Lab Diamond Engagement Rings South Africa

Moissanite by Design

Lab Diamond Engagement Rings South Africa, Custom Crafted Just For You

Q: What certification do your lab diamonds carry?

Our lab grown diamonds are certified by IGI and GIA. Each certificate confirms the stone's cut, colour, clarity, and carat weight.

Q: Can I design a custom lab diamond engagement ring?

Absolutely. You share your idea, we produce a detailed CAD render for your approval, then we craft. Most custom orders complete within 4 to 6 weeks.

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IGI & GIA Certified
Ships Nationally & Internationally
PayFlex & PayJustNow Available
Bespoke Custom Designs
Est. 2020

Lab Diamond Engagement Rings Moissanite by Design

Lab diamond engagement rings made for South African couples

Moissanite by Design crafts custom lab diamond engagement rings for couples who want the real thing without the mined diamond price tag. Every lab grown diamond we use is certified by IGI or GIA and identical to a mined diamond in every measurable way.

You get the same fire, hardness, and brilliance at 50 to 70 percent less than an equivalent natural stone. We also work with moissanite engagement rings, giving you two outstanding options side by side. Either way, you deal directly with the designer from the first message to delivery.

Start your custom design

10Mohs hardness, matching a natural diamond exactly

2.42Refractive index, identical to a mined diamond

50 - 70%Less than a mined diamond of the same grade and carat

4 to 6Weeks to craft your bespoke ring from first consultation

Best Seller

Oval Solitaire Lab Diamond Lab Diamond Engagement Ring

Lab Diamond

R22,850

Pear Cut Halo Lab Diamond Lab Diamond Engagement Ring

Lab Diamond

R26,850

Radiant Solitaire Lab Diamond Lab Diamond Engagement Ring

Lab Diamond

R22,850

Popular

1.04ct Oval Lab Diamond Solitaire Lab Diamond Engagement Ring

Lab Diamond · 9ct Gold

R19,995

Pear Solitaire Lab Diamond Lab Diamond Engagement Ring

Lab Diamond

R22,850

New

1.18ct Oval Twisted Band

Lab Diamond Lab Diamond Engagement Ring

R20,850

Asscher East West Lab Diamond

Lab Diamond

R22,850

Pear & Marquise Toi Et Moi Lab Diamond Engagement Ring

Lab Diamond

R45,980

1ct Lab Diamond Solitaire Lab Diamond Engagement Ring

Lab Diamond · 18ct White Gold

R33,250

6ct Half Bezel Pear Lab Diamond Lab Diamond Engagement Ring

Lab Diamond

R45,980

Shop lab diamond rings by stone shape

Round

Oval

Pear

Cushion

Emerald

Princess

Marquise

Radiant

Heart

Asscher

What makes a lab diamond different?

A lab grown diamond is chemically and optically identical to a mined diamond. Certified by IGI or GIA. Same fire, same hardness, same grading. At 50 to 70 percent less than the mined equivalent.

Browse lab diamond rings

Design a custom lab diamond engagement ring

Design something one-of-a-kind

Bring your idea or a reference image. We produce a 3D CAD render for your approval before a single piece of metal is touched. Most bespoke orders complete within 4 to 6 weeks.

Start the process

Shop by style

Solitaire

Halo

Pavé

Toi Et Moi

Bezel

Radiant

Why choose Moissanite by Design?

IGI and GIA certified stones

Every lab diamond comes with a grading certificate from one of the world's two most respected gemological institutes.

Made for South Africa

Founded in 2020, MBD was built around what South African couples actually need, from lobola rings to once-in-a-lifetime bespoke pieces.

Approve before we craft

You see a detailed 3D render of your ring before production begins. Nothing goes into production without your sign-off.

Flexible payment options

Pay via PayFast, PayFlex, PayJustNow, or bank transfer. Fine jewellery on your terms, at your pace.

Ships nationally & internationally

Fully insured, tracked delivery to your door, whether you are in Johannesburg, Cape Town, or anywhere in the world.

Personal, direct service

You deal directly with the designer. No sales team, no scripts. Real answers to real questions, every time.

Lab diamond ring pricing guide

Prices are indicative and depend on carat, cut grade, metal, and setting. Contact us for an exact quote.

