Shop Engagement Rings and Loose Diamonds Online
Each diamond shape possesses its own unique qualities, so exploring and learning about the various shapes is worth your while. James Allen offers the highest quality certified diamonds to satisfy all tastes. Browse our diamonds in 360 degrees on jamesallen.com. #Jamesallenrings
Minerals, Crystals & Fossils
An aesthetic & educational blog - All photos are linked to their source - Most specimens are for sale from various mineral dealers around the world!
Rare Double-star Blue Sapphire--A Published Gem
Rare Double-star Blue Sapphire--A Published Gem Sri Lanka Polished as an oval cabochon with a high dome, this sapphire of classic Sri Lankan cornflower blue, possesses a very unusual form of asterism: when the stone is illuminated with a single point light source, two superimposed six-rayed stars appear. The rays of one star are almost parallel to, and just to the side of, the other.