Corlia Roberts offers independent rough diamond valuations, on-site valuations with comprehensive market and production analytics. We assist producers to value rough diamond productions in-house with unprecedented accuracy.

Corlia is committed to enhancing her clients own in-house rough diamond valuation capabilities. The service includes training in Classification, assortment and using various valuation criteria intuitive to diamond sorters, and comprises to ensure the accuracy of diamond valuations and production analyses for maximum return on investment.