Alexandrite gemstone buyer and jewelry collector guide holds information on history, lore, value and properties of the chrysoberyl varieties, including alexandrite and cymophane gemstones.
David Wein is an online fine jewelry store in association with Multicolour.com, the world´s most eclectic favourite online gemstone retailer.
David Wein brings together an exquisite range of fine jewelry at exceptional value. Visitors will find an e
An internationally acclaimed designer of fine jewelry. Recognized as the leading American jewelry designer, Yurman paved the way for a new era in fine jewelry with wearable, classic designs that carry a distinctive signature cable look. Available in over
Fameo Online Jewellery Boutique specialises in design and manufacture of the gold, colour gemstone and pearl jewellery. Award winning jewellery designs and bespoke jewellery service. Provides jewellery collections showcase, buyers tips and jewellery guid
First professional gemological laboratory to be established in Asia in 19978, - The AIGS Gemological Laboratory is a private, independent gemological laboratory, member of the Thai Gem and Jewelry Traders Association (TGJTA), and The International Colored
Alexandrite gemstone buyer and jewelry collector guide holds information on history, lore, value and properties of the chrysoberyl varieties, including alexandrite and cymophane gemstones.
Alexandrite gemstone buyer and jewelry collector guide is a comprehensive encyclopedia with articles, guides, glossary and bibliography covering all the major branches of alexandrite gemstone and jewelry knowledge.
A light, silver-white, ductile, malleable metal, with a high electrical conductivity and good resistance to corrosion. Its chemical symbol is Al. Used in jewelry, for costume jewelry and junk jewelry.
David Wein is an online fine jewelry store in association with Multicolour.com, the world´s most eclectic favourite online gemstone retailer.
David Wein brings together an exquisite range of fine jewelry at exceptional value. Visitors will find an e
An internationally acclaimed designer of fine jewelry. Recognized as the leading American jewelry designer, Yurman paved the way for a new era in fine jewelry with wearable, classic designs that carry a distinctive signature cable look. Available in over
The mining of alexandrite in Russia lasted less than 100 years from the time it was discovered in 1833 to the early 1900’s. It was George Kunz, the gemologist/gemstone buyer for Tiffany & Co that probably did the most to popularize this unique gemst
A number of decorative articles made artistically of gold, platinum, silver, and precious stones that are worn for personal adornment, such as bracelets, rings, necklaces, etc.
In metallurgy a unit that expresses only to the purity of solid gold used in jewelry. In trade based on a scale of twenty-fourths, 24 karat means pure gold, 18 karat gold means, containing 18 parts gold to 6 parts of alloy, and 9 karat gold means, contain
Perlera Online Jewellery Boutique offers high fashion and timeless jewellery classics in an exquisite range of pearl jewellery, silver and coloured gemstone creations. Provides jewellery collections showcase, buyers tips and jewellery guides.
IT Gem Testing Laboratory (GIT-GTL), has been accredited by The World Jewellery Confederation (CIBJO) as the CIBJO Registered Laboratory since May 2000.
Gemworld International, Inc. is primarily engaged in publishing for the jewelry industry. Their premier publication, The GemGuide, made its debut in 1982. The GemGuide Appraisal Software, which utilizes The GemGuide pricing, has been continually improved
The International Colored Gemstone Association, headquartered in New York City and operating additional "GemBureaus" in Idar-Oberstein and Dubai, is the nonprofit trade association that represents the international colored gemstone industry, an extremely
The National Association of Jewelry Appraisers is the only appraisal association in the United States that devotes itself solely to the appraisal of gems, jewelry, silver flatware and hollowware.
Found at 1995, MSU Gemological Center is a part of MSU Department of Geology and co-founders of the Russian Gemological Society (2000), the Union of Modern and Antique Jewelry Appraisers, and member of the Russian Diamond Chamber.
A device for cleaning dirt and other foreign particles from gemstones and jewelry articles by subjecting them to ultrasonic vibrations immersed in water or other solvent. The articles must be free of stress flaws. Glass lenses and other bodies can be poli
First and foremost, we need to look at the quality and strength of the color change. A strong change where the colors are bright and attractive under any kind of light is most desirable. Many stones are either a beautiful green in daylight or a nice pinki
With a hardness of 8.5, Alexandrite is a tough, hard, and durable gemstone that doesn't require any special attention. Still, even the hardest gemstones can shatter with a single well-placed blow so caution is always a good idea. Washing dishes with your
Alexandrite is an expensive gemstone because it so rare and production has always been limited. For years, the only source for alexandrite was Russia. In the last 20 or 30 years several new discoveries of alexandrite have been reported but production of s
Fine alexandrites or alexandrite jewelry can be purchased from jewelers specializing in colored gemstones, at trade shows, from TV sellers, at high end jewelry auctions, or online from websites specialized in alexandrite. You would be unlikely to find a h
The most well known gemological laboratories are listed below and all of them are equipped to test alexandrite. Most gemological laboratories only identify gemstones, they do not appraise them.
Natural alexandrite is not better than synthetic alexandrite but natural alexandrite is very rare and uncommon in modern jewelry because it is hardly ever available and because it is too expensive for the general public to buy. Even lower quality more inc