Can the Bao Dai/Sunrise Pearl be considered as a perfectly round or spherical pearl ?
The Bao Dai/Sunrise Pearl considered as the largest and roundest pearl in the world, has been compared in size to a ping-pong ball or a golf ball. The longest and shortest diameter of the pearl are 37.97 mm and 37.58 mm respectively. Using these two diameters we can calculate whether the pearl qualifies to be characterized as a perfectly round or spherical pearl. The definition of a perfectly round pearl is a pearl having the same diameter all round when measured with a vernier calipers or has a variation in diameter of less than 2% between its shortest and longest diameters. The variation in diameter can be calculated using the formula :- (1 – shortest diameter/longest diameter) x 100. = (1-37.58/37.97) x 100 = (1-0.99) x 100 = 0.01 x 100 = 1% The variation in diameter of the pearl is 1%. Thus according to the definition, the pearl having a variation of less than 2%, is still considered as a perfectly round pearl. Therefore, the Bao Dai/Sunrise Pearl qualifies to be characterized as a
