MURFREESBORO, Ark. — They call her BUD (Big Ugly Diamond). David Anderson came up with the nickname for the 3.29-carat brown diamond he discovered at Crater of Diamonds State Park.

He has also found a 3.83-carat yellow diamond in 2011 and a 6.19-carat white gem in 2014. Anderson typically sells his diamonds locally, the park said, and has the same plans for this stone.

That honor belongs to the so-called Blue Belle, a diamond necklace that is centered on a 392.52 carat sapphire that surfaced in Ratnapura, Sri Lanka, in the 1920s. The Blue Belle.

David Anderson holding the 3.29-carat brown diamond, which he discovered in Crater of the Diamonds State Park on March 4. Arkansas Department of Parks, Heritage and Tourism ...

The 3.72 carat gem is the largest registered at the park since March 2017, when a teenager found a 7.44 carat brown diamond, according to the park.

Officials said that the 3.81-carat find is the largest diamond harvested so far this year. They described it as having a metallic, copper luster and a blocky triangular shape.

Murfreesboro, Arkansas resident David Anderson found a 3.29-carat brown diamond at the Crater of Diamonds State Park earlier this month. He has found over 400 gems since 2007.