Carat weight	Stone grade	Starting price (ZAR)
0.5ct	F VS1	From R17,500
1ct	F VS1	From R26,500
1.5ct	F VS1	From R38,000
2ct	F VS1	From R58,000
3ct+	F VS1	From R90,000

All rings made to order. Prices in ZAR, exclude delivery. Get an exact quote here.

Questions about lab diamond engagement rings

Are lab grown diamonds real diamonds?

Yes. Lab grown diamonds are chemically, physically, and optically identical to mined diamonds. Graded by the same international laboratories using the same 4C criteria. The only difference is origin.

How much do lab diamond engagement rings cost in South Africa?

Lab diamond engagement rings at Moissanite by Design start from R17,500. Lab diamonds cost 50 to 70 percent less than mined diamonds of the same size and quality, meaning you can choose a significantly larger stone for the same budget.

What certification do your lab diamonds carry?

Our lab grown diamonds are certified by IGI (International Gemological Institute) and GIA (Gemological Institute of America). Each certificate confirms the stone's cut, colour, clarity, and carat weight.

Can I design a custom lab diamond engagement ring?

Absolutely. You share your idea or reference image, we produce a detailed CAD render for your approval, then we craft. Most custom orders complete within 4 to 6 weeks. You deal directly with the designer throughout.

Do lab diamonds hold their value?

Lab diamonds cost significantly less to buy, meaning you get more stone for your money. For couples prioritising size, quality, and budget, lab diamonds offer outstanding value.

What metals are available for lab diamond rings?

Rings are available in 9ct and 18ct yellow gold, white gold, and rose gold, as well as platinum. We guide you through the options during your consultation.

Ready to start?

Design your lab diamond engagement ring

Book a free consultation. Approve your 3D render. We craft and deliver to your door.

Book a free consultation

Lab diamond engagement rings in South Africa

If you are looking for lab diamond engagement rings in South Africa, you want a stone that is real, certified, and priced honestly. Moissanite by Design sources IGI and GIA certified lab grown diamonds and sets them in custom designed rings crafted locally in South Africa.

A lab grown diamond is not a simulant. It is not cubic zirconia. It is not moissanite. It is a real diamond, grown atom by atom using the same process that produces mined diamonds. The result is a stone that passes every diamond test, carries a legitimate certificate, and looks identical to a natural stone.

Custom lab diamond rings made to order

Every ring we make is custom crafted. You choose the stone shape, the setting style, the metal colour, and the band profile. We produce a detailed 3D CAD render for your approval and only begin crafting once you are completely happy. Most orders complete within 4 to 6 weeks. Browse our engagement ring collection for inspiration, or compare moissanite and lab diamond options side by side during your consultation.

Lab Diamond Engagement Rings South Africa

We design and craft lab diamond engagement rings for couples across South Africa, with every ring made to order in our Cape Town workshop. All stones are IGI-certified and graded to the same standard as mined diamonds. Engagement rings start from R22,850 for a 1ct round brilliant in 9ct white gold. Every ring ships free, fully insured, to any South African address and carries a lifetime warranty and a free resize within 12 months.

What Makes a Lab Diamond a Real Diamond

A lab-grown diamond is composed of pure carbon in an identical crystal structure to a mined diamond. It is graded on cut, colour, clarity, and carat weight by independent gemological laboratories. A round brilliant D colour, VS2 clarity lab diamond is indistinguishable from a mined stone with those same grades under any normal examination. For a full explanation, read our guide to lab-grown diamonds. To understand how lab diamonds compare to moissanite, read our moissanite vs diamond guide.

Lab Diamond Engagement Ring Range and Pricing

We offer lab diamond engagement rings in round brilliant, oval, emerald, cushion, pear, radiant, and princess cuts. Settings include solitaire, halo, three-stone, pave band, and fully custom configurations. A 1ct round brilliant solitaire in 9ct white gold starts from R22,850. A 1.5ct starts from R38,500. A 2ct starts from R62,000. Stone grades we carry as standard: colour D-G, clarity VS2 or better, with VVS1 and VVS2 available at a premium.

The Custom Process and Wedding Band Matching

We work custom-first. The process starts with a consultation by WhatsApp or video call. We return with stone options, design concepts, and a full itemised quote within five business days. Lab diamond rings in gold take four to five weeks. Platinum settings take five to six weeks. We also design lab diamond wedding bands to pair with any engagement ring, starting from R12,500 for a standard pave design. See the full lab-grown diamond rings collection or visit the Moissanite by Design homepage. Request a quote to start.

