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Multicolour Gems

Specializing in African colored gemstones including alexandrite, Madagascar sapphire and tanzanite. Also includes general information about gemstones and gemological articles.

www.alexandrite.net/directory/gemstone-dealers/multicolour-gems-wdd-003-00001.html

Javore

Designer of fine jewellery with natural alexandrite

www.alexandrite.net/directory/jewelers/javore-wdd-003-00002.html

David Wein

An online fine jewelry store offering one off pieces of alexandrite and collector stone jewelry, custom jewelry service and rare gemstones sourcing.

www.alexandrite.net/directory/jewelers/david-wein-wdd-003-00005.html

David Yurman

The official David Yurman online store features collections of fine jewelry, timepieces and gifts for women and men from America's premier jewelry designer.

www.alexandrite.net/directory/jewelers/david-yurman-wdd-003-00007.html

Gem Studies Lab

Gem Studies Lab The Gemmological Association of Australia (GAA) is Australia’s historic trade-accepted non-profit educational authority for gemology.

www.alexandrite.net/directory/laboratories/gem-studies-lab-wdd-003-00009.html

European Gemological Laboratory

Provides identification for rough and polished diamonds, colourless and coloured diamonds, as well as coloured gems and pearls.

www.alexandrite.net/directory/laboratories/european-gemological-laboratory-wdd-003-00010.html

Hong Kong Gems Laboratory

Provides identification and appraisal reports for rough and polished jade, colour gemstones and pearls.

www.alexandrite.net/directory/laboratories/hong-kong-gems-laboratory-wdd-003-00011.html

Zenhokyo

One of the most authoritative gemmological laboratory offering gemmological analysis using the latest equipment.

www.alexandrite.net/directory/laboratories/zenhokyo-wdd-003-00012.html

The Russian MSU Gemological Center

Issues four types of identification reports in two formats, including Diamond Report, Gemstone Testing Report, Jewelry Report and Rough Diamond Report.

www.alexandrite.net/directory/laboratories/the-russian-msu-gemological-center-wdd-003-00013.html

AIGS Gemological Laboratory

Well known laboratory for its expertise in coloured gemstones, especially ruby, sapphire, emerald, jade and rare stones. Also provides identification and grading services for diamonds and jewellery.

www.alexandrite.net/directory/laboratories/aigs-gemological-laboratory-wdd-003-00014.html

The Gem and Jewelry Institute of Thailand

Offers authenticity of gemstones and their treatment reports, identification of pearls and their treatments, diamond grading and laser inscription on diamonds and colour gemstones.

www.alexandrite.net/directory/laboratories/the-gem-and-jewelry-institute-of-thailand-wdd-003-00015.html

GemResearch Swisslab

Determination of the authenticity and country of origin of rubies, sapphires and other rare colour gemstones. Also offers gemstone reports and inscriptions.

www.alexandrite.net/directory/laboratories/gemresearch-swisslab-wdd-003-00016.html

Gubelin Gemological Laboratories

An independent member of the Gubelin Holding and one of the world's most respected laboratories, offers gemstones, diamond and pearl reporting.

www.alexandrite.net/directory/laboratories/gubelin-gemological-laboratories-wdd-003-00017.html

SSEF

An independent, international, non-profit organization dedicated to the identification, treatment and origin of gemstones.

www.alexandrite.net/directory/laboratories/ssef-wdd-003-00018.html

AGTA Gemological Testing Center

Provides identification and origin reports and other colour gemstone services, including testing for beryllium in sapphire, natural origin of colour in diamonds and country of origin for sapphires, rubies and alexandrites.

www.alexandrite.net/directory/laboratories/agta-gemological-testing-center-wdd-003-00019.html

American Gemological Laboratories

Provides independent coloured gemstone identification reports on all coloured gemstones including emeralds, rubies, sapphires and alexandrites.

www.alexandrite.net/directory/laboratories/american-gemological-laboratories-wdd-003-00020.html

Gemological Institute of America

Provides grading and identification of diamonds, coloured stones or pearls for the industry and consumers.

www.alexandrite.net/directory/laboratories/gemological-institute-of-america-wdd-003-00021.html

Gemmological Association of Great Britain

Services include reports for diamond grading, pearl and gem identification. Also provide re-polishing diagrams for diamonds and verbal assessments for diamond colour and clarity

www.alexandrite.net/directory/laboratories/gemmological-association-of-great-britain-wdd-003-00022.html

Jewellers Vigilance Canada (JVC)

An independent, non-profit association to advance ethical practices within the Canadian jewellery industry.

