Polygon is the most active online community and trading network for qualified gem and jewelry professionals. Established in 1984, Polygon has helped thousands of members gain invaluable knowledge and find unique trading opportunities that have significantly impacted the year over year growth of their business.  Polygon provides a sophisticated online environment for members to actively interact on the forums, and buy and sell loose diamonds, finished and semi-finished jewelry, precious and semi-precious gemstones, pearls, watches, estate pieces, coins, precious metals and more.  The high caliber of members on the network and the active participation of some of the brightest minds in the industry have made Polygon’s community one of the most avidly sought business tools in the trade.