JCK Online reports that three separate estates of rare fancy color diamonds, colorless diamonds, diamond jewelry and gemstone jewelry are to be put up for auction on September 16 in New York.

The auction is to be conducted by the Gemological Appraisal Association, a part of the Palmieri Group, in the penthouse (34th Floor) of 580 Fifth Ave. at 10:00 a.m.

The three estates to be placed on the block are the Treasure Trove (a rare collection of fancy color diamond rings), the Howard W. Klein estate (certified diamonds and jewelry), and Alison Gem Corp. (loose diamonds and commercial diamond jewelry). The company announced that the lots will be auctioned in three sessions.

At 9:00, Bruno Scarselli, principal of Scarselli Diamonds, is to offer a kickoff presentation in conjunction with the Natural Color Diamond Association, on the topic of fancy color diamonds.