4C Standard yog dab tsi?

Pob Zeb Diamond Xim
Pob zeb diamond xim yog muab qhab nia nyob rau hauv ib tug standardized saib ib puag ncig.Gemologists soj ntsuam cov xim nyob rau hauv lub D rau Z xim ntau yam nrog lub pob zeb diamond muab tso rau pem hauv ntej, saib los ntawm sab, los pab txhawb ib tug nruab nrab saib.

Pob zeb diamond Clarily
Qib clarity raws li kev lees paub thoob ntiaj teb ntawm 10X magnification, raws li qhov pom, qhov loj, tus lej, qhov chaw thiab qhov xwm txheej ntawm cov yam ntxwv sab hauv thiab saum npoo ntawm qhov magnification.

Pob zeb diamond txiav
Gemologists tag nrho cov proportions, ntsuas thiab facet ces kaum yog muab piv nrog rau cov kev tshawb fawb ntawm brightness, hluav taws kub, scintillation thiab qauv los txiav txim qhov txiav Qib.

Pob zeb diamond Carat
Thawj theem ntawm pob zeb diamond grading yog hnyav lub pob zeb diamond.Carat hnyav yog tus qauv hnyav ntsuas rau gemstones.Kev muab qhab nia ntawm pob zeb diamond yog rau ob qhov chaw lej kom ntseeg tau qhov tseeb.

Lub lab cog pob zeb diamond kev lag luam tau dhau los ua neeg nyiam nyob rau xyoo tas los no.

Joe Yatooma, tus tswv ntawm Dash Diamonds hauv West Bloomfield hais tias "Lub chaw kuaj pob zeb loj hlob yog nrov heev," said Joe Yatooma, tus tswv ntawm Dash Diamonds hauv West Bloomfield.

Yatooma tau hais tias lub lab cog pob zeb diamond tau dhau los ua qhov tseeb vim tias tam sim no lawv suav tias yog "tiag tiag" pob zeb diamond.

"Qhov laj thawj yog vim li cas peb tau txais lub chaw soj nstuam cog pob zeb diamond ntawm no ntawm Dash Diamonds yog vim tias lub koom haum Gemologist ntawm Asmeskas tam sim no pom zoo rau lub chaw sim cog pob zeb diamond thiab muab qib rau nws," Yatooma hais.

Rau qhov muag liab qab nws yuav luag tsis yooj yim sua kom qhia qhov txawv ntawm ib lab cog pob zeb diamond thiab ntuj pob zeb diamond, txawm li cas los xij muaj qhov sib txawv ntawm tus nqi.

Yatooma piv ob lub caj dab uas muaj tib lub pob zeb diamond.Thawj zaug tau cog pob zeb diamonds thiab qhov thib ob nws tau hais tias tau kuaj pom pob zeb diamond.

"Qhov no raug nqi 12-loj, tus nqi no yog $4,500," Yatooma piav qhia.

Lab cog pob zeb diamonds kuj tseem suav tias yog ib puag ncig zoo dua vim tias kev tsuas me me tau koom nrog thiab lawv kuj tau txiav txim siab kom muaj kev sib raug zoo dua.

Tias yog vim li cas pob zeb diamond mined feem ntau hu ua ntshav pob zeb diamond, los yog tsis sib haum xeeb pob zeb diamond.

Txawm tias lub pob zeb diamond lag luam loj heev, Debeers, tau nkag mus rau hauv qhov chaw cog qoob loo nrog nws cov kab tshiab hu ua - Lightbox, uas touts pob zeb diamond ua los ntawm kev tshawb fawb.

Qee cov neeg ua yeeb yam kuj tau hais txog lawv qhov kev txhawb nqa ntawm lab cog pob zeb diamond, zoo li Lady Gaga, Penelope Cruz thiab Meghan Markle.

Muaj qee qhov kev txhawj xeeb nrog kev sim cog pob zeb diamond hauv xyoo tas los no.

Yatooma tau hais tias "Lub thev naus laus zis tsis ua raws li lub sijhawm," Yatooma hais.

Yatooma qhia tau hais tias yav dhau los txoj hauv kev ntawm kev sim lub pob zeb diamond tiag tiag tsis tuaj yeem paub qhov txawv ntawm ntuj thiab chaw kuaj.

Yatooma piav qhia tias "Nws ua nws txoj haujlwm tiag tiag vim tias lub chaw kuaj mob pob zeb diamond yog pob zeb diamond," Yatooma piav qhia.

Vim tias cov thev naus laus zis tsis tu ncua, Yatooma tau hais tias kev lag luam raug yuam kom siv cov kev sim siab dua.Txog niaj hnub no, nws hais tias, tsuas muaj ob peb yam khoom siv uas tuaj yeem pom qhov txawv.

"Nrog rau cov neeg sim tshiab, tag nrho cov xiav thiab dawb txhais tau tias yog ntuj thiab yog tias nws yog lab loj hlob nws yuav pom liab," Yatooma piav qhia.

Hauv qab kab, yog tias koj xav paub seb hom pob zeb diamond koj muaj dab tsi, cov kws tshaj lij kev lag luam pom zoo kom kuaj nws.