GIA Diamond Essentials - Assignment
1
chemical composition - -Types and relative quantities of a mineral's atoms
- structure - -The arrangement of atoms in a mineral
- chemical element - -Substance that contains only one type of atom
- What is the chemical composition of Diamond? - -Carbon with trace
elements
- How is a diamond formed? - -High temperature and pressure
- What range beneath the Earth's surface may diamond form? - -90-120
miles deep
- Graphite differs from diamond in... - -Structure
- Value Factors - -Factors that determine a gemstone's value based on a
combination of features
- The Four Cs (definition) - -Set of value factors used to describe and
classify diamonds
- The Four Cs (list) - -Clarity, Color, Cut, Carat Weight
- A diamond's value is based on... - -It's own unique combination of the Four
Cs
- Clarity - -The relative absence of inclusions and blemishes
- Blemish - -Surface irregularities
- Inclusions - -Internal features or features that extend to the inside of a
diamond
- Benefits of clarity characteristics - -1. Help separate natural vs lab grown
or imitation
2. Identify to individual stones
3. Provide info on how diamonds form
- Which typically has more impact on the value of a stone? Inclusions or
Blemishes? - -Inclusions
1
chemical composition - -Types and relative quantities of a mineral's atoms
- structure - -The arrangement of atoms in a mineral
- chemical element - -Substance that contains only one type of atom
- What is the chemical composition of Diamond? - -Carbon with trace
elements
- How is a diamond formed? - -High temperature and pressure
- What range beneath the Earth's surface may diamond form? - -90-120
miles deep
- Graphite differs from diamond in... - -Structure
- Value Factors - -Factors that determine a gemstone's value based on a
combination of features
- The Four Cs (definition) - -Set of value factors used to describe and
classify diamonds
- The Four Cs (list) - -Clarity, Color, Cut, Carat Weight
- A diamond's value is based on... - -It's own unique combination of the Four
Cs
- Clarity - -The relative absence of inclusions and blemishes
- Blemish - -Surface irregularities
- Inclusions - -Internal features or features that extend to the inside of a
diamond
- Benefits of clarity characteristics - -1. Help separate natural vs lab grown
or imitation
2. Identify to individual stones
3. Provide info on how diamonds form
- Which typically has more impact on the value of a stone? Inclusions or
Blemishes? - -Inclusions
