Private Label

3.83 Carat Single Source™ Diamond Solitaire Engagement Ring

Regular price $70,405

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Extended holiday returns

Price match to other retail brands

Your invitation to explore our showroom

4210 N. Federal Hwy.

Lighthouse Point, FL

33064

This Blockchain Diamond Solitaire Ring is a bold expression of modern love. Crafted in a sleek silhouette, this ring features a striking F color and SI2 clarity round-cut diamond, ethically sourced in South Africa and securely set in a 18K white gold thin band.
Every diamond is digitally verified through a tamper-proof blockchain ledger, guaranteeing its authenticity, conflict-free origins, and responsible sourcing—so you can wear your values in style.


  • SKU: BC00C30-195909
  • Vendor Model:C30-195909
  • Gender:Female
  • Warranty:1 year manufacturer warranty from date of purchase for manufacturer defects. PLUS 1 year extended warranty from JR Dunn Jewelers.
  • Country of Origin:South Africa
  • Color:White
  • Gemstone Details:1 diamond F color and SI2 clarity (3.83tw)
  • In Stock: Available to Order

Perfect Fit

Use a string, tape, or printable ring sizer to measure your finger. Check our size chart for a seamless match. Remember, fingers can swell, so measure at room temperature for accuracy.

WE'RE GLAD YOU'RE HERE

Our Story is Your Guarantee

the house of gems

Jim & Ann Marie Dunn founded their very first jewelry store out of a small house in Hanover, Massachusetts.

the house of gems

1969
From Loss to Legacy

A devastating store robbery became an opportunity for Ann Marie and Jim to go door to door, replacing the jewels clients lost. In the process, they built a community founded on reputation and trust.

From Loss to Legacy

1970
Becoming J.R. Dunn Jewelers

Jim, Sean & Ann Marie Dunn made the move to South Florida, becoming J.R. Dunn Jewelers.

Becoming J.R. Dunn Jewelers

1978
An Official Rolex Jeweler

This year, J.R. Dunn celebrates 30 years as an Official Rolex Jeweler, a partnership that reflects decades of excellence and service.

An Official Rolex Jeweler

1995
The First Dunn’s Run

Jim founded Dunn’s Run, adding a chapter to our long-standing commitment to local causes, raising millions over the years in support of the Boys & Girls Clubs of Broward County.

The First Dunn’s Run

1996
Embracing the Digital Age

Already an Official Jeweler for top brands, J.R. Dunn became one of the first independent jewelers to establish a successful e-commerce presence, shipping to clients near and far.

Embracing the Digital Age

2005
Honoring Jim’s Vision

Discover our exquisite collection featuring timeless designs and exceptional craftsmanship.

Honoring Jim’s Vision

2024
Showroom Reveal

Jim’s dream came true, a state-of-the-art expansion for your neighborhood jeweler. And this year, we welcomed you in.

Showroom Reveal

2025

Now that you know our story, let’s find the jewelry that will become a part of yours. When you call, you’ll be personally welcomed by Sales Professionals Steve & Chris, right from our South Florida showroom. They’ll guide you with concierge-level service through it all, from gift recommendations to sending personalized videos shown on a model, or comparing product measurements. Whatever helps you discover the perfect piece.

Welcome to the Family