GIA Diamond Essentials - Assignment 1
Questions And Answers
chemical ncomposition n- nAnswer n- nTypes nand nrelative nquantities nof na nmineral's natoms
structure n- nAnswer n- nThe narrangement nof natoms nin na nmineral
chemical nelement n- nAnswer n- nSubstance nthat ncontains nonly none ntype nof natom
What nis nthe nchemical ncomposition nof nDiamond? n- nAnswer n- nCarbon nwith ntrace nelements
How nis na ndiamond nformed? n- nAnswer n- nHigh ntemperature nand npressure
What nrange nbeneath nthe nEarth's nsurface nmay ndiamond nform? n- nAnswer n- n90-120 nmiles ndeep
Graphite ndiffers nfrom ndiamond nin... n- nAnswer n- nStructure
Value nFactors n- nAnswer n- nFactors nthat ndetermine na ngemstone's nvalue nbased non na ncombination
nof nfeatures
The nFour nCs n(definition) n- nAnswer n- nSet nof nvalue nfactors nused nto ndescribe nand nclassify
ndiamonds
The nFour nCs n(list) n- nAnswer n- nClarity, nColor, nCut, nCarat nWeight
A ndiamond's nvalue nis nbased non... n- nAnswer n- nIt's nown nunique ncombination nof nthe nFour nCs
, Clarity n- nAnswer n- nThe nrelative nabsence nof ninclusions nand nblemishes
Blemish n- nAnswer n- nSurface nirregularities
Inclusions n- nAnswer n- nInternal nfeatures nor nfeatures nthat nextend nto nthe ninside nof na ndiamond
Benefits nof nclarity ncharacteristics n- nAnswer n- n1. nHelp nseparate nnatural nvs nlab ngrown nor
nimitation n
2. nIdentify nto nindividual nstones n
3. nProvide ninfo non nhow ndiamonds nform
Which ntypically nhas nmore nimpact non nthe nvalue nof na nstone? nInclusions nor nBlemishes? n- nAnswer
n- nInclusions
Flawless n- nAnswer n- nTop ngrade nin nGIA nClarity ngrading nsystem. nDiamond nthat ndoes nnot nhave
nvisible ninclusions nor nblemishes nwhen nviewed nunder n10x nmagnification.
With nrespect nto nColor, nmost ndiamonds nused nin njewelry nare.... n- nAnswer n- nNearly ncolorless nwith
nlight nyellow ntints
Colored nDiamonds n- nAnswer n- nDiamonds nin ncolors noutside nthe nNormal nColor nRange. nAlso ncalled
n"Fancy"
Lab nGrown n- nAnswer n- nMan nmade nmaterial nwith nthe nsame nstructure, nchemical ncomposition nand
nphysical nand noptical nproperties nas nthe nnatural ngem nmaterial
Lab ngrown ndiamonds n- nAnswer n- nMan-made nmaterial nthat ncontain ncarbon natoms narranged nin
nthe nsame nway nas na nnatural ndiamond
Lab-Grown nIndustrial nDiamonds n- nAnswer n- nMan-made nmaterial nused nas nabrasives nand ncutting
ntools nsince nthe nmid-1950s
Questions And Answers
chemical ncomposition n- nAnswer n- nTypes nand nrelative nquantities nof na nmineral's natoms
structure n- nAnswer n- nThe narrangement nof natoms nin na nmineral
chemical nelement n- nAnswer n- nSubstance nthat ncontains nonly none ntype nof natom
What nis nthe nchemical ncomposition nof nDiamond? n- nAnswer n- nCarbon nwith ntrace nelements
How nis na ndiamond nformed? n- nAnswer n- nHigh ntemperature nand npressure
What nrange nbeneath nthe nEarth's nsurface nmay ndiamond nform? n- nAnswer n- n90-120 nmiles ndeep
Graphite ndiffers nfrom ndiamond nin... n- nAnswer n- nStructure
Value nFactors n- nAnswer n- nFactors nthat ndetermine na ngemstone's nvalue nbased non na ncombination
nof nfeatures
The nFour nCs n(definition) n- nAnswer n- nSet nof nvalue nfactors nused nto ndescribe nand nclassify
ndiamonds
The nFour nCs n(list) n- nAnswer n- nClarity, nColor, nCut, nCarat nWeight
A ndiamond's nvalue nis nbased non... n- nAnswer n- nIt's nown nunique ncombination nof nthe nFour nCs
, Clarity n- nAnswer n- nThe nrelative nabsence nof ninclusions nand nblemishes
Blemish n- nAnswer n- nSurface nirregularities
Inclusions n- nAnswer n- nInternal nfeatures nor nfeatures nthat nextend nto nthe ninside nof na ndiamond
Benefits nof nclarity ncharacteristics n- nAnswer n- n1. nHelp nseparate nnatural nvs nlab ngrown nor
nimitation n
2. nIdentify nto nindividual nstones n
3. nProvide ninfo non nhow ndiamonds nform
Which ntypically nhas nmore nimpact non nthe nvalue nof na nstone? nInclusions nor nBlemishes? n- nAnswer
n- nInclusions
Flawless n- nAnswer n- nTop ngrade nin nGIA nClarity ngrading nsystem. nDiamond nthat ndoes nnot nhave
nvisible ninclusions nor nblemishes nwhen nviewed nunder n10x nmagnification.
With nrespect nto nColor, nmost ndiamonds nused nin njewelry nare.... n- nAnswer n- nNearly ncolorless nwith
nlight nyellow ntints
Colored nDiamonds n- nAnswer n- nDiamonds nin ncolors noutside nthe nNormal nColor nRange. nAlso ncalled
n"Fancy"
Lab nGrown n- nAnswer n- nMan nmade nmaterial nwith nthe nsame nstructure, nchemical ncomposition nand
nphysical nand noptical nproperties nas nthe nnatural ngem nmaterial
Lab ngrown ndiamonds n- nAnswer n- nMan-made nmaterial nthat ncontain ncarbon natoms narranged nin
nthe nsame nway nas na nnatural ndiamond
Lab-Grown nIndustrial nDiamonds n- nAnswer n- nMan-made nmaterial nused nas nabrasives nand ncutting
ntools nsince nthe nmid-1950s
