CS 7: The Colored Stone Market Flashcards
What is Myanmar’s most important gem export?
Ruby
Which location produces the majority of rubies that end up in mass-produced jewelry?
Mong Hsu
Which trade term describes a mixture of gem qualities that represents unsorted production from a particular mine?
Mine run
Which term describes a specific rough gemstone quality range, usually determined by color, size, clarity, and price?
Grade
Where is rough from Mogok brought into Thailand?
Mae Sot
Where is rough from Mong Hsu brought into Thailand?
Mae Sai
In mining terms, the theft of a mine’s production by its workers is known as
High Grading
Which of the following is a quantity of stones, sometimes of similar size and quality, from a single mine or from many different sources?
Parcel
What city is a cutting center for colored stones in Thailand?
Chantaburi
Materials cut free-size are usually
large, important stones
Gemstone sizes cut to fit standard mountings are known as
Calibrated sizes
The market sector where better-quality gemstones are used in well-finished, moderately priced jewelry is known as the
Middle Market
Which term describes a random sample from a parcel of gemstones, often used to assess the parcel’s overally quality?
Cut
Which of the following is a price for buying an entire parcel of gems, or a substantial part of it?
Lot Price
Which of the following is a premium price for selecting stones from a parcel?
Pick Price
Definition:
Gemstone sizes cut to fit standard mountings
Calibrated sizes
Definition:
A document that indicates a stones geographic origin, based on its inclusion and trace element chemistry
Certificate of Origin
Definition:
Market sector where average-quality gemstones are used in mass-market jewelry
Commerical Market
Definition:
A unique piece designed and created for a particular customer, often around specially chosen stones
Custom-made jewelry
Definition:
a gem dealer’s term for a random sample from a parcel of gemstones, often used to asses the parcel’s overall quality
Cut
Definition:
A manufacturer who produces faceted stones, cabochones, or carvings
Cutter
Definition:
A city, region, or country with a large number of gemstone manufacturers
Cutting Center
Definition:
Gemstone rough that’s transparent enough and of high enough quality to produce faceted gems
Facet Grade
Definition:
Non-standard cutting, usually applied to large, important stones for use in expensive jewelry where standard size is not a consideration
Free-size
Definition:
A specific rough gemstone quality range, usually determined by color, size, clarity, and price
Grade
Definition:
Market sector where fine-quality, expensive gemstones are used in unique, handcrafted jewelry pieces
High-end market
Definition:
In mining terms, theft of a mine’s production by its workers
High Grading
Definition:
A discounted price for buying an entire parcel or a substantial part of it
Lot price
Definition:
Market sector where better quality gemstones are used in well-finished, moderately priced jewelry pieces
Middle Market
Definition:
A mixture of gem qualities that represents unsorted production from a particular mine
Mine lot (mine run)
Definition:
The geographical place where a gem was mined
Origin
Definition:
A quantity of stones, sometimes of similar size and quality, perhaps from a single mine, but often from various sources, that’s offered for sale together
Parcel
Definition:
A premium price for selecting stones from a parcel
Pick Price
Definition:
A gem-producing area, or a particular mine in that area
Source
Definition:
A company or individual that supplies gems to jewelry manufacturers and retailers
Wholesaler
What is the highest demand in gems for?
mass-market-quality gem rough
How are commercial-quality stones calibrated and valued?
By the price per stone more than their individual quality factors
What are 3 important factors for middle-market gems?
- Color
- Cut
- Clarity
What are the 3 main attributes of a fine stone?
- Rarity
- Exceptional Color
- Large Size