Customer Love - Reviews From Our Happy Customers

      EXCELLENT  
   Based on 43 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   shwetha balkissoon 
 
 
 
 Trustindex verifies that the original source of the review is Google. I’ve always dreamt about what my engagement ring would look like, but Moissanite by Design went beyond anything I could have imagined. My fiancé searched through so many options and companies before finding them, and the second he did, he had zero doubts. He knew they were the one, and I am honestly so happy he went with you guys.

They crafted the most stunning elongated cushion cut ring that’s perfect. You can honestly feel the love and care they put into every single detail. Every time I look at it, I can’t help but smile because it’s everything I wanted and more.

Thank you for making something so meaningful and special for us.

I would recommend this company to absolutely anyone. Even the way they respond to messages, with such genuine kindness and care, makes you feel like you’re not just a customer but you’re part of a family.
  
 
      Posted on Google  
   
   cenza rhoda 
 
 
 
 Trustindex verifies that the original source of the review is Google. Amazing service. I got exactly what I wanted down to the smallest detail!! Could not recommend them more.
  
 
      Posted on Google  
   
   kyle caplan 
 
 
 
 Trustindex verifies that the original source of the review is Google. Absolutely amazing experience with support every step of the way. Lorna is always available to answer questions and provide support whenever needed. She goes above and beyond to make sure her customers are satisfied. Great service and excellent quality items produced. 2 custom rings and it has been a pleasure dealing with the team
  
 
      Posted on Google  
   
   N Littleford 
 
 
 
 Trustindex verifies that the original source of the review is Google. I can confidently say that I received 5-star service from Lorna. From the initial inquiries and timely responses to assistance with designs and new CAD drawings after design changes, Lorna was exceptional. In the end, my fiancée is obsessed with the ring. I would recommend Moissanite By Design to anyone.
  
 
      Posted on Google  
   
   Morwesi Kometsi 
 
 
 
 Trustindex verifies that the original source of the review is Google. I bought the rings yesterday online, received them this morning. Lorna is a Rockstar, very helpful. I'm obsessed with the set, it's definitely an upgrade. Keep shining,Lorna and your team.
  
 
      Posted on Google  
   
   Sherozaan Bell 
 
 
 
 Trustindex verifies that the original source of the review is Google. Absolutely fell in love with my ring when I saw it, it was a custom design but Lorna gave me more than I expected.

Will most definitely use moissanite by design for any of my future needs.
  
 
      Posted on Google  
   
   Kyle Patience 
 
 
 
 Trustindex verifies that the original source of the review is Google. Very easy dealing with over email. Very impressed by the quality of the stone and the workmanship of the ring when received.
  
 
      Posted on Google  
   
   Eden Visagie 
 
 
 
 Trustindex verifies that the original source of the review is Google. Honestly couldn't be happier with mu dream ring!!!
  
 
      Posted on Google  
   
   James Simmons 
 
 
 
 Trustindex verifies that the original source of the review is Google. This company were a pleasure to work with. I requested an alteration to an existing ring design on their website and they went above and beyond to make it happen. The end result was absolutely stunning and my fiancée was delighted!
  
 
  
  
 
     Verified by Trustindex  Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

About Us

Our Story - About Moissanite by Design

Jewellery With Meaning, Made in South Africa

Moissanite by Design was founded to offer couples a better way to buy engagement rings, transparent pricing, handcrafted quality, and stones that reflect modern values.

When our founder discovered moissanite during the global pandemic, it was clear this gemstone offered what so many couples were searching for: the same beauty and sparkle as a diamond, but with ethical sourcing and affordability.

Today, every engagement ring we create is custom made locally in South Africa. You’ll find no pressure, no unnecessary markup, and no compromise, just jewellery designed to celebrate your love honestly and beautifully.

In the Hands of Love, As Worn by Our Clients

Discover the beauty of our jewellery in the moments it was made for. From stunning engagement rings and wedding bands to bespoke fine jewellery, every piece is handcrafted in South Africa and worn with love by our clients. Let these creations inspire your own design and show you what is possible when craftsmanship meets personal meaning.