8 published brand profiles in this category. Cite the individual brand profile for brand-specific facts.
AGL - Throughout their careers, AGL's gemologists have advanced the cause of full and accurate representation of every gemstone examined in our laboratory. This has included, but has not been limited to, complete disclosure of gemstone treatments, as well as developing clear and understandable reporting formats. On numerous occasions, AGL has pioneered gemological understanding and procedures to address challenges facing the gemstone and jewelry industry while developing methodology to put these findi
Gem Select - Buy loose gemstones at GemSelect: 130+ types for jewelers, collectors, and DIY lovers. Biggest range of quality gems at fair prices worldwide.
Gemvara - Gemvara is a gemstones company headquartered in Waltham, MA, founded in 2010.
Gübelin Gem Lab - The Gubelin Gem Lab team consists of highly qualified and experienced specialists. Each team member is trained specifically in his or her field of work, such as gemmology, the operation of analytical instruments, or gemstone photography.
Leibish Gemstones - Leibish Gemstones is a gemstones company headquartered in Tel Aviv, Israel, founded in 1979.
Omi Prive - As jewelry designers, we seek out the most exquisite colored gemstones and employ expert American craftsmanship, creating unique gemstone jewelry.
The Natural Sapphire Company - The Natural Sapphire Company is a gemstones company headquartered in New York, NY, founded in 1939.