Our story is built on more than 25 years in the jewelry industry and a simple belief: a boutique should feel personal, welcoming, and deeply connected to its community. Ocean State Diamond Co was created to blend craftsmanship with conversation, luxury with comfort.
From custom engagement ring design to curated designer collections and expert repairs, every detail is intentional. We focus on education, transparency, and making sure each piece marks a meaningful chapter in someone’s life.
What truly sets us apart is our commitment to our community. Through local partnerships, events, and genuine relationships, we strive to be more than a jewelry store. We’re a place where every guest feels seen, supported, and inspired.
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.
Ken Barber
Co-Founder,
Director of Operations
Ocean State Diamond Co.
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 Ferriera
Co-Founder,
Director of Sales
Ocean State Diamond Co.
The Ocean State Diamond Couples
An exclusive membership program for newly engaged couples who have purchased their engagement rings from Ocean State Diamond Co.