DCA GEMOLOGY EVALUATION EXAMS QUESTIONS AND
SOLUTIONS 2025/2026 GRADED A+
✔✔Compared to the background, the area of display accent colors should equal about -
✔✔10 to 15
✔✔For display props there may be durability concerns related to - ✔✔Hardness
✔✔ Colored gemstone jewelry represents about what percentage of sales for many
jewelry retailers> - ✔✔10%
✔✔Women buying for themselves often choose gemstone jewelry for its fashionability,
affordability and - ✔✔Individuality
✔✔Colored gemstones offer traditional retailers a competitive advantage because they
usually require - ✔✔Personalized presentations
✔✔Mineral gems come from Earth's rock forming processes, and are the products most
consumers think of as - ✔✔Natural gems
✔✔In modern times some organic gems have been affected by - ✔✔Environmental
issues
✔✔Some experts estimate that what fraction of colored gems is now treated? - ✔✔3/4
✔✔Most modern imitation gems are made from glass, ceramic, or - ✔✔Plastic
✔✔All true gemstones possess beauty, rarity and - ✔✔Durability
✔✔For each kind of gem there's a scale of rarity that's determined by factors like -
✔✔Color intensity
✔✔Focal points in presenting colored gems typically include representing products,
disclosing treatments, explaining value and - ✔✔Capturing magic
✔✔The colors seen in a particular setting largely depend on the - ✔✔Available light
✔✔Which kind of "white" light usually contains relatively high amounts of yellow, orange
and red? - ✔✔Incandescent light
✔✔In the color equation, the atoms that compose an object can cause - ✔✔Selective
absorption
, ✔✔Tanzanite is one of the gems that show - ✔✔Pleochroism
✔✔According to researchers, most people can distinguish between more than how
many colors? - ✔✔7 million
✔✔Most colors have three dimensions- hue, tone and - ✔✔Saturation
✔✔Dark colors tend to make objects look - ✔✔Smaller
✔✔According to consensus, the color with the most emotional punch is - ✔✔Red
✔✔For some customers, the color cycles of greatest interest exist in the world of -
✔✔Fashion
✔✔To make colors work most effectively in jewelry retailing, it's necessary for sales
professionals to learn more about color, gems and - ✔✔Customers
✔✔A mineral type defined by the combination of chemical composition and crystal
structure is - ✔✔a species
✔✔Treated gems were found in the tomb of - ✔✔An Egyptian pharaoh
✔✔A common treatment for blue sapphire is - ✔✔Heating
✔✔Which colored gem is least likely to be treated? - ✔✔Garnet
✔✔Which of the following synthetics is not commonly available in the jewelry industry? -
✔✔Synthetic zircon
✔✔The Egyptians were using glass to imitate emerald and other gems by - ✔✔1000 BC
✔✔Emerald, ruby and sapphire are prime examples of how a gem's value can be
enhanced by - ✔✔Cultural traditions
✔✔When it comes to color, each type of gem has its own unique - ✔✔Range
✔✔The distinction between emerald and green beryl is based primarily on - ✔✔Color
intensity
✔✔In which kind of gem are minor inclusions expected and accepted? - ✔✔Ruby
✔✔In gem cutting, a free-form shape that combines flat facets and curved surfaces is
known as - ✔✔Fantasy cut
SOLUTIONS 2025/2026 GRADED A+
✔✔Compared to the background, the area of display accent colors should equal about -
✔✔10 to 15
✔✔For display props there may be durability concerns related to - ✔✔Hardness
✔✔ Colored gemstone jewelry represents about what percentage of sales for many
jewelry retailers> - ✔✔10%
✔✔Women buying for themselves often choose gemstone jewelry for its fashionability,
affordability and - ✔✔Individuality
✔✔Colored gemstones offer traditional retailers a competitive advantage because they
usually require - ✔✔Personalized presentations
✔✔Mineral gems come from Earth's rock forming processes, and are the products most
consumers think of as - ✔✔Natural gems
✔✔In modern times some organic gems have been affected by - ✔✔Environmental
issues
✔✔Some experts estimate that what fraction of colored gems is now treated? - ✔✔3/4
✔✔Most modern imitation gems are made from glass, ceramic, or - ✔✔Plastic
✔✔All true gemstones possess beauty, rarity and - ✔✔Durability
✔✔For each kind of gem there's a scale of rarity that's determined by factors like -
✔✔Color intensity
✔✔Focal points in presenting colored gems typically include representing products,
disclosing treatments, explaining value and - ✔✔Capturing magic
✔✔The colors seen in a particular setting largely depend on the - ✔✔Available light
✔✔Which kind of "white" light usually contains relatively high amounts of yellow, orange
and red? - ✔✔Incandescent light
✔✔In the color equation, the atoms that compose an object can cause - ✔✔Selective
absorption
, ✔✔Tanzanite is one of the gems that show - ✔✔Pleochroism
✔✔According to researchers, most people can distinguish between more than how
many colors? - ✔✔7 million
✔✔Most colors have three dimensions- hue, tone and - ✔✔Saturation
✔✔Dark colors tend to make objects look - ✔✔Smaller
✔✔According to consensus, the color with the most emotional punch is - ✔✔Red
✔✔For some customers, the color cycles of greatest interest exist in the world of -
✔✔Fashion
✔✔To make colors work most effectively in jewelry retailing, it's necessary for sales
professionals to learn more about color, gems and - ✔✔Customers
✔✔A mineral type defined by the combination of chemical composition and crystal
structure is - ✔✔a species
✔✔Treated gems were found in the tomb of - ✔✔An Egyptian pharaoh
✔✔A common treatment for blue sapphire is - ✔✔Heating
✔✔Which colored gem is least likely to be treated? - ✔✔Garnet
✔✔Which of the following synthetics is not commonly available in the jewelry industry? -
✔✔Synthetic zircon
✔✔The Egyptians were using glass to imitate emerald and other gems by - ✔✔1000 BC
✔✔Emerald, ruby and sapphire are prime examples of how a gem's value can be
enhanced by - ✔✔Cultural traditions
✔✔When it comes to color, each type of gem has its own unique - ✔✔Range
✔✔The distinction between emerald and green beryl is based primarily on - ✔✔Color
intensity
✔✔In which kind of gem are minor inclusions expected and accepted? - ✔✔Ruby
✔✔In gem cutting, a free-form shape that combines flat facets and curved surfaces is
known as - ✔✔Fantasy cut
