Ken Barber
Co-Founder,
Director of Operations
Ocean State Diamond Co.
At Ocean State Diamond Co., we’re more than just a jewelry store — we’re two friends who share a passion for quality, and helping people celebrate life’s most meaningful moments. After years in the industry, we decided to bring our vision to life right here in North Providence, opening a fine jewelry store that blends timeless elegance with a fresh, personal approach.
We specialize in finely curated diamonds, custom engagement rings, luxury pieces, and everyday staples — all hand-selected with integrity and style. Whether you’re shopping for a milestone or just treating yourself, we’re here to make the experience memorable, relaxed, and tailored to you.
At the heart of Ocean State Diamond Co. is a commitment to trust, transparency, and Rhode Island pride. We’re not just selling jewelry — we’re building relationships, one piece at a time.
Come visit us — Experience the Best
With over 25 years in the jewelry industry, Ken Barber brings a wealth of knowledge and heart to Ocean State Diamond Co. His career has spanned everything from custom design and diamond sourcing to helping clients find the perfect piece to mark life’s biggest moments — all with a deep commitment to quality and care.
Before stepping into the world of fine jewelry, Ken proudly served 8 years in the U.S. Army, where he developed the discipline, integrity, and leadership that continue to define his approach to business today.
As a passionate advocate for the LGBTQ+ community, Ken is dedicated to making Ocean State Diamond Co. a welcoming and inclusive space for everyone. His mission is simple: to create beautiful jewelry and genuine connections, built on trust, respect, and authenticity.
Ken’s vision for Ocean State Diamond Co. is rooted in his belief that everyone deserves to celebrate who they are and who they love — with pieces as unique and meaningful as their stories.
With over 10 years of sales experience, Anthony Ferriera brings a natural energy, drive, and passion that makes him a standout. With a knack for connecting with people, he’s quickly made his mark as a consummate salesperson who truly listens and delivers.
Beyond the jewelry cases, Anthony is also a dedicated artist, channeling his creativity and voice into his music — an extension of his authenticity and deep roots in self-expression. His artistry brings a fresh perspective to Ocean State Diamond Co., where he blends culture, creativity, and luxury in a way that feels modern and meaningful.
At his core, Anthony is a family man. Every piece he helps someone pick out — every engagement ring, necklace, or custom design — is guided by the same love and loyalty he brings to his own family. That’s what drives him every day.
With Anthony, it’s more than a sale — it’s about making sure every client leaves with something they’ll cherish forever.
Anthony Ferreira
Co-Founder,
Director of Sales
Ocean State Diamond Co.
