GIA Diamonds and Diamond Grading Final
| | | | | |
Exam 2 with correct detailed answers
| | | | |
London |Diamond |Syndicate |- |ANSWER-What |group |was |critical |to |De |Beers's |early |sales |strategy?
Color |- |ANSWER-How |are |gem-quality |rough |diamonds |sorted?
Baby |Boomers |- |ANSWER-What |generation |was |first |to |connect |with |diamonds |as |a |representation |of
|lifetime |commitment?
India |- |ANSWER-Where |did |the |diamond |industry |first |start?
Single-channel |marketing |- |ANSWER-What |describes |the |concept |of |centrally |controlled |supply, |
purchase, |promotion, |and |sales |of |rough |diamonds?
Lower |mantle |- |ANSWER-What |mantle |layer |is |most |dense?
Will |turn |into |graphite |- |ANSWER-What |happens |to |diamond |if |lamproite |stalls |in |the |continental |
crust?
When |a |continental |and |oceanic |plate |collide |- |ANSWER-When |does |subduction |occur?
High |heat |and |high |pressure |- |ANSWER-How |are |metamorphic |rocks |formed?
CLIPPIR |diamonds, |blue |diamonds, |Brazil's |Junia |diamond |- |ANSWER-What |is |an |example |of |a |
superdeep |diamond?
A |good |sign |that |a |pipe |is |nearby |- |ANSWER-What |might |black |spinel |in |a |mineral |sample |indicate?
,Robotic/automated |crawlers |- |ANSWER-What |equipment |might |offshore |deep-sea |diamond |mining |
use?
Primary |deposits |- |ANSWER-What |deposit |type |produces |most |diamonds |mined |today?
Character |sampling |- |ANSWER-What |type |of |sampling |gives |an |initial |idea |of |diamond |quality |for |a |
deposit?
Brazil |- |ANSWER-Where |are |rocks |and |geological |structures |similar |to |Africa |found |due |to |ancient |
connections?
Crystal |structure |- |ANSWER-What |is |another |term |for |crystal |lattice?
Type |Ia |- |ANSWER-What |type |are |most |natural |diamonds?
Cleavage |- |ANSWER-What |is |a |smooth, |flat |break |in |a |crystal |parallel |to |a |cleavage |plane?
Macle |- |ANSWER-What |is |a |flat, |triangular, |twinned |diamond |crystal?
Intrinsic |defect |and |extrinsic |defects |- |ANSWER-What |types |of |point |defects |are |found |in |diamonds?
Color |center |- |ANSWER-What |influences |light |absorption, |resulting |in |bodycolor?
Hydrogen-related |defects |- |ANSWER-What |trace |element |can |cause |a |violet |color |in |diamonds?
Lower |- |ANSWER-How |does |the |energy |emitted |by |a |gem |compare |to |the |energy |it |absorbs?
White |light |- |ANSWER-What |type |of |light |combines |all |the |colors |in |the |visible |spectrum?
, Nitrogen |defects |- |ANSWER-What |is |the |most |common |cause |of |yellow |color |in |diamonds?
Cutting |- |ANSWER-What |controls |light |path |length |within |a |diamond?
Luster |- |ANSWER-What |term |describes |a |gemstone's |surface |in |reflected |light?
Fire |- |ANSWER-What |describes |the |flashes |of |spectral |colors |seen |in |a |polished |diamond?
Determine |which |proportion |combinations |create |the |most |attractive |light |performance |- |ANSWER-
What |was |the |main |goal |of |research |in |developing |the |GIA |Cut |Grading |System?
Measured |btwn |the |normal |and |the |reflected |light |- |ANSWER-What |best |describes |the |angle |of |
incidence?
Cleaving |- |ANSWER-What |process |splits |diamond |rough |along |its |cleavage |plane?
Strain |- |ANSWER-What |do |cutters |evaluate |to |determine |when |to |use |a |scaife |for |coning?
Bruting |- |ANSWER-What |made |true |round-shaped |diamonds |possible?
Old |European |cut |- |ANSWER-What |was |the |prototype |of |the |modern |round |brilliant |cut?
Holds/secures |a |diamond |in |place |- |ANSWER-What |does |a |dop |do?
High |pressure, |high |temperature |- |ANSWER-What |does |HPHT |stand |for?
