Diamond Market
A summer of slow diamond markets.
Diamond MarketColored Stone Market – Basel Show
The colored stone market remains cautiously optimistic. Buying for stock continues at the Basel Show. Emerald extends upward trend, while sapphire retains its dominant position in the colored stone world…
Colored Stone MarketGem & Jewelry Appraising, Techniques of Professional Practice, 3rd Edition
Appraisal educator, the late Anna Miller lives on in the newly revised 3rd edition of her groundbreaking book Gem & Jewelry Appraising. Miller’s original appraisal book, first published in 1988, was the first on the…
Book ReviewRuby Treatment Continues to Raise Nomenclature Issues
The article, In Support of the Term Stabilized Ruby, published in the March/April 2010 issue, elicited mixed response and concern over proper terminology. Gemworld is not opposed to the term glass-filled ruby. However, due to…
Featured ArticlesDiamond Market – Tiffany and Co., Kimberley Process Update
Rough diamond prices continue to outpace polished prices. Princess cuts and cushions resume production but other fancies are in short supply. Top makes are harder to obtain, partly due to restocking finally resuming in the…
Diamond MarketDiamonds: Substance, Significance, and Symbol. A Conference in New York City
Initiatives in Art and Culture, based in New York City, hosts many conferences related to the arts and culture. Recently, some topics of interest crossed into the gem industry. They presented a conference on coral…
Featured ArticlesAn Introduction to Archaeogemology
This article endeavors to provide a brief discussion of the new research concept known as archaeogemology, a relatively unknown discipline that applies a multidisciplinary approach to investigate the identity and origin of gem artifacts and…
Featured ArticlesSimple Float Test for Distinguishing Diamagnetic from Paramagnetic Gems
Most materials are diamagnetic, that is repelled by a magnet. Those containing any of the transition elements iron, manganese, chromium, etc., or the rare earths may be paramagnetic or attracted to a magnet. Ferromagnetic materials…
Featured ArticlesCr-Pyrope Garnet Crystal in Canadian Diamond
This article was developed from information submitted by Jon Phillips, Corona Jewellry Company, Toronto, Canada. A diamond that the company acquired was only .18 carat but proved to have an inter- esting purplish red inclusion. The…
Gem NotesMarket Trends: Spinel
Spinels offer one of the best choices for jewelers looking to create attractive designs from a natural product that boasts all the attributes that gemstones are supposed to exhibit. The market is currently enjoying a…
Market Trends