When the founder of PETRA STAR, Dimitria Koumarnetos, first stepped into the world of jewelry in 1992, she was captivated by the stories the pieces carried – memories, milestones, and love. Trained by nationally recognized experts and educated at GIA, she spent over three decades in fine jewelry, traveling globally to source gems and pieces that reflected both beauty and meaning.
That lifelong journey led her to Mystic, Connecticut, where she opened Petra Star – a gallery that feels warm and inviting. Each piece of jewelry, whether antique or handcrafted and artisan-made, invites clients to discover something far deeper than ornament. Dimitria often helps customers transform sentimental heirlooms into designs that feel personal and current.
Her vision and leadership have earned recognition through the Goldman Sachs 10,000 Small Businesses program and a SeCTerise grant. In 2026, she plans to deepen community ties across southeastern Connecticut and Rhode Island, expanding Petra Star’s role as a place where people can learn and experience wearable art.
“In the end, it’s about hearing my customer’s story through jewelry,” she says.
3 Water St. #102,
Mystic, CT, 860-415-3323,
PetraStar.com
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