Cuboctahedrons |- |ANSWER-What |rough |form |does |NOT |appear |in |natural |diamonds
Type |1b |- |ANSWER-What |diamond |type |can |be |created |by |the |HPHT |method?
| | | | | |
Exam 2 with correct detailed answers
| | | | |
London |Diamond |Syndicate |- |ANSWER-What |group |was |critical |to |De |Beers's |early |sales |strategy?
Color |- |ANSWER-How |are |gem-quality |rough |diamonds |sorted?
Baby |Boomers |- |ANSWER-What |generation |was |first |to |connect |with |diamonds |as |a |representation |of
|lifetime |commitment?
India |- |ANSWER-Where |did |the |diamond |industry |first |start?
Single-channel |marketing |- |ANSWER-What |describes |the |concept |of |centrally |controlled |supply, |
purchase, |promotion, |and |sales |of |rough |diamonds?
Lower |mantle |- |ANSWER-What |mantle |layer |is |most |dense?
Will |turn |into |graphite |- |ANSWER-What |happens |to |diamond |if |lamproite |stalls |in |the |continental |
crust?
When |a |continental |and |oceanic |plate |collide |- |ANSWER-When |does |subduction |occur?
High |heat |and |high |pressure |- |ANSWER-How |are |metamorphic |rocks |formed?
CLIPPIR |diamonds, |blue |diamonds, |Brazil's |Junia |diamond |- |ANSWER-What |is |an |example |of |a |
superdeep |diamond?
A |good |sign |that |a |pipe |is |nearby |- |ANSWER-What |might |black |spinel |in |a |mineral |sample |indicate?
,Robotic/automated |crawlers |- |ANSWER-What |equipment |might |offshore |deep-sea |diamond |mining |
use?
Primary |deposits |- |ANSWER-What |deposit |type |produces |most |diamonds |mined |today?
Character |sampling |- |ANSWER-What |type |of |sampling |gives |an |initial |idea |of |diamond |quality |for |a |
deposit?
Brazil |- |ANSWER-Where |are |rocks |and |geological |structures |similar |to |Africa |found |due |to |ancient |
connections?
Crystal |structure |- |ANSWER-What |is |another |term |for |crystal |lattice?
Type |Ia |- |ANSWER-What |type |are |most |natural |diamonds?
Cleavage |- |ANSWER-What |is |a |smooth, |flat |break |in |a |crystal |parallel |to |a |cleavage |plane?
Macle |- |ANSWER-What |is |a |flat, |triangular, |twinned |diamond |crystal?
Intrinsic |defect |and |extrinsic |defects |- |ANSWER-What |types |of |point |defects |are |found |in |diamonds?
Color |center |- |ANSWER-What |influences |light |absorption, |resulting |in |bodycolor?
Hydrogen-related |defects |- |ANSWER-What |trace |element |can |cause |a |violet |color |in |diamonds?
Lower |- |ANSWER-How |does |the |energy |emitted |by |a |gem |compare |to |the |energy |it |absorbs?
White |light |- |ANSWER-What |type |of |light |combines |all |the |colors |in |the |visible |spectrum?
, Nitrogen |defects |- |ANSWER-What |is |the |most |common |cause |of |yellow |color |in |diamonds?
Cutting |- |ANSWER-What |controls |light |path |length |within |a |diamond?
Luster |- |ANSWER-What |term |describes |a |gemstone's |surface |in |reflected |light?
Fire |- |ANSWER-What |describes |the |flashes |of |spectral |colors |seen |in |a |polished |diamond?
Determine |which |proportion |combinations |create |the |most |attractive |light |performance |- |ANSWER-
What |was |the |main |goal |of |research |in |developing |the |GIA |Cut |Grading |System?
Measured |btwn |the |normal |and |the |reflected |light |- |ANSWER-What |best |describes |the |angle |of |
incidence?
Cleaving |- |ANSWER-What |process |splits |diamond |rough |along |its |cleavage |plane?
Strain |- |ANSWER-What |do |cutters |evaluate |to |determine |when |to |use |a |scaife |for |coning?
Bruting |- |ANSWER-What |made |true |round-shaped |diamonds |possible?
Old |European |cut |- |ANSWER-What |was |the |prototype |of |the |modern |round |brilliant |cut?
Holds/secures |a |diamond |in |place |- |ANSWER-What |does |a |dop |do?
High |pressure, |high |temperature |- |ANSWER-What |does |HPHT |stand |for?
Cuboctahedrons |- |ANSWER-What |rough |form |does |NOT |appear |in |natural |diamonds
Type |1b |- |ANSWER-What |diamond |type |can |be |created |by |the |HPHT |method?
