacturing
in Cape Town
Our team includes third-generation master goldsmiths and GIA Graduate Gemologists with over two decades of collective experience crafting diamonds and tanzanite jewellery in Cape Town.” Placement: in place of current sentence.
Creating your perfect diamond memory in Cape Town
Our bespoke service begins with expert guidance from GIA-certified gemologists who help you select the perfect diamond for your engagement ring or special piece.
From classic diamond rings to custom engagement rings, our master goldsmiths craft each piece on-site in our Cape Town workshop.