Diamond Cutting
Canadian Diamonds
Diamond Grading
Diamond Properties
Synthetic Diamonds
100

The process of rounding the square shape to a circular stone by rotating two diamonds against one another.

What is bruting?

100

The first diamond mine to produce in Canada.

What is Ekati?

100

SI stands for this.

What is slightly included (or slight inclusions)?

100

Nitrogen impurities in the carbon crystal lattice tends to make diamonds this colour.

What is yellow?

100

HPHT stands for this.

What is high pressure high temperature?

200

Another word for a diamond's cut.

What is make?

200

Canada's largest producing mine by carats.

What is Diavik?

200

The top colour rating from GIA for a diamond.

What is D colour?

200

Diamond crystals will sometimes have these triangular markings.

What are trigons?

200

CVD stands for this.

What is chemical vapour deposition?

300

You never call a diamond cutter this.

What is a lapidary?

300

These two individuals found Canada's first diamond mine site.

Who are Stewart Blusson and Chuck Fipke?

300

If a yellow or brown diamond is more strongly coloured than a Z it is considered this.

What is fancy coloured?

300

Blue diamonds are typically coloured by impurities in the carbon crystal lattice of this mineral.

What is boron?

300

HPHT synthetic diamonds sometimes have these types of inclusions.

What are metallic rod-like inclusions?

400

The groove created in a diamond in order to cleave it along a plane of atomic weakness.

What is the kerf?

400

Diamonds are often found in carrot shaped deposits of this igneous rock.

What is kimberlite?

400

The rarest two colours for diamond.

What are purple/violet and red?

400

Diamond has perfect cleavage parallel to these.

What are the octahedral crystal faces?

400

Synthetic diamonds fluoresce more strongly with this type of light.

What is short wave UV?

500

This cut was used before the mechanisation of diamond cutting due to the octahedral habit of diamond.

What is the Old Mine Cut?

500

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.

500

Most natural diamonds are this type.

What is type Ia?

500

The dispersion of diamond.

What is 0.044?

500

Almost all CVD synthetic diamonds are this type.

What is type IIa?