From Mine to your finger, Saving you BIG!
Diamonds in South Africa, direct from a name you trust.
Diagem Diamonds — cutters and direct dealers for over 25 years. Talk to David before you decide. We'll beat any like-for-like quote.
“From the Mind to the Finger”
Recent pieces.
A glimpse of what we've made for clients. Tap a piece to enquire.
Why we're the affordable Choice.
Four reasons our prices beat traditional retail jewellers — every time.
We cut. We sell.
We're diamond cutters — mine to finger. No middlemen.
No storefront.
No mall rent. No shopfront overheads. Those savings reach you directly.
Global dealer network.
We source from our own stock and when we cant find your dream diamond in SA, we source from a vast international network to match your stone and budget.
We'll beat any quote.
Got a like-for-like quote from another dealer? Send it. We will beat it.
Send us a quote to beat.
Share the specs and the price — we'll come back with a better one.
Send quote via WhatsApp →How to buy.
Five clear steps. No pressure.
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01
Tell us what you want
Share your specs and budget by WhatsApp, call or email. No obligation.
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02
We source your stone
From our own cut diamonds or our global dealer network — matched to your specs and budget. Every stone GIA or IGI certified.
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03
Speak to David
Personalised guidance, Viewings at our Johannesburg office by appointment.
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04
Secure payment
Direct bank transfer (EFT) or credit card.
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05
Insured delivery
Tracked, insured, signed-for nationwide
Quick answers.
The questions we hear most often.
Are your diamonds certified?
Yes — every diamond comes with an independent GIA or IGI grading report covering cut, colour, clarity and carat weight.
Why are your prices lower than retail jewellers?
We are diamond cutters and sell direct — from the mine to finger. We also work with a large dealer network selling direct. We have no retail storefront overheads, so we pass the savings to you. We will beat any like-for-like quote.
Can I view a diamond in person?
Yes. Visits to our Houghton Estate office are by appointment only, call David Now.
How do I pay?
Direct bank transfer (EFT) or credit card.
How is delivery handled?
All orders ship fully insured nationwide. Tracked, signed-for, 5 to 10 working days.
What is your returns policy?
7-day inspection period. Return in original condition with all documentation for a full refund.
Diamonds, designed around you.
From the first conversation to the final clasp, we curate certified diamonds and craft bespoke jewellery in South Africa — without the markups of the showroom floor.
Talk to David. One call. No middleman.
Three ways to find your diamond
How to Buy a Diamond
Five simple steps from browsing to unboxing
Browse & Filter
Search by shape, carat, clarity, colour, and budget
Select Your Diamond
Choose a GIA or IGI certified stone that fits your needs
Chat With Us
WhatsApp or call our experts for personalised guidance
Secure Payment
Pay safely online - your purchase is protected
Insured Delivery
5-10 days, tracked, with your certificate included
Why Diagem
Trusted & Accredited
DDC SA Member
Diamond Dealers Club
of South Africa
WFDB Affiliated
World Federation of
Diamond Bourses
GIA Certified
Gemological Institute
of America
IGI Certified
International Gemological
Institute
Insured Delivery
Tracked & secure
nationwide shipping
25+ Years Trusted
Established South African
diamond dealer
