A Colorless Nightmare
Melee diamonds may be the best example of the problem gemologist-appraisers face in this new struggle for gemological truth.
News ArchiveTucson Gemfair 2020
The new decade ushered in a renewed sense of optimism during Tucson. No major new gems to drive captivate buyers this year. Price changes in certain categories drove strong dealer to dealer trading and the…
Featured ArticlesImperial Topaz
Topaz is mostly known as an affordable blue stone, or even “poor man’s aquamarine,”
Market TrendsThe Impact of Cut on Colored Gemstones
Gems are broadly classified into three categories of cutting styles from traditional, fantasy, and precision. There are often debates as to how these cuts impact value and certainly, beauty. Better cuts will impact beauty and beauty will impact value. Cutters often have a story, and that story may include responsible sourcing, the cut, and the cutter and marketing these leads to better profit.
Featured ArticlesBehind the Design, VENYX WORLD
For our series on innovators in jewelry design, GemGuide recently had the opportunity to speak with Eugenie Niarchos about her creative inspiration and, of course, her brand Venyx World.
Featured ArticlesGem Focus – February 2020
Rainbow Garnet: All Colors on Black.... Garnet group minerals are never short of marvels. There are more than twenty-four related species of garnets, ten of which are also known as gemstones. Structurally similar, gem garnets differ from…
*Gem Focus & Market Pulse (Free Subscriber)Gem Focus – January 2020
Fancy Zoisite: A collector’s mineral from Austria to a celebrated gem of Tanzania. The name saualpite for a collector’s mineral from Saualpe in Carinthia, Austria must have sounded strange to Professor A. G. Werner of…
*Gem Focus & Market Pulse (Free Subscriber)World Sapphire Market Update 2020
Among colored stones, blue sapphire has always been the most important in terms of sales. We provide this review to help jewelers, traders and appraisers to better understand this classic precious stone.
Featured ArticlesLab-Grown Diamond Price Index and Market Report
The population of Lab Grown Diamonds continues to grow and the data for preparation is now much greater.
Lab-Grown Diamond Price Index