Sapphire Work-Flow Sapphire is a variety of the corundum mineral species, and it is the most highly valued blue colored gemstone in the trade. It is one of the Big...

Ruby Work-Flow The red gem par excellence, considered a symbol of love, strength and vital energy. One of the most popular and marketed gems and for this reason also more...

Emerald Work-Flow Emerald: a gem that became a reference color all over the world, who doesn’t know the lively and bright ‘emerald green’? From the pre-Columbian Mesoamerican and South American...