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Heirloom and modern jewelry for every occasion.

Welcome to Design Theory

Design Theory is a 2nd generation curator of heirloom and modern jewelry for every occasion including artifacts + collectibles from 3000 BC to today. Design Theory has your next heritage piece from Victorian England, Ancient Sumeria, the roaring 1920s and more. We are well known for our line of engagement and wedding rings dating from the early 1700's to today with many priced under $1000.    


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