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Tsarstone collectors guide


Professional appraiser associations and private appraisers recommended for valuation of natural loose alexandrite gemstones and alexandrite jewelry.

Resource listing

Jewellers Vigilance Canada (JVC)
An independent, non-profit association to advance ethical practices within the Canadian jewellery industry.
The National Association of Jewelry Appraisers
Conducts various programs designed to serve the interests of both its members and the public at large in matters relating to appraisal theory and valuation science.
The International Society of Appraisers
A non-profit association includes respected independent appraisers, consultants, estate liquidators, auctioneers, gallery owners, and dealers.
The American Society of Appraisers
An organization of appraisal professionals and others interested in the appraisal profession, representing all of the disciplines of appraisal specialists.
National Association of Goldsmith
Supports National Association of Goldsmiths' Registered Valuer Scheme. All N.A.G. Registered Valuers throughout the United Kingdom have proved their expertise and with formal gemological qualifications and substantial experience within the industry.
The Association of Jewellery Appraisers
Provide the general public with a source of jewellery appraisers with high standards of accuracy, presentation, ethics and integrity.
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Gemstone dealers
References on online gemstone wholesalers and retailers offering natural loose alexandrite, cat's eye and yellow chrysoberyl gemstones for s
References and resources on jewelry retailers, designers and manufacturers selling alexandrite jewelry or accepting custom alexandrite jewel
List of well-known gemological laboratories equipped to test chrysoberyl gemstone varieties, including identification of natural alexandrite
Reference collection of gemological tools and synthetic gemstone manufactures, including manufactures of synthetic alexandrite and cat's eye
List of museums featuring gemstone and mineral collections or exhibitions and recommended for further study of alexandrite and related gemol
Reference collection including books, dictionaries, encyclopedias, magazines and periodicals recommended for further research of alexandrite
List of organizations involved in the regulating of gemstone and jewelry trade, mining and dedicated to scientific study of gem materials.
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