The images illustrate the design set with a 2 ct centre stone and ring size M. CAD rendered images.
Nikki Platinum Accent Engagement Rings 1ct Oval Lab-Grown Diamond Engagement Ring
R 28,280.00 (complete ring with a lab-grown diamond)
Metal: Platinum
Accent Stones Type: Lab Grown
Accent Stones Setting: 1/2
1.09 Carat Oval Lab-Grown Diamond D · VVS2 · VG polish · SGL SGLXD429424Y · Diamond Details
A complete ring: this setting with the accent stones you choose, set with the lowest-priced lab-grown diamond of that carat (1.00 to 1.09 ct, and so on) in colour D to F, clarity VVS2 or better, polish Excellent or Very Good. The diamond's price is confirmed on the next step. All prices include 15% VAT.
Prefer another diamond? Design this ring with a diamond or gemstone of your choice.
Questions? We are here to help.
Ring Details
Understated Elegance, Bold Expression
The Nikki Solitaire engagement ring is a timeless treasure that reflects elegance in every curve. With its graceful silhouette and refined sparkle, this ring celebrates love with a quiet confidence. Whether you're proposing or upgrading a cherished piece, the Nikki is a heartfelt expression of enduring commitment.
At the centre of this captivating design lies a brilliant oval-shaped diamond, held securely in place by four expertly crafted claws. The elongated shape flatters the hand while offering exceptional fire and brilliance. Choose from a Natural Diamond, Lab-Grown Diamond, Coloured Gemstone, or even a client-supplied stone using our custom diamond ring builder to personalise your perfect centrepiece.
Crafted in premium platinum, the band is elegantly adorned with accent stones that enhance the ring’s radiance without overpowering its centre. Select from Natural Diamonds, Lab-Grown Diamonds, or Moissanite to tailor your sparkle to your style. The band’s sleek, polished finish pairs beautifully with the soft contours of the oval diamond, creating harmony from every angle.
Proudly handcrafted in South Africa, each Nikki ring embodies masterful craftsmanship and a commitment to ethical sourcing. Ralph Jacobs Jewellers values sustainability, sourcing diamonds and metals responsibly while ensuring every piece is made to last. This design is as suitable for daily wear as it is for life’s special occasions — a perfect balance of beauty and durability.
With Ralph Jacobs, you receive more than a ring — you inherit a legacy of quality, trust, and artistry. The Nikki Solitaire engagement ring is a personalised promise, designed to celebrate your story today and for generations to come.
Centre Diamond Details
What's Included
- Exclusive Ralph Jacobs Packaging
- Complimentary earrings with qualifying ordersThe earrings included depend on your order value.
- 60-day ring resize labour benefitWe cover our standard resize labour on one eligible resize within 60 days of delivery. Courier, extra metal and plating are not included, and some rings cannot be resized. Resize policy
- Insurance Replacement Estimate
- Diamond Grading Report
Financing & Payment Options
Pay in full by card, EFT or instant EFT, or spread the cost of your ring with one of these options at checkout (subject to the provider's approval):
- HappyPay — pay in 3, or in 2 with zero deposit, interest free. Learn more
- Payflex — split into 4 interest-free payments. Learn more
- PayJustNow — pay in 3 interest-free payments. Learn more
You'll see the instalments for your complete ring, with its centre stone, before you pay.
Delivery
Manufacturing & Delivery
Order by 2 December for priority production. We aim to dispatch before we close on 21 December, but we can’t promise delivery before Christmas. Need your piece by a set date? Tell us before you order and we’ll confirm in writing whether we can make it.
Each piece is handcrafted to order for you. We deliver within 30 working days with a laboratory-grown stone, or 40 working days with a natural diamond or gemstone, which we source and clear through the South African Diamond and Precious Metals Regulator first. Add up to 10 working days outside South Africa. If we are ever going to be late, we tell you first, and you choose a new date or a full refund.