www.alexandrite.net/directory/appraisals/jewellers-vigilance-canada-jvc-wdd-003-00023.html

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.

www.alexandrite.net/directory/appraisals/the-national-association-of-jewelry-appraisers-wdd-003-00024.html

The International Society of Appraisers

A non-profit association includes respected independent appraisers, consultants, estate liquidators, auctioneers, gallery owners, and dealers.

www.alexandrite.net/directory/appraisals/the-international-society-of-appraisers-wdd-003-00025.html

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.

www.alexandrite.net/directory/appraisals/the-american-society-of-appraisers-wdd-003-00026.html

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.

www.alexandrite.net/directory/appraisals/national-association-of-goldsmith-wdd-003-00027.html

The Association of Jewellery Appraisers

Provide the general public with a source of jewellery appraisers with high standards of accuracy, presentation, ethics and integrity.

www.alexandrite.net/directory/appraisals/the-association-of-jewellery-appraisers-wdd-003-00028.html

Embassy Emeralds

Online dealer of fine, cut Colombian emeralds in a variety of shapes, including emerald cut, oval cut, and fancy cut emeralds.

www.alexandrite.net/directory/gemstone-dealers/embassy-emeralds-wdd-003-00029.html

China Stone

Sells precious and semi-precious gemstones in calibrated and free form sizes. Also precision machine-cut sapphires and rubies featuring perfect symmetry and polish.

www.alexandrite.net/directory/gemstone-dealers/china-stone-wdd-003-00030.html

Icgems

Offers over 150 gemstone varieties, including loose stones, pearls, cameos, carvings, cabochons, faceting rough, rare minerals and natural crystals

www.alexandrite.net/directory/gemstone-dealers/icgems-wdd-003-00031.html

Pala International

Wholesale precious and semi-precious gemstones to trade members only. Also features educational articles on all aspects of gems, gemology and mineral specimens.

www.alexandrite.net/directory/gemstone-dealers/pala-international-wdd-003-00032.html

Gemsuite

Retails most gemstone varieties. Also includes general information about the gemstones and comprehensive guide to emeralds

www.alexandrite.net/directory/gemstone-dealers/gemsuite-wdd-003-00033.html

Diamnd Tech

Produces grinding wheels, saw blades, special form wheels, and diamond discs in a complete range of sizes specializing in lapidary products.

www.alexandrite.net/directory/manufacturers/diamnd-tech-wdd-003-00034.html

Colored Stone

Bimonthly, international trade magazine that covers all facets of the colored gemstone industry, including new sources for colored gemstones, mining and processing, retail sales, consumer buying trends and technological developments pertaining to the trad

www.alexandrite.net/directory/publications/colored-stone-wdd-003-00035.html

The International Colored Gemstone Association

An independent non-profit association that was founded in 1983 to represent the international gemstone industry

www.alexandrite.net/directory/organizations/the-international-colored-gemstone-association-wdd-003-00036.html

The Gem Guide

Provide accurate and reliable gemstone pricing and reference information to the industry.

www.alexandrite.net/directory/publications/the-gem-guide-wdd-003-00037.html

American Gem Trade Association

A group of US and Canadian professionals dedicated to promoting the natural colored gemstone and cultured pearl trade

www.alexandrite.net/directory/organizations/american-gem-trade-association-wdd-003-00038.html

The Weinman Mineral Gallery

Features gemstones, minerals and fossils. Includes virtual tour, special events, hours, prices and directions.

www.alexandrite.net/directory/museums/the-weinman-mineral-gallery-wdd-003-00039.html

Colburn Earth Science Museum

Primary collection includes some 4,500 specimens and gemstone collection includes over 1,000 cut gemstones from North Carolina and around the world

www.alexandrite.net/directory/museums/colburn-earth-science-museum-wdd-003-00040.html

Synthetic Gems

Offers large selection of synthetic padparadscha sapphire, lab alexandrite, created and synthetic lab emerald, cubic zirconia (CZ), white clear lab sapphires, lab-grown citrine quartz, and synthetic ruby.

www.alexandrite.net/directory/manufacturers/synthetic-gems-wdd-003-00041.html

Mark Henry

An exclusive designer of natural alexandrite jewelry. Famous for decadent designs and superior quality fine jewelry pieces.

www.alexandrite.net/directory/jewelers/mark-henry-wdd-003-00042.html

OneMine

A collaborative effort among multiple societies to place the world's most comprehensive collection of mining and minerals based research in one place.

www.alexandrite.net/directory/publications/onemine-wdd-003-00043.html