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Nikki 18K White Gold Solitaire Engagement Rings 3ct Round Lab-Grown Diamond Engagement Ring

R 32,080.00 (complete ring with a lab-grown diamond)

SettingR 23,200.00 R 18,560.00 (Black Friday 20%)
Lab-Grown DiamondR 13,520.00
Your Ring TotalR 32,080.00

3.07 Carat Round Lab-Grown Diamond F · VVS2 · EX cut · IGI LG853644751 · 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, cut 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

Timeless Elegance: The Nikki Solitaire Engagement Ring

The Nikki solitaire engagement ring embodies simplicity and sophistication, making it an exquisite choice for anyone looking to celebrate love with a meaningful and elegant piece. Its classic design ensures it remains a cherished symbol for years to come.

At its heart lies a stunning round centre stone, which you can personalise through our diamond ring builder. Choose from a Natural Diamond, Lab-Grown Diamond, Coloured Gemstone, or even your own precious stone. The four claws securely hold the stone, allowing maximum brilliance and sparkle to shine through.

The plain band is crafted from 18k white gold, offering a sleek and timeless backdrop that enhances the stone’s beauty while providing everyday comfort and durability. This minimalistic band style is perfect for those who appreciate refined elegance.

Meticulously handcrafted by skilled South African artisans, this engagement ring reflects Ralph Jacobs Jewellers’ commitment to ethical sourcing and superb craftsmanship. Designed for daily wear, the Nikki ring is as practical as it is beautiful.

With Ralph Jacobs Jewellers, you receive not just a ring but a promise of quality, integrity, and the flexibility to customise your Nikki engagement ring to perfectly reflect your unique story and style.

Metal18K White Gold
StyleSolitaire
Centre Diamond Details
Carat3.07 ct
ColourF
ClarityVVS2
Size9.21 x 9.29 mm
What's Included
Ralph Jacobs presentation box
  • 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.

  1. Order confirmedWe confirm your design, metal and ring size.
  2. Stone sourcedWe secure your centre stone.
  3. Handcrafted 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).
  4. Checked and dispatchedFinal quality check, then free tracked delivery, signed for on delivery.
Delivered By

With a laboratory-grown stone13 January 2027

With a natural stone27 January 2027

Within 30 or 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.

Delivery times and what happens if we are late

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.

Shipping and delivery policy

Courier Partner
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.

Get Inspired

Your budget, your choice

More ways to own the Nikki Solitaire Engagement Ring

The same setting with three choices of centre stone, so you can find the ring that suits your budget.

View all Nikki Solitaire metals and shapes
  • 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 18,560.00

  • 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 22,520.00

    • 1 ct laboratory-grown diamondR 22,520.00
    • 2 ct laboratory-grown diamondR 27,740.00
    • 3 ct laboratory-grown diamondR 32,080.00

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  • 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 19,370.00

    • 6.5mm · looks like 1.0 ctR 19,370.00
    • 7mm · looks like 1.25 ctR 19,573.00
    • 8mm · looks like 2.0 ctR 20,099.00
    • 9mm · looks like 2.75 ctR 20,707.00

Complete-ring prices use the setting's lowest option. Every ring is made to order in South Africa.