“Absolutely amazing experience dealing with David and his team. Short notice and he pulled it off. No hassle and no BS”
Bespoke engagement rings
Diamond Engagement Rings
GIA-certified natural or IGI-certified lab-grown diamonds, with personal guidance from David.
Get advice from DavidPrices are indicative and subject to exchange-rate changes. Confirm your final quote with David.
Natural diamond rings: tell David your budget. He’ll guide you towards the best possible diamond and ring design within it.
Gold is a significant part of your ring’s cost. The gold weight, diamond and design all affect the final price.
1. Choose your diamond
Choose your diamond with David, share her style, then approve the design with our specialist trade jewellers. Match the setting to how she’ll wear the ring every day.
Natural Diamonds
GIA Certified
Earth-formed, rare and timeless. A natural diamond is a symbol of lasting love.
Explore natural diamonds →
Lab-Grown Diamonds
IGI Certified
Real diamonds with the same beauty and brilliance, offering different size and value economics.
Explore lab-grown diamonds →
2. Tell David about her
Share her style,
we'll bring it to life.
Send David ideas, photos or questions. You don't need to know exactly what the finished ring should look like.
Show us a ring she loves, an inspiration photo or simply tell David what you know about her style.
Chat with David
3. Your ring. Designed around your diamond.
Review the design before manufacture. Your ring is made by specialist trade jewellers around your chosen diamond.
See the design and making process
1
Sketch
Your ideas become a clear design direction.
2
CAD Design
Where appropriate, see the design in 3D before manufacture.
3
Refinement
Review the details and design direction before manufacture.
4
Finished Ring
The approved design becomes a ring made around your diamond.
Johannesburg engagement ring appointment
View diamonds with David.
Diamond viewings are arranged in Johannesburg. Cape Town appointments may be arranged with David by prior arrangement.
A diamond engagement ring moment
More about your ring budget
Diamond, gold and design
Plan the complete ring.
David can explain how different diamond sizes, qualities, gold weights and settings fit your total budget.
Why choose Diagem
💎
Diamond Dealers Club of South AfricaFull member of the DDCSA — South Africa's leading body regulating diamond dealers. Membership requires proven ethical standing.
🌐
World Federation of Diamond BoursesMember of the WFDB — the global authority representing diamond bourses and dealers in over 30 countries worldwide.
Learn more →We don't just say we're trustworthy — we're certified by the organisations that define what trust means in the diamond industry.
Verified Google reviews
Latest Google reviews
“Absolutely exceptional service. From first contact till delivery David went above and beyond to assist in creating something beautiful. Really recommend!”
“David's assistance and immediate knowledgeable responses are something to behold.”
Reviews sourced from Diagem Diamonds’ verified Google Business Profile. View Diagem reviews on Google
Questions
Engagement ring questions
Quick answers before you message David.
Do I choose the diamond or the ring design first?
At Diagem, the centre diamond comes first. David helps you choose a natural GIA-certified or lab-grown IGI-certified diamond, then the ring design is developed around that diamond and the style you have in mind.
Can Diagem help if I do not know what style she wants?
Yes. You can send David inspiration photos, a ring she likes, a budget range, or a simple description of her style. Diagem helps translate that into a practical engagement-ring direction.
Do you make engagement rings for online checkout?
No. Diagem is a diamond dealer first, not an online jewellery checkout. Engagement rings are handled by enquiry and appointment so the diamond, budget and design can be checked properly.
Can I choose natural or lab-grown diamonds for an engagement ring?
Yes. Diagem can guide you through both GIA-certified natural diamonds and IGI-certified lab-grown diamonds, depending on your budget, timing and preference.
Where can I view engagement-ring diamonds?
Diamond viewings are arranged in Johannesburg. Cape Town appointments may be arranged with David by prior arrangement.
Are lab-grown diamonds real diamonds?
Yes. Lab-grown diamonds are real diamonds with the same crystal structure as natural diamonds. Diagem explains the difference in origin, value and certificate type so you can choose the right centre stone for the ring.
Tell us what you’re looking for
Start your engagement-ring enquiry.
Send David your preferred diamond shape, approximate budget, timing and the kind of ring you have in mind. He’ll help you compare options and arrange the next step when you’re ready.