About Us

Design Theory is a 2nd generation curator and dealer of antique, vintage and contemporary jewelry, as well as artifacts + collectibles from 3000 BC to today.

Design Theory has your next heirloom piece from Victorian England, France, ancient Sumeria or the roaring 20's. We are well known for our collection of engagement and wedding rings from the early 1700's to the Art Deco era. We also have rings for the modern bride.

Social Responsibility

Design Theory is a regular contributor to local non-profit organizations involved in community building activities in the Puget Sound like: Imagine Housing, Habitat for Humanity, Morningside Academy, Refugee Women's Alliance, Spruce Street School and Youthcare. We have also recently partnered with Humane Society International as a regular contributor of a portion of our proceeds.