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Heirloom and modern jewelry for every occasion.

Welcome to Design Theory

Design Theory is an online retail store that curates vintage and modern jewelry and collectibles. Thousands of pieces from Ancient Rome-Egypt-Holy Lands, Victorian, Georgian, Edwardian, Art Deco, Retro, 1950's Glitz, Boho-Chic 1960's, Tribal and Contemporary eras. Special line of new and vintage engagement rings under $1000. Design Theory does special requests and layaway, just call us at 800-710-2780.

1752 Northwest Market Street #205 Seattle, WA 98107 United States 800-710-2780

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