GEMVAL503 – Identify and estimate weight of gem material in jewellery

Short Courses

This course forms part of the 10789NAT Diploma of Applied Gemmology (Valuation).

(This can be undertaken as a stand-alone course).


Measuring mounted gem material is often a common routine for many of today’s jewellery tradespeople. Weight estimation is necessary when the valuation of a gem material is required and the stone cannot be removed from its mounting, either because the client will not allow it or because the item might be damaged. This course focuses on identifying, measuring and estimating the carat weights of mounted gem materials.

For more information, please register your interest by clicking the link at the bottom of this page.

Note: $500 refundable on completion of the course and return of gem materials and jewellery kit, when returned in good order.

PO Box 509 Randwick NSW 2031