- Off Make
- A poorly proportioned diamond.
- Old European Cut
- Old European Cut diamonds used to be popular before the science of diamond cutting developed the Round Brilliant Cut which is designed to return more light to the eye.
- Oval Cut
- The Oval Cuthape is very similar to a Round except it is elliptical. It was invented by Lazare Kaplan in the early 1960's. The Oval Shape usually has 56 facets. Shape appeal is very important with Oval Cuts.