Diamond Market
Synthetic and treated diamond melee continues to plague the industry. Auctions continue to amaze with record prices on diamonds. Mixed US markets heading into the holidays. Belgium exports rise but US is third in world…
Diamond MarketDiamond Market
Diamond markets remain soft among some uncertainty heading into new year. Overall prices declined by about 15% for one carat diamonds in 2011. DeBeers announces synthetic diamond tester for use with large parcels of melee. This…
Diamond MarketColored Stone Market
More encouraging signs for the North American gem and jewelry trade are surfacing this time in recent reports issued in Hong Kong and India. In each, market growth that is attributed to improving consumption in…
Colored Stone MarketThe Colors of Corundum
Transparent colored gemstones are loved for their beautiful colors. How they absorb the visible light that passes through them determines their color (Figure 1). The study of light absorption by materials is called spectroscopy. Because…
Featured ArticlesGem-A Conference 2012
London played host to a number of impressive events this year and the Gem-A 2012 conference with record attendance and delegates from over 20 countries, was no exception. Held in conjunction with the annual graduation…
Featured ArticlesIon Engraving on Diamonds
As we entered the new millennium, DeBeers announced that they had technology to invisibly mark the table of a diamond with anything from text to photographs. Using this focused ion beam technology, they branded and…
Diamond MarketWorld of Gems Conference III
2012 was a great year for conferences. Gemworld was pleased to contribute to that with our third conference. Following a tradition that we started in 2008, every two years we are host to our own…
Featured ArticlesGem Market Pulse December 2012: Slow But Steady Growth and the Rise in Meaningless Brands
Slow But Steady Growth and the Rise in Meaningless Brands The market continues to experience a drought of new gem products. Exploration has been sharply impacted by the sluggish economy in the west traditionally the industry's…
*Gem Focus & Market Pulse (Free Subscriber)Gem Market Pulse November 2012: Old European Diamonds
This market pulse is being posted less than a week before the US presidential election. It is our opinion that the results of the election will not have any significant impact on the industry. General…
*Gem Focus & Market Pulse (Free Subscriber)Valuing Large/High Value Diamonds for Insurance
Like many of our Appraiser’s Notebook stories,This too was inspired by a true story. What it illustrates is the special considerations that must be accounted for with large, rare diamonds when valuing for insurance. Several months…
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