There are currently 3 names in this directory beginning with the letter O.
Old European Cut
The Old European Cut is an old diamond cut that was the predecessor to modern round brilliants. The facets on these diamonds are larger and therefore the sparkle and fire will be lower than a regular brilliant diamond.
Old Mine Cut
The Old Mine Cut diamond cut is an antique that features a squarish shape and 58 facets. It has a small table, large culet, and high crown.