We pledge our dedication in providing the very best in gemological expertise and professional appraisal services. For over 20 years, the gemologists at DIA have created a strong following of repeat clients who are pleased with our unique service and important helpful advice.

DIA is owned and operated by team of Graduated Gemologists from the GIA. We have over 30 years of experience in gemology and appraising gemstones and jewellery. We are always learning and developing new skills in the ever-changing world of gems and gemology.

We welcome you by joining our growing list of satisfied customers... and experience for yourself DIA's ethics, integrity, expertise and professionalism.