A clear home for our specialist online services.
This site provides direct access to established resources operated through Meyer Online. Our principal specialist service is ADTEC, focused on independent rough-diamond pricing information and practical valuation resources.
The African Diamond Trading and Exploration Company (Pty) Ltd
ADTEC Rough Diamond Price List
ADTEC provides rough-diamond guideline pricing information and valuation resources for industry users. Its services include pricing information for individual stones, grouped valuations and related specialist resources.
Business identity
ADTEC is operated by The African Diamond Trading and Exploration Company (Pty) Ltd, South Africa.
Independent information
ADTEC's published material is intended as guideline pricing and valuation information for rough diamonds. Users should apply their own professional judgement to individual transactions.