The process of rounding the square shape to a circular stone by rotating two diamonds against one another.
What is bruting?
The first diamond mine to produce in Canada.
What is Ekati?
SI stands for this.
What is slightly included (or slight inclusions)?
Nitrogen impurities in the carbon crystal lattice tends to make diamonds this colour.
What is yellow?
HPHT stands for this.
What is high pressure high temperature?
Another word for a diamond's cut.
What is make?
Canada's largest producing mine by carats.
What is Diavik?
The top colour rating from GIA for a diamond.
What is D colour?
Diamond crystals will sometimes have these triangular markings.
What are trigons?
CVD stands for this.
What is chemical vapour deposition?
You never call a diamond cutter this.
What is a lapidary?
These two individuals found Canada's first diamond mine site.
Who are Stewart Blusson and Chuck Fipke?
If a yellow or brown diamond is more strongly coloured than a Z it is considered this.
What is fancy coloured?
Blue diamonds are typically coloured by impurities in the carbon crystal lattice of this mineral.
What is boron?
HPHT synthetic diamonds sometimes have these types of inclusions.
What are metallic rod-like inclusions?
The groove created in a diamond in order to cleave it along a plane of atomic weakness.
What is the kerf?
Diamonds are often found in carrot shaped deposits of this igneous rock.
What is kimberlite?
The rarest two colours for diamond.
What are purple/violet and red?
Diamond has perfect cleavage parallel to these.
What are the octahedral crystal faces?
Synthetic diamonds fluoresce more strongly with this type of light.
What is short wave UV?
This cut was used before the mechanisation of diamond cutting due to the octahedral habit of diamond.
What is the Old Mine Cut?
A deep pavilion will result in this type of visual effect in a diamond when view from the table.
What is a "nail head" or dark spot in the centre of the stone.
Most natural diamonds are this type.
What is type Ia?
The dispersion of diamond.
What is 0.044?
Almost all CVD synthetic diamonds are this type.
What is type IIa?