L.J West's diamond collection consists of the largest collection of rare fancy colored diamonds in the wholesale market including the greatest number of Argyle Pink diamonds in the United States.

Of the 20 million carats of rough diamonds that are produced annually, less than 0.1% is pink. Argyle pink diamonds are rare; in fact they are beyond rare. With just an estimated half a decade of supply remaining in the mine, as time passes the Argyle pink diamond becomes evermore precious.