Design Theory is a 2nd generation dealer of rare and vintage jewelry, artifacts and collectibles from 3000 B.C. to today, including Ancient, Medieval, Byzantine, Renaissance, Viking, Estate, Georgian (1714-1830), Victorian (1837-1901), Edwardian (1901-1910), Art Deco (1920-1940), Retro (1940s), Vintage (1940s-80s), and Contemporary eras. Design Theory carries wedding bands, engagement rings, eternity bands, vintage jewelry, bracelets, tribal, earrings, rings, cufflinks, pocket watches, wristwatches, natural stone jewelry and semiprecious jewelry. Our pieces hail from Egypt, Asia, Sumeria, the Holy Lands, Medieval and Renaissance Europe, Rome, Greece and the United States. Nowhere else will you find such an array of beautiful, affordable heritage pieces all in one place! Design Theory has a special line of estate engagement and wedding Victorian and Art Deco rings under $1000.