Gem Stones - Carat and Business
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Questions and Answers

What is the main reason why large gems cost more per carat?

  • They are more beautiful
  • They are more rare (correct)
  • They are more difficult to cut
  • They are more expensive to maintain

    • What tool is used to sort small, round gems by size?

  • A millimeter gauge
  • A scoop
  • A sieve set (correct)
  • A matching tray

    • How do most colored stones get sold?

  • By weight (correct)
  • By quality
  • By piece
  • By shape

    • What is the main purpose of a millimeter gauge?

    <p>To measure the dimensions of a gem</p> Signup and view all the answers

    What is a consignment?

    <p>A selection of goods loaned to a dealer</p> Signup and view all the answers

    What is the international unit of measurement for gem weight?

    <p>Metric carat</p> Signup and view all the answers

    What is a memo?

    <p>A buying agreement without immediate payment</p> Signup and view all the answers

    What is the purpose of a matching tray?

    <p>To match sets of stones on a grooved, non reflective, neutrally colored surface</p> Signup and view all the answers

    What is a unit price?

    <p>The price per piece</p> Signup and view all the answers

    What is a per-carat price?

    <p>The price per carat</p> Signup and view all the answers

    Why are large gems more rare than small ones?

    <p>There are fewer of them in the earth's crust</p> Signup and view all the answers

    What is the purpose of a sieve set in the gem business?

    <p>To sort small, round gems by size</p> Signup and view all the answers

    What is the most common shape of calibrated colored stones?

    <p>Round</p> Signup and view all the answers

    What is the significance of a gem's recorded carat weight and dimensions?

    <p>It helps to identify the gem later</p> Signup and view all the answers

    What is the purpose of a presentation in the gem business?

    <p>To make the gem more attractive to customers</p> Signup and view all the answers

    What is the typical tolerance for calibrated gems in a parcel?

    <p>0.10 mm</p> Signup and view all the answers

    What is the role of a successful dealer in the gem business?

    <p>To stock the range and quality of gems their customers need</p> Signup and view all the answers

    What is the purpose of a sorting pad in the gem business?

    <p>To sort and show gems</p> Signup and view all the answers

    What is the significance of a point in the gem business?

    <p>It is one one-hundredth of a carat</p> Signup and view all the answers

    What is the purpose of a scoop in the gem business?

    <p>To pick up gems</p> Signup and view all the answers

    Study Notes

    Gem Weight and Pricing

    • Large gems are more rare and expensive per carat than smaller ones, even if they have the same quality.
    • Colored stones are typically sold by weight.

    Gem Sorting and Measurement

    • Dealers use sieves to sort large lots of small, round gems into same-size parcels.
    • The sizes of calibrated gems in a parcel should be within 0.10 mm of each other.
    • A millimeter gauge is an essential tool for measuring gem dimensions.

    Gem Identification and Presentation

    • A gem's recorded carat weight and dimensions can help identify it later.
    • Presentation is crucial to making stones look their best.

    Key Terms in the Gem Business

    • Consignment: a selection of goods loaned to a dealer by another wholesaler or gem cutter.
    • Point: one one-hundredth of a carat (0.01 ct).
    • Scoop: a small shovel made of thin metal, used for picking up gems.
    • Matching tray: a grooved, neutrally colored, non-reflective tray used to match sets of stones.
    • Sieve set: a set of circular plates, each punched with precisely sized holes, used to sort small, round gems by size.
    • Memo: a buying agreement where a dealer entrusts merchandise to a client for inspection and approval without requiring immediate payment.
    • Sorting pad: a neutrally colored paper pad on which dealers sort and show gems.
    • Metric carat: the international unit of measurement for gem weight (1 carat equals 0.20 gram).
    • Unit price: the price per piece.
    • Per-carat price: the price of a gem divided by its carat weight.

    Gem Weight and Pricing

    • Large gems are more rare and expensive per carat than smaller ones, even if they have the same quality.
    • Colored stones are typically sold by weight.

    Gem Sorting and Measurement

    • Dealers use sieves to sort large lots of small, round gems into same-size parcels.
    • The sizes of calibrated gems in a parcel should be within 0.10 mm of each other.
    • A millimeter gauge is an essential tool for measuring gem dimensions.

    Gem Identification and Presentation

    • A gem's recorded carat weight and dimensions can help identify it later.
    • Presentation is crucial to making stones look their best.

    Key Terms in the Gem Business

    • Consignment: a selection of goods loaned to a dealer by another wholesaler or gem cutter.
    • Point: one one-hundredth of a carat (0.01 ct).
    • Scoop: a small shovel made of thin metal, used for picking up gems.
    • Matching tray: a grooved, neutrally colored, non-reflective tray used to match sets of stones.
    • Sieve set: a set of circular plates, each punched with precisely sized holes, used to sort small, round gems by size.
    • Memo: a buying agreement where a dealer entrusts merchandise to a client for inspection and approval without requiring immediate payment.
    • Sorting pad: a neutrally colored paper pad on which dealers sort and show gems.
    • Metric carat: the international unit of measurement for gem weight (1 carat equals 0.20 gram).
    • Unit price: the price per piece.
    • Per-carat price: the price of a gem divided by its carat weight.

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