Skip to content

Cart

Your cart is empty

Custom Engagement Rings

Lab Diamond Rings in London, ON

Location

380 Wellington St Tower B, 6th Floor, London, ON N6A 5B5

STORE HOURS

By appointment only.

  • Monday - Sunday: 10 AM - 7 PM

Book an appointment with us to work one-on-one with a Polar designer to create something truly yours.

Book a Consultation

About POLAR

POLAR Lab Diamonds specializes in creating custom engagement rings in London that are as unique as your love story.

Our lab-grown diamonds are ethically sourced, conflict-free, and designed to give you maximum brilliance at a fraction of the price of mined diamonds.

Whether you are looking for a solitaire, halo, three-stone, or modern custom diamond ring, our private consultations make designing your dream engagement ring simple, transparent, and enjoyable.

Why Choose POLAR Lab Diamonds in London, ON?

London is a city of culture, elegance, and smart choices — and we bring the same philosophy to engagement rings. POLAR Lab Diamonds offers London couples a modern alternative to traditional jewelry stores: fully custom lab diamond rings without inflated retail markups.

1. Superior Value with Lab-Grown Diamonds

Our lab-grown diamonds in London are chemically and visually identical to mined diamonds. This means you can get:

  • Larger diamonds for the same budget
  • Higher clarity and color grades
  • Custom settings without added retail premiums

Lab diamonds typically cost 30–50% less than natural diamonds, letting you invest in the size and quality you really want.

2. Fully Custom Engagement Rings

We don’t sell pre-made rings. Every ring is designed from scratch to match your style and personality. You choose:

  • Diamond shape and size: round, oval, emerald, cushion, pear, radiant, or heart
  • Diamond specs: cut, clarity, and color preferences
  • Band style: platinum, white gold, yellow gold, rose gold
  • Setting details: solitaire, halo, three-stone, pavé, or vintage-inspired

We provide realistic CAD renderings before production so you can approve every detail.

3. Ethical & Sustainable Diamonds

More London couples are choosing sustainability. Lab-grown diamonds are created using advanced technology with minimal environmental impact. They are conflict-free, ethical, and sustainable — giving you peace of mind along with sparkle.




Popular Lab Diamond Ring Styles in London

At POLAR Lab Diamonds, we design custom engagement rings in London to fit every taste:

  • Solitaire Rings: Classic, timeless, and elegant.
  • Halo Rings: Extra sparkle with diamonds surrounding the center stone.
  • Three-Stone Rings: Symbolic of your past, present, and future together.
  • Vintage & Intricate Designs: Perfect for unique personalities.
  • Minimalist & Modern Bands: Sleek and contemporary for modern couples.

Every ring is crafted with precision to highlight the brilliance and fire of your lab-grown diamond.




How the Custom Lab Diamond Ring Process Works

Designing a lab-grown diamond ring in London with POLAR is simple and transparent:

  1. Consultation: Share your style, inspiration, and budget.
  2. Diamond Selection: Choose your IGI or GIA-certified lab diamond.
  3. CAD Design: Review a detailed 3D rendering of your ring before production.
  4. Crafting & Delivery: Our expert jewelers bring your custom diamond ring to life.

We make sure every step is guided by your preferences, so you get exactly what you envisioned.




Serving London, Ontario with Private Consultations

Instead of crowded jewelry stores, we provide private, personalized appointments for clients in London and surrounding areas, including Downtown London, Wortley Village, Old North, Byron, and Masonville.

  • Compare different lab diamond cuts, sizes, and grades
  • Discuss your budget and ring preferences
  • Review CAD renderings and adjust details
  • Get honest pricing with no hidden fees

Book Your London Appointment

Ready to design your custom lab diamond ring in London, ON? Schedule a private consultation here:

Book a Consultation

We recommend booking in advance, especially during proposal season or around the holidays.




Why POLAR Lab Diamonds is London’s Best Choice

  • Expertise in custom engagement rings
  • Ethically sourced lab-grown diamonds
  • Wholesale-level pricing for better value
  • Personalized one-on-one service
  • CAD previews before production

London couples trust us for engagement rings that impress without breaking the bank. Our rings deliver maximum sparkle, durability, and style — all at a fraction of traditional retail costs.