33 Questions
What does the term 'beneficiation' refer to in the context of gemstones?
A commitment to reserve a portion of resources for economic development
What is the primary characteristic of the high-end market?
Fine-quality gemstones used in unique, handcrafted jewelry pieces
What is the term for gemstone sizes cut to fit standard mountings?
Calibrated sizes
What is the term for the theft of a mine's production by its workers?
High grading
What is the term for a unique piece of jewelry designed and created for a particular customer?
Custom-made jewelry
What is the term for a discounted price for buying an entire parcel or a substantial part of it?
Lot price
What is the term for the geographical location where a gem was mined?
Origin
What is the term for a manufacturer who produces faceted stones, cabochons, or carvings?
Cutter
What is the term for a rare pinkish orange sapphire?
Padparadscha
What is the primary purpose of beneficiation in the context of gemstones?
To reserve a portion of resources for economic development
Which market sector is characterized by the use of fine-quality gemstones in unique jewelry pieces?
High-end market
What is the term for a gemstone that is transparent enough to produce faceted gems?
Facet grade
What is the term for a city or region with a large number of gemstone manufacturers?
Cutting center
What is a random sample from a parcel of gemstones used to assess?
The overall quality of the parcel
What is the term for an unsorted mixture of gem qualities from a particular mine?
Mine lot
Which market sector is characterized by the use of average-quality gemstones in mass-market jewelry?
Commercial market
What is the term for a unique piece of jewelry designed and created for a particular customer, often around specially chosen stones?
Custom-made jewelry
What is the term for better-quality gemstones used in well-finished, moderately priced jewelry pieces?
Middle market
What is the primary purpose of a cutter in the gemstone industry?
To manufacture faceted stones, cabochons, or carvings
What is the term for a market sector where average-quality gemstones are used in mass-market jewelry?
Commercial market
What is the term for a gemstone size that is cut to fit standard mountings?
Calibrated size
What is the term for a random sample from a parcel of gemstones?
Cut
What is the term for a city, region, or country with a large number of gemstone manufacturers?
Cutting center
What is the term for a unique piece of jewelry designed and created for a particular customer?
Custom-made jewelry
What is the term for a rare pinkish orange sapphire?
Padparadscha
What is the term for an unsorted mixture of gem qualities from a particular mine?
Mine lot
What is the term for a discounted price for buying an entire parcel or a substantial part of it?
Lot price
What is the premium price for selecting stones from a parcel?
Pick Price
What is the involvement of business or industry in all aspects of its product's market ?
Vertical Integration
What is a quantity of stones of similar or mixed qualities and from a single mine or various sources, that is offered for sale together?
Parcel
What is term for a specific rough gemstones quality range, usually determined by color, size, clarity, and price?
Grade
A company or individual that supplies gems to jewelry manufacture and retailers is a .........?
Wholesaler
A non-standard cut usually applied to large important stones for use in expensive jewelry where standard size is not a consideration is referred to as.....?
Free-Size
Study Notes
Market Sectors
- High-end market: fine-quality, expensive gemstones used in unique, handcrafted jewelry pieces.
- Commercial market: average-quality gemstones used in mass-market jewelry.
- Middle market: better-quality gemstones used in well-finished, moderately priced jewelry pieces.
Gemstone Production
- Beneficiation: reserving a portion of resources for the economic development of a country.
- Mine lot (mine run): a mixture of gem qualities representing unsorted production from a particular mine.
Gemstone Qualities
- Facet grade: gemstone rough that's transparent enough and of high enough quality to produce faceted gems.
- Calibrated sizes: gemstone sizes cut to fit standard mountings.
Industry Terms
- Cut: a gem dealer's term for a random sample from a parcel of gemstones, often used to assess the parcel's overall quality.
- Cutter: a manufacturer who produces faceted stones, cabochons, or carvings.
- Cutting center: a city, region, or country with a large number of gemstone manufacturers.
Miscellaneous
- High grading: theft of a mine's production by its workers.
- Lot price: a discounted price for buying an entire parcel or a substantial part of it.
- Custom-made jewelry: a unique piece designed and created for a particular customer, often around specially chosen stones.
- Padparadscha: a rare pinkish orange sapphire.
- Origin: the geographical location where a gem was mined.
Test your knowledge of key terms related to colored stones, including beneficiation, high-end market, calibrated sizes, high grading, and commercial market.
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