DCA GEMOLOGY EXAM SCRIPT QUESTIONS AND
SOLUTIONS 2025/2026 GRADED A+
✔✔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
✔✔One gem that's rarely seen weighing over 5 carats in fine quality is - ✔✔Tsavorite
✔✔The most famous source of natural saltwater pearls was the - ✔✔Persian Gulf
✔✔Most South Sea cultured pearls are grown in Australia, the Philippines or -
✔✔Indonesia
✔✔How many nuclei can be accepted by most of the mussels used for culturing
Chinese freshwater pearls? - ✔✔Up to 50
✔✔A standard step in the processing of Akon's and Chinese freshwater cultured pearls
is - ✔✔Bleaching
✔✔A pearl's color can have up to three separate components- bodycolor, overtone and
- ✔✔Orient
✔✔The average size of Tahitian cultured pearls is about - ✔✔9 millimeters
✔✔Amber is a form of - ✔✔Fossilized resin
✔✔In the 1990s consumer interest in amber was fanned by the blockbuster movie -
✔✔Jurassic Park
✔✔Some coral is now being harvested by - ✔✔Minisubs
, ✔✔Ammolite is a type of fossilized shell that can display - ✔✔Iridescence
✔✔Archeological digs in Europe have found ivory carved - ✔✔30,000 years ago
✔✔The gem material known as tortoiseshell comes from the - ✔✔Hawksbill sea turtle
✔✔In which setting style does a metal collar wrap around the gem, thus protecting it? -
✔✔Bezel setting
✔✔A dinner-style ring with a large center gem surrounded by tapered baguette
diamonds in a radial pattern is called a - ✔✔Ballerina ring
✔✔Which gold alloy is 50% pure gold? - ✔✔12K
✔✔According to FTC guidelines, the term "platinum" may be used without qualification if
the fineness is at least - ✔✔950
✔✔Which method is a popular way to create custom-made jewelry, and can be adapted
for large-scale production? - ✔✔Casting
✔✔Today's trend in jewelry branding began with growing recognition of designers in the
- ✔✔1970s
✔✔The most common gem species are chalcedony and - ✔✔Quartz
✔✔To be blue, a sapphire must contain traces of iron and - ✔✔Titanium
✔✔Igneous gem formation begins with - ✔✔Melted rock material
✔✔Amethyst, aquamarine, chrysoberyl, citrine, moonstone, tourmaline, topaz and
spessartite garnet are among the gems that often form in - ✔✔Pegmatites
✔✔The most popular sedimentary gem is - ✔✔Opal
✔✔Primary deposits occur in places where gems - ✔✔Formed or came to the surface
✔✔River sorting is a process that occurs in - ✔✔Alluvial deposits
✔✔Gem prospecting is often carried on through old and simple methods in - ✔✔Sri
Lanka
✔✔One of the variables that can affect what happens to a gem deposit after it's
discovered is - ✔✔Geography
SOLUTIONS 2025/2026 GRADED A+
✔✔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
✔✔One gem that's rarely seen weighing over 5 carats in fine quality is - ✔✔Tsavorite
✔✔The most famous source of natural saltwater pearls was the - ✔✔Persian Gulf
✔✔Most South Sea cultured pearls are grown in Australia, the Philippines or -
✔✔Indonesia
✔✔How many nuclei can be accepted by most of the mussels used for culturing
Chinese freshwater pearls? - ✔✔Up to 50
✔✔A standard step in the processing of Akon's and Chinese freshwater cultured pearls
is - ✔✔Bleaching
✔✔A pearl's color can have up to three separate components- bodycolor, overtone and
- ✔✔Orient
✔✔The average size of Tahitian cultured pearls is about - ✔✔9 millimeters
✔✔Amber is a form of - ✔✔Fossilized resin
✔✔In the 1990s consumer interest in amber was fanned by the blockbuster movie -
✔✔Jurassic Park
✔✔Some coral is now being harvested by - ✔✔Minisubs
, ✔✔Ammolite is a type of fossilized shell that can display - ✔✔Iridescence
✔✔Archeological digs in Europe have found ivory carved - ✔✔30,000 years ago
✔✔The gem material known as tortoiseshell comes from the - ✔✔Hawksbill sea turtle
✔✔In which setting style does a metal collar wrap around the gem, thus protecting it? -
✔✔Bezel setting
✔✔A dinner-style ring with a large center gem surrounded by tapered baguette
diamonds in a radial pattern is called a - ✔✔Ballerina ring
✔✔Which gold alloy is 50% pure gold? - ✔✔12K
✔✔According to FTC guidelines, the term "platinum" may be used without qualification if
the fineness is at least - ✔✔950
✔✔Which method is a popular way to create custom-made jewelry, and can be adapted
for large-scale production? - ✔✔Casting
✔✔Today's trend in jewelry branding began with growing recognition of designers in the
- ✔✔1970s
✔✔The most common gem species are chalcedony and - ✔✔Quartz
✔✔To be blue, a sapphire must contain traces of iron and - ✔✔Titanium
✔✔Igneous gem formation begins with - ✔✔Melted rock material
✔✔Amethyst, aquamarine, chrysoberyl, citrine, moonstone, tourmaline, topaz and
spessartite garnet are among the gems that often form in - ✔✔Pegmatites
✔✔The most popular sedimentary gem is - ✔✔Opal
✔✔Primary deposits occur in places where gems - ✔✔Formed or came to the surface
✔✔River sorting is a process that occurs in - ✔✔Alluvial deposits
✔✔Gem prospecting is often carried on through old and simple methods in - ✔✔Sri
Lanka
✔✔One of the variables that can affect what happens to a gem deposit after it's
discovered is - ✔✔Geography
