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.
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.
WhatsApp Diamond Pricing Service
ADTEC provides an automated rough-diamond pricing and valuation information service through WhatsApp. Users may submit diamond characteristics through the chatbot service and receive guideline pricing information in addition to a downloadable PDF price list, available only to subscribed members.
Recharge facilities and payment methods are provided for the purchase of service credits. Purchasing credits is a payment method for access to ADTEC information services and is not intended as payment for diamonds or for a diamond transaction.
The WhatsApp service is an information and valuation service only. ADTEC does not buy, sell or broker diamonds through WhatsApp and does not arrange diamond transactions between users.
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.
Contact information
Email address:
chatbot@adtec.co.za
Contact number:
+27 81 898-7447