PS Welcome - YouTube
All about PriceScope
Tue, 30 Oct 2007
“American Cut – The First 100 Years,” by Al Gilbertson, G.G.
Sat, 20 Oct 2007
What do you mean diamonds can chip?!
Sat, 24 Feb 2007
Letter to the Editor of the Australian Gemmologist
Sat, 10 Feb 2007
Gemstones, Diamonds and Jewelry as Investments. Are you kidding or are you really serious?
Thu, 21 Dec 2006
An Overview Of Common Alloys Used In Jewelry
Sun, 10 Dec 2006
Fractioning of Color by a Gem
Tue, 12 Sep 2006
Visible Effects of Painting & Digging on Superideal Diamonds
Tue, 29 Aug 2006
Can diamond-cutting be considered Art?
Tue, 22 Aug 2006
Diamond Grading Labs – A Plan for Peer Review
Wed, 05 Jul 2006
Making the case for Imagem diamond grading