From Avalara LandedCost, by the LandedCost Research Team, updated June 1, 2017.
This page provides an overview of the basic import duty rates applied to goods that fall under the classification code 71022900 in Singapore. This product category is defined to include:
"Worked industrial diamonds not mounted or set"
Singapore is involved in a total of 3 trade agreements, and is associated with 1 country group.