18K Solid Gold 1.00 CT Round Cut Lab Grown Diamond Knife Edge Solitaire Engagement Ring
18K Solid Gold 1.00 CT Round Cut Lab Grown Diamond Knife Edge Solitaire Engagement Ring - Side View
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18K · Lab Grown

18K 1ct Round Cut Lab Grown Diamond Knife Edge Solitaire Engagement Ring

$10,592
1.00ct | lab-grown diamond | 18K solid gold.
Total carat weight
1.00 CT
Shape
Round
Diamond type
Lab Grown
Color / clarity
E / VS1
Certification
IGI
Setting
Solitaire
Color 18K Yellow Gold
Ring Size 7

Size Guide

Your selection

Color
18K Yellow Gold
Ring Size
7
Total$10,592
  • Certified Diamonds
  • Free Shipping
  • 30-Day Returns
  • Free Engraving
  • 24/7 Support
  • Lifetime Warranty

FedExUPS Secure Insured worldwide shipping. Estimated delivery Nov 15 – Nov 25.

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Classic, modern, and elegant — this 1.00 CT Round Cut Lab Grown Diamond Knife Edge Solitaire Engagement Ring in 18K solid gold is designed to capture timeless beauty. The ring features a single round cut Lab Grown diamond, weighing 1.00 carat, carefully set in a secure knife-edge solitaire setting that enhances the diamond’s brilliance while offering a sleek, contemporary profile.

The diamond, graded E color and VS1 clarity, ensures remarkable fire and sparkle, making it a perfect centerpiece for a lifetime commitment. The finely crafted 18K solid gold band with its knife-edge design adds sophistication while highlighting the diamond’s Lab Grown radiance.

Certified by IGI for diamond authenticity, this engagement ring blends trust with luxury — a meaningful symbol of love, elegance, and devotion.

Product Details:

  • Metal: 18K Solid Gold
  • Diamond Type: Lab Grown Diamond
  • Diamond Cut: Round
  • Number of Diamonds: 1
  • Total Carat Weight: 1.00 CT
  • Colour: E
  • Clarity: VS1
  • Certifications: IGI Certified
  • Shipping Time: 15–22 days

Frequently Asked Questions

Can this ring be made in my size?
Yes. We make every ring to order in your preferred size, including sizes not listed on our website. Use our size guide or message us on WhatsApp if you're unsure.
What gold options are available?
Our rings are available in 14K and 18K solid gold in yellow, white, or rose gold. 18K is our signature tier; 14K offers the same designs at a more accessible price.
Is this ring made with solid gold?
Yes. All Riyanika rings are made with solid 14K or 18K gold. We do not use gold-plated, gold-filled, or vermeil.
Can I choose natural or lab-grown diamonds?
Yes. Both options are available. Natural diamonds are GIA certified; lab-grown diamonds are IGI certified. Both are chemically and optically identical — the difference is origin and price.
Can the diamond size or shape be customized?
Yes. We can adjust the carat weight and diamond shape to suit your preference. Share your requirements with us on WhatsApp before placing your order.
Is engraving available?
Yes. We offer complimentary engraving on most rings. Provide your preferred text or initials when placing your order.
Will my ring come with a diamond certificate?
Yes. Natural diamonds are certified by the Gemological Institute of America (GIA); lab-grown diamonds are certified by the International Gemological Institute (IGI). Both certificates are included with your order.
Can I see a design preview before production begins?
Yes. For customized or bespoke pieces we provide a CAD (computer-aided design) preview before production starts, so you can approve the design first.
How long does delivery take?
We offer worldwide free shipping. Orders are usually dispatched within 15–22 business days. Shipping time varies by location but generally ranges from 5–7 business days.

Need Help?

Have a question about customization, sizing, or diamonds? Chat with our jewelry specialists on WhatsApp for personalized assistance.

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Loved By Customers

Loved by repeat buyers across the world

That's why we keep coming back.
Josh, Singapore Repeat buyer
I LOVE them — so happy! I can't believe I forgot to message you.
Kate N., Singapore Repeat buyer
Love it, Pri — thank you. Looks gorgeous.
Keshwin, Singapore Diamond eternity band