GIA Diamond Essential 2026
Expert Verifed Ace the Text
FIRE - ANSWER ✔✔The flashes of color you see in a polished
diamond
BRIGHTNESS - ANSWER ✔✔The effect of all the diamond's internal
and external reflections of white light
SCINTILLATION - ANSWER ✔✔The flashes of light and the
contrasting dark areas you see when the diamond, the light, or the
observer moves
CROWN - ANSWER ✔✔Top part of the gem above the girdle
, GIRDLE - ANSWER ✔✔The narrow section of a finished gem that
forms the boundary between the crown and the pavilion and functions as
the gem's setting edge
PAVILION - ANSWER ✔✔Lower part of a faceted gem below the
girdle
FACET - ANSWER ✔✔A flat, polished surface on a finished gem
CULET - ANSWER ✔✔Small facet at the bottom of a finished gem
BRILLIANT CUT - ANSWER ✔✔Cutting style with triangular or kite-
shaped facets that radiate from the center toward the girdle
STANDARD ROUND BRILLIANT - ANSWER ✔✔A round brilliant-cut
stone with 57 or 58 facets. Often called a full cut
SINGLE CUT - ANSWER ✔✔A round stone with 17 or 18 facets
FANCY CUT - ANSWER ✔✔Amy gemstone shape other than a
standard round brilliant
STEP CUT - ANSWER ✔✔A cutting style that features long, narrow
facets in rows parallel to the girdle on both the crown and pavilion
BAGUETTE - ANSWER ✔✔A small, four-sided step cut that's
rectangular, square, or tapered
Expert Verifed Ace the Text
FIRE - ANSWER ✔✔The flashes of color you see in a polished
diamond
BRIGHTNESS - ANSWER ✔✔The effect of all the diamond's internal
and external reflections of white light
SCINTILLATION - ANSWER ✔✔The flashes of light and the
contrasting dark areas you see when the diamond, the light, or the
observer moves
CROWN - ANSWER ✔✔Top part of the gem above the girdle
, GIRDLE - ANSWER ✔✔The narrow section of a finished gem that
forms the boundary between the crown and the pavilion and functions as
the gem's setting edge
PAVILION - ANSWER ✔✔Lower part of a faceted gem below the
girdle
FACET - ANSWER ✔✔A flat, polished surface on a finished gem
CULET - ANSWER ✔✔Small facet at the bottom of a finished gem
BRILLIANT CUT - ANSWER ✔✔Cutting style with triangular or kite-
shaped facets that radiate from the center toward the girdle
STANDARD ROUND BRILLIANT - ANSWER ✔✔A round brilliant-cut
stone with 57 or 58 facets. Often called a full cut
SINGLE CUT - ANSWER ✔✔A round stone with 17 or 18 facets
FANCY CUT - ANSWER ✔✔Amy gemstone shape other than a
standard round brilliant
STEP CUT - ANSWER ✔✔A cutting style that features long, narrow
facets in rows parallel to the girdle on both the crown and pavilion
BAGUETTE - ANSWER ✔✔A small, four-sided step cut that's
rectangular, square, or tapered
