- Netherlands (Amsterdam)
The smallest brilliant cut diamond weighs 0.0000743 carats, hand cut by Pauline Willemse, at Coster Diamonds B.V. in Amsterdam, Netherlands, between 1991 and 1994. The stone is 0.16-0.17mm. (0.0063 - 0.0067 in.) in diameter and 0.11 mm. (0.0043 in.) in height, and has 57 facets. It is smaller than the average grain of sand on a beach.