Fluorescence
Some diamonds emit a soft colored glow when subjected to ultraviolet light so called a “black light”.
Some diamonds emit a soft colored glow when subjected to ultraviolet light so called a “black light”.
A black diamond” called carbonado, is a natural polycrystalline aggregate of tiny graphite and carbon crystals grown together at different angles. The tiny crystals are stuck together at different angles, absorbing the light and making the stone opaque. They are essentially 4 billion years old clumps of diamond dirt formed in a supernova explosion long before the Solar System was born.
The hearts and arrows cut is not well defined. All ideal cut diamonds display that effect to a certain degree.
Just like a blood type for humans diamonds have 4 distinct groups based on their crystalline structure.
Every True Antique™ Cushion meets our cutters highest standards of performance which we test with the greatest tool known to mankind, our eyes.
A comprehensive guide to diamond certification by leon mege, covering the most important points.
Antique cut does not imply “old.” In fact most “antique” stones are cut very recently. Asscher Cut and Antique cushion cut diamonds are among the most popular.
Almost all famous diamonds with their ancient pedigree and fascinating history are Antique Cushions – the cut people with refined taste find astonishing, enigmatic, and electrifying.
The less color a diamond has up to a certain point, the greater its rarity and value. Some stones look colorless to the eye, but not all.
A coherent introduction into the world of side stones by Leon Mege to help you better understand different three-stone ring combinations.