: Based in NYC, specializing in vintage engagement rings and rare cuts.
: A luxury auction site where all items are professionally inspected and authenticated by third parties like GIA before they are listed. where to buy second hand diamonds
: A highly trusted global source for antique and estate pieces based in San Francisco. : Based in NYC, specializing in vintage engagement
: Connects buyers and sellers directly and partners with GIA for laboratory verification of every diamond traded. 2. Estate and Antique Jewelers : Based in NYC
: A peer-to-peer marketplace focusing on sustainable, pre-owned jewelry without retail markups.