Tau ntau pua xyoo, kev ua haujlwm ntawm jewelers tau muaj txiaj ntsig zoo thoob plaws ntiaj teb. Pob zeb diamond txiav yog qhov kawg ntawm lawv txoj haujlwm. Yuav luag txhua tus paub tias pob zeb diamond yog ib qho nyuaj tshaj plaws hauv peb lub ntiaj teb. Mined gemstones zoo li tsis xwm yeem nyob rau hauv cov duab, yog li lawv yuav tsum tau muab ib tug zoo saib nyob rau hauv thiaj li yuav tsim ib tug zoo heev daim ntawm cov hniav nyiaj hniav kub. Txiav pob zeb diamond yog ib qho nyuaj heev thiab ua haujlwm nyuaj. Thaum lub sij hawm nws, txhua yam superfluous raug tshem tawm ntawm lub pob zeb muaj nuj nqis, uas tso cai rau koj pom qhov zoo nkauj ntawm pob zeb diamond.
Ntau lub sijhawm dhau los, thaum thev naus laus zis tsis tso cai rau kev ua cov pob zeb nyuaj tshaj plaws, cov iav tsis muaj qhov zoo nkauj uas lawv tau txais tam sim no. Pob zeb diamond tsuas yog hauv av thiab polished, lawv tsis muaj cov npoo ntshiab, yog li lawv tsis ci nrog lawv cov kev zoo nkauj zoo nkauj. Nyob rau tib lub sij hawm, jewelers tau kawm muab lub pob zeb kom zoo zoo. Lawv pom tau hais tias kev sib txhuam ntawm ib lub pob zeb diamond tawm tsam lwm tus ua rau lub ntsej muag zoo nkauj, vim tias qhov ci ntsa iab nce ntau zaus. Ua ntej tshaj plaws, ntuj octahedral crystals tau ua tiav los ntawm kev sib tsoo ntawm tag nrho cov vertices rov qab mus txog thaum lub ntsej muag loj loj tau tsim. Kev txiav cov pob zeb thaum ub yog txawv, tab sis feem ntau ntawm tag nrho covNws yog octahedral crystals uas muaj nuj nqis.
Lub sijhawm dhau mus, kev ua cov pob zeb diamond tau dhau los ua qhov nyuaj. Jewellers sim tsim ib tug loj tus naj npawb ntawm facets, vim hais tias ntawm no, tus naj npawb ntawm refracted rays ntawm tshav ntuj nce, uas qhia tag nrho nws cov kev zoo nkauj. Lub ntuj pob zeb (nyob ntawm seb nws configuration) tau muab cov duab ntawm ib tug tej yam polyhedron nrog ib tug tsau orientation ntawm lub ntsej muag. Nws ntseeg tau hais tias nyob rau hauv cov teb chaws Europe thawj jeweler uas kawm yuav ua li cas los txiav cov pob zeb diamond zoo kawg nkaus yog Ludwig Van Berken. Nws yog nws uas nyob rau hauv 1475 txiav lub ntiaj teb nto moo Sancy pob zeb.
Pob zeb diamond txiav yog hu ua pob zeb diamond. Txawm tias muaj tseeb hais tias thaum lub sij hawm sib tsoo ua hauj lwm feem ntau ntawm lub ntuj pob zeb yog ploj, nws tus nqi tsuas yog nce. Yog lawm, yog hais tias lub jeweler ruins ib tug ntawm cov facets, tag nrho cov pob zeb diamond yuav poob nws tus nqi considerably. Thawj theem ntawm cov hniav nyiaj hniav kub ua cov pob zeb ntuj yog lawv cov sawing. Qhov zoo ntawm pob zeb diamond txiav feem ntau yog nyob ntawm tus qauv ntawm cov siv lead ua nws tus kheej. Tom qab pom lub pob zeb, tus jeweler pom txhua qhov zoo thiab qhov tsis zoo ntawm lub pob zeb diamond thiab txiav txim siab seb nws yuav ua li cas ntxiv. Cov txheej txheem no yog siv zog heev. Nws feem ntau yuav siv sij hawm hnub lossis hli (nyob ntawm seb qhov loj ntawm cov siv lead ua). Niaj hnub no, pob zeb diamond txiav yog ua los ntawm ultrasound, laser thiab hluav taws xob txiav.
Crystal tig yog txheej txheem tseem ceeb thaum lub sijhawm ua haujlwm tau muab qee yam duab. Qhov tsis xws luag ntawm pob zeb raug tshem tawm, thiab nwsnpaj rau kev txiav. Txoj haujlwm no yog ua los ntawm cov tshuab tshwj xeeb, tsim nyob rau thaum pib ntawm lub xyoo pua nees nkaum, tab sis niaj hnub no zoo heev. Kev txiav pob zeb diamond yog theem kawg ntawm kev ua haujlwm ntawm jeweler. Thaum lub sij hawm nws, lub pob zeb tau muab ib qho zoo nkauj zoo nkauj, tawg, gouges thiab lwm yam tsis xws luag raug tshem tawm. Cov jeweler ua tib zoo polishes lub pob zeb diamond, muab cov ntsej muag kom pom tseeb, thiab tom qab ntawd polishes lawv.
Txiav pob zeb diamond yog txheej txheem lub luag haujlwm, uas lawv tus nqi feem ntau nyob ntawm. Ntxiv nrog rau kev txawj ua haujlwm, tus jeweler yuav tsum muaj kev kos duab. Txiav yog nqa tawm siv lub cam khwb cia hlau disk, uas tig ceev heev. Pob zeb diamond hmoov ua ke nrog txiv ntseej lossis burdock roj yog rubbed rau hauv nws qhov chaw. Cov duab ntawm lub pob zeb yuav tsum yog xws li tias feem ntau ntawm lub teeb uas nkag mus rau nws tsis dhau mus, tab sis yog reflected rov qab los ntawm kev sib nrig sib lub ntsej muag.
Cov duab tseem ceeb ntawm pob zeb diamond: duab plaub (baguette), round / fantasy (oval, marquise, pear), duab plaub nrog txiav fab (emerald). Qhov tsis sib xws ntawm cov pob zeb zoo nkauj yog teem caij thaum tig, thiab qhov seem yog ua tiav thaum txiav.
