The old european cut diamond or old euro cut was the primary diamond shape used in the art deco era old mine cut diamonds or miner cut were used in victorian and edwardian eras.
What is a old european cut diamond.
Old european cut diamond characteristics.
A diamond dealer would often devalue the stones by approximately 20 30 percent as that would be the amount of diamond weight lost in the recut.
The old european cut also has very long lower half facets accounting for at least 60 of the diamond s total depth.
Up until about ten years ago old cut diamonds such as old mine cushion and old european were viewed by many as diamonds that needed to be recut into modern cuts like the brilliant cut.
An old european cut diamond will have triangular facets while a round diamond s facets are thinner.
Most old european cut diamonds were cut to retain more weight rather than optimize appearance.
As a predecessor to the modern brilliant cut diamond the old european or old euro cut diamond strongly resembles the modern brilliant cut diamond.
This means if it is cut poorly it will be less luminous.
The cut of a diamond greatly affects a diamond s brilliance.
The old european cut is regarded as the most advanced antique cut.
Characteristically an old european cut diamond has a smaller table and higher crowns than their modern counterpart.
The primary reason for the differences between an old european cut diamond and a modern brilliant cut diamond is that the former is a more rudimentary hand cut stone.
Old european cut diamonds oec are an antique type diamond cut born of a time before modern technology enabled the precise geometry we see modern diamond cutters use.
The diamond below shows a nicely proportioned old european cut with a small polished culet and fairly shallow proportions.
Old european cut diamonds tend to have a large culet that s visible from the table of the diamond.
The old european cut evolved from the old mine cut with their trademark small tables heavy crowns deep angles and large visible culet.
The old european cut diamond is the standard round diamond that was made between 1890 1930.
Unlike a modern round brilliant the old european cut is cut less precisely and is as a result more organic in shape.
There is some overlap between the periods when both antique diamond cuts coexisted.
Because of the shape of rough diamonds the end result was a deep cut with a high crown and small table.
These old diamonds also often had a flat facet instead of a tip at the.
The stone is just under 2 carats in weight and measures 7 5mm in diameter.
Old european cut diamonds old mine cut.