The diamond bracelet shoppers paradise has moved from Amsterdam to Antwerp ( Belgium ) after World War II. Nowadays Amsterdam is known for its tulips and canals.
Extremely subtle color differences can be very important to determine rarity of a jewelry, but are never a critical factor in beauty.
Up to the fourth century, anniversary rings were known only in their rough, or crystalline forms. They came in a variety of shapes, the most common being the octahedron. This was a crystal with eight faces, resembling two pyramids joined at their bases.