David Birnbaum / Rare 1 announces the sale of a rare D Flawless 66 carat cushion-cut diamond pendant. The diamond was cut from a stone originally weighing 135 carats.

David Birnbaum, founding principal of David Birnbaum / Rare 1 (www.rare1.com) is known for offering exclusive “ultra high-end” gems. The firm – which projects globally, specializes in “the rare and the extraordinary.” The mantra of the firm is that it offers a unique “package, quality, value, selection, discretion, service as well as a top private brand. Birnbaum maintains that given his firm’s apex position in extraordinary quality and extraordinary selection – as well as its full-spectrum package – it has no true direct competitor in the Americas.

David Birnbaum / Rare 1 acts as a direct source for rare and extraordinary diamonds, emeralds, rubies and sapphires. A variety of jewel options are available, but the primary focus on 5-50+ carats. Whether classic designs or cutting-edge, all rings are custom-crafted. The firm has a 100 year “heritage of excellence.” Clients range from up-and coming bankers through heads of state.

The Birnbaum Group is based on Fifth Avenue adjacent to the Rockefeller Center. From their seventh floor Upstairs salon, David Birnbaum / Rare 1 associates work to cater to a wide variety of clients from all corners of the globe. The focus is on providing clients with rare or exclusive gems, often, so-to-speak “mission impossible” challenges.

David Birnbaum has announced the sale of a rare D Flawless 66 carat cushion-cut diamond pendant. The sale was completed to a private collector who is the chairman of a major West Coast financial institution. This Optimal-cut D Flawless diamond is extraordinarily rare.

In order to create this high quality pendant, a Russian-mined diamond which originally weighed 135 carats in the rough was brought to the Birnbaum – affiliated diamond cutting factory in New York. The rough diamond was then cut and polished to meet the demanding requirements of David Birnbaum / Rare 1.

Items typically range from 5 carats and up, and from $50,000 and up.