Each piece is handcrafted to order for you. Our workshop is finishing 2026 orders and starts new work on 11 January 2027, so orders placed now are made from 11 January 2027. We deliver within 30 working days of 11 January 2027 with a laboratory-grown stone, moissanite, no stone or your own stone, or 40 working days with a natural diamond or gemstone. Add up to 10 working days outside South Africa. If we are ever going to be late, we tell you first, and you choose a new date or a full refund. Seasonal notice
- Order confirmedWe confirm your design, metal and ring size.
- Stone sourcedWe secure your centre stone.
- Handcrafted Made to order: delivered within 30 working days of payment, not counting our festive closure (21 Dec – 8 Jan).Made from 11 January 2027: delivered within 30 working days (by 19 February 2027). Made to order: delivered within 40 working days of payment, not counting our festive closure (21 Dec – 8 Jan).Made from 11 January 2027: delivered within 40 working days (by 5 March 2027). Made to order: delivered within 30 working days with a laboratory-grown stone, or 40 working days with a natural stone, of payment, not counting our festive closure (21 Dec – 8 Jan).Made from 11 January 2027: delivered within 30 working days (by 19 February 2027) with a laboratory-grown stone, or 40 working days (by 5 March 2027) with a natural stone.
- Checked and dispatchedFinal quality check, then free tracked delivery, signed for on delivery.
13 January 2027
Within 30 working days if you order today, excluding weekends and South African public holidays and our festive closure (21 Dec – 8 Jan). This is the date we commit to. If we are going to miss it, we tell you before then.Within 30 working days of 11 January 2027, when our workshop reopens, excluding weekends and South African public holidays and our festive closure (21 Dec – 8 Jan). This is the date we commit to. If we are going to miss it, we tell you before then.27 January 2027
Within 40 working days if you order today, excluding weekends and South African public holidays and our festive closure (21 Dec – 8 Jan). This is the date we commit to. If we are going to miss it, we tell you before then.Within 40 working days of 11 January 2027, when our workshop reopens, excluding weekends and South African public holidays and our festive closure (21 Dec – 8 Jan). This is the date we commit to. If we are going to miss it, we tell you before then.With a laboratory-grown stone13 January 2027
With a natural stone27 January 2027
We will keep you updated throughout the manufacturing process via email and WhatsApp.
Free Tracked Delivery
Free tracked delivery anywhere in South Africa
Free delivery by tracked courier anywhere in South Africa, with a signature or one-time PIN on delivery. Never left at the door.
Manufacturing Warranty
Every ring is covered by our Warranty and Care Policy, on top of your rights under the Consumer Protection Act. The policy explains what is covered, how to care for your ring and how to make a claim. Need a different size? Our 60-day resize benefit covers the labour.
Warranty and Care Policy · 60-Day Ring Resize Labour Benefit · Jewellery Care Guide
Get Inspired
Your budget, your choice
More ways to own the Nikki Accent Stone Engagement Ring
The same setting with three choices of centre stone, so you can find the ring that suits your budget.
-
Design your own
Choose any certified diamond
This setting with a certified natural or laboratory-grown diamond, or a gemstone, in the size and grade you choose.
Setting from R 24,080.00
-
Pre-set ring
With a laboratory-grown diamond
This setting with a laboratory-grown diamond we've chosen for it, at one complete price, ready to order.
Complete ring from R 28,280.00
- 1 ct laboratory-grown diamondR 28,280.00
- 2 ct laboratory-grown diamondR 35,270.00
- 3 ct laboratory-grown diamondR 38,030.00
You're viewing this
-
Moissanite ring
With a moissanite centre stone
This setting with a moissanite centre stone: brilliant, and lower in cost than a diamond of the same size.
Complete ring from R 26,146.00
- 9x7mm · looks like 2.0 ctR 26,146.00
- 10x8mm · looks like 2.5 ctR 27,037.00
Complete-ring prices use the setting's lowest option. Every ring is made to order in South Africa.
Ralph Jacobs · Shop 6B, Lake Umuzi Waterfront, 1 Kiewiet Street, Secunda, Mpumalanga, 2302 · +27 87 551 7635 · sales@ralphjacobs.co.za