03) 9654 2057 info@croftsjewelleryvaluations.com.au

About Us

About our Valuers

Crofts Jewellery Valuation Services

Monica Crofts, Owner, Registered Valuer Number  RV 270

Monica graduated with a Bachelor of Science from Sydney University and worked as a scientist for a number of years, before changing her field and completing the Diploma of Gemology in Sydney with the GAA (Gemological Association of Australia), the Valuers’ course with the NCJV (National Council of Jewellery Valuers), and also completing a Diamond correspondence course with the GIA (Gemological Institute of America), as at the time there was no Diamond grading course available in NSW.  She went on to lecture in Gemology and became Head Practical Demonstrator as well as becoming involved in the GAA Council up to the level of Vice- President, and represented NSW at Federal level conferences. 

On moving to Melbourne, Monica re-created her Valuation service inconjunction with her new husband, Ian Crofts, who was a Gemstone wholesaler.  Monica went on to serve on the Victorian NCJV Committee (National Council of Jewellery s) for some years as President and delegate to the National Committee. 

Monica is part-owner and grader for Australian Diamond grading Company, Scientific Gem Testing Laboratories (SGTL), who produce the Auscert and Gemcert certificates.  

Crofts Evaluation Melbourne

Lindy Roberts, Registered Valuer Number RV 235

Lindy began in the jewellery trade as an Opal cutter in Melbourne, and became  Retail manager whilst also overseeing the Opal jewellery manufacturing side of the business.  She later moved to Coffs Harbour, where she part-owned and managed a high end jewellery store, focusing on precious gemstones and manufacture of jewellery.  It was here that Lindy chose to expand on her jewellery knowledge and gained her Diploma of Gemmology and Valuers training via the Queensland branch of the GAA (Gemmological Association of Australia).

On returning to Melbourne, Lindy continued her jewellery valuing, working for a large Retail chain, and servicing private clients from her home office.  She volunteered to serve on the NCJV Committee (National Council of Jewellery Valuers), becoming Vice-President to Monica Crofts as President, before finding her home at Crofts Jewellery Valuations.



Monica and Lindy have worked in all facets of the Jewellery Industry, bringing a wealth of knowledge together.  They are both licenced Second hand Dealers, thus have dealt in depth with vintage jewellery and antiques.  They have both worked in jewellery retail, studied jewellery manufacturing techniques learned from their trade clientele, worked as Gemstone wholsalers/traders and Diamond graders.  Crofts Jewellery Valuations have been Consultant to multiple Government agencies, Auction houses, Solicitors and Barristers, and Insurance companies.

Accurate jewellery evaluation is a demanding and highly technical profession which draws on many areas of expertise and knowledge, so to deal with this, we at Crofts Jewellery Valuations have built up an Australia-wide network of valuers, jewellers and retailers, specialising in different aspects of the industry, who can be called upon for technical advice, resources and information on industry issues