In this comprehensive article, the author discusses the value factors of colored gems in five parts. Parts one and two appeared in Gem Market News, January/February 2016, Volume 35, Issue 1. What follows are parts…
*Free Featured ArticlesIn this comprehensive article, the author discusses thevalue factors of colored gems in five parts. This article looks at the first two parts. Future issues of the Gem Market News will continue the discussion, looking…
*Free Featured ArticlesGemguide/Gemworld featured on Worldwide Business with Kathy Ireland® to discuss their industry leading gem pricing & market information. What are the current trends that make it difficult to evaluate gems? https://vimeo.com/145307118?share=copy…
*Free Featured ArticlesThe Tucson 2015 Gem Show demonstrated that there are considerably more options than just the big three (ruby, sapphire and emerald) for buyers seeking fine quality gemstones. The availability of bigger and higher quality garnets…
*Free Featured ArticlesJadeite is a sodium aluminum silicate mineral which has a polycrystalline structure. The hardness is 6.5-7 on the Mohs’ scale, the average specific gravity value is 3.33, and the refractive index is approximately 1.66. The…
*Free Featured ArticlesDiffusion in gemology can be defined as a method of artificially coloring gemstones, not unlike the dyeing of cloth. Diffusion is actually a very common process that we meet in many different contexts. The dying of natural…
*Free Featured ArticlesIn what could have been the next “Fred Ward” emerald trial, the jeweler in this case prevailed. It was not that he was without error. However, had he lost this trial, it would have wrongly…
*Free Featured ArticlesThe story here on the "Crown of Light" Diamond is part Gem Note and part Appraiser's Notebook. What is it? Who is selling it? How much is it worth? Jewelers and appraisers are often quick…
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