Laboratories Jewelry Consumer Goods and Services

Laboratories

• - Provides grading and identification of diamonds, colored stones or pearls for the industry and consumers.
  
• - Technical advisers, appraisers, gemological training. Services, background, and contact information. Located in Brazil.
  
• - An independent, international, non-profit organisation dedicated to the identification, treatment, and origin. Services, education, and contact information. Located in Switzerland.
  
• - Independent service provides general information on gemstones, ongoing research and lab report services.
  
• - Specializes in origin of color determination for fancy colored diamonds using Raman spectrometer. Offers diamond grading reports and appraisal services.
  
• - Provides diamond grading services featuring grading of the diamond cut.
  
• - Offers gem grading and identification services and gemmological courses for the trade and members.
  
• - Provides technical and gemological appraisal and consulting services to the trade and the public. Services, articles, and links.
  
• - Fine jewelry appraisals by an independent team. Services, price list, and location map. In Manchester, CT.
  
• - Offers gemstone analysis software, gemological education, and gemological laboratory services. Includes articles on diamond cut studies and a gallery of virtual diamond images.
  
• - Provides diamond, colored stone and pearls certification, analysis and consultations for the jewelry trade. Produces educational and promotional materials.
  
• - Offers mini and full diamond grading reports and appraisals for the trade. Located in Bellevue, Washington
  
• - Determination of the authenticity and country of origin of a rubies and sapphires. Offers gemstone reports and inscriptions.
  
  

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