Certified Lab-Grown Diamonds
Every diamond is ethically grown and independently graded by IGI, GIA, or GAL for color, clarity, cut, and carat. You will always know exactly what you are buying.
Custom Engagement Ring Designs
Your love story deserves a ring as unique as the person wearing it. With Brilliant Diamonds, you can design a custom engagement ring that reflects your personality, style, and budget — created by expert jewelers using IGI-certified lab-grown diamonds and premium craftsmanship.
Each design begins with your vision. Our master jewelers transform your ideas into CAD renderings and hand-finished pieces with precision and care.
How Our Custom Process Works
- Share Your Vision: Tell us what inspires you — from Pinterest photos to sketches or heirloom references. We can work from any idea.
- Choose Your Diamond: We will help you select the perfect certified lab-grown diamond by shape, size, and budget.
- View Your Design: Our design team will create detailed 3D CAD renderings for your review and approval.
- Production: Once approved, your ring is handcrafted by our jewelers and inspected for quality before shipping.
- Delivery: Your custom ring ships securely, insured, and beautifully packaged, ready for your proposal moment.
Most custom rings are completed in 2 to 4 weeks after design approval. Rush orders are available depending on the complexity of the design.
Why Design Your Ring With Brilliant Diamonds
Lifetime Warranty
Your custom ring includes lifetime coverage against manufacturing defects. We stand behind our craftsmanship for the life of your jewelry.
Risk-Free Shopping
Enjoy free U.S. shipping, 30-day returns on eligible items, and secure checkout. We make it easy and transparent from design to delivery.
Design Inspiration
Whether you want a modern solitaire, a hidden halo, or a vintage-inspired three-stone design, we can bring your idea to life. Our designers can also recreate or reimagine heirloom pieces using your existing stones or metal.
- Popular Shapes: Round, Oval, Radiant, Emerald, Cushion, and Pear.
- Metal Choices: 14K or 18K White Gold, Yellow Gold, Rose Gold, or Platinum.
- Accent Options: Hidden halos, knife-edge shanks, vintage milgrain, or floating settings.
What To Expect During The Process
- Transparent Communication: You will receive regular updates throughout the design and production process.
- Secure Shipping: Every finished ring ships fully insured with signature confirmation and discreet packaging.
- Lifetime Care: We are here for cleanings, inspections, and resizing as your needs evolve.
FAQs
How long does a custom engagement ring take?
Most custom designs are completed within 2 to 4 weeks after design approval, depending on complexity and materials. Rush service may be available.
Can I use my own diamond or gemstone?
In many cases, yes. Our jewelers can inspect your stone to ensure it can be securely set in your chosen design.
Do you offer design previews?
Yes. We provide detailed 3D CAD renderings before any production begins so you can visualize and approve the final design.
What if I change my mind after seeing the design?
You can request adjustments before production begins. Once the CAD is approved and casting starts, materials and labor are committed to your piece.
Is my custom design covered under warranty?
Yes. Every Brilliant Diamonds custom engagement ring includes a lifetime manufacturing warranty. See our Lifetime Warranty page for details.