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4 carat lab cog pob zeb diamond 3 carat 2 carat 1 carat cvd pob zeb diamond nqe

4 carat lab cog pob zeb diamond 3 carat 2 carat 1 carat cvd pob zeb diamond nqe

Lus piav qhia luv luv:

CVD (Chemical Vapor Deposition) pob zeb diamond yog cov khoom siv pob zeb hluavtaws uas tsim los ntawm cov txheej txheem tshuaj lom neeg ntawm cov roj thiab qhov chaw ntawm lub substrate nyob rau hauv qhov kub thiab txias.CVD pob zeb diamond yog siv nyob rau hauv ntau yam kev siv xws li cov cuab yeej txiav, hnav-resistant coatings, electronics, siv cov ntaub ntawv thiab biomedical implants.Ib qho txiaj ntsig ntawm CVD pob zeb diamond yog cov duab thiab qhov ntau thiab tsawg tuaj yeem tsim nyob rau hauv cov ntim siab, ua rau nws muaj ntau yam khoom siv thoob plaws ntau yam kev lag luam.Tsis tas li ntawd, CVD pob zeb diamond muaj cov thermal conductivity, hardness thiab durability, ua rau nws yog ib qho khoom siv zoo tshaj plaws rau kev ua haujlwm siab.Txawm li cas los xij, ib qho tsis zoo ntawm CVD pob zeb diamond yog tias nws tseem kim dua piv rau cov pob zeb diamond thiab lwm yam ntaub ntawv, uas tuaj yeem txwv tsis pub siv dav.


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Lab Loj Loj Pob Zeb Diamond Loj

Lub carat yog qhov hnyav ntawm lub pob zeb diamond.Carat feem ntau tsis meej pem nrog qhov loj me txawm tias nws yog qhov ntsuas qhov hnyav.Ib carat sib npaug 200 milligrams lossis 0.2 grams.Cov nplai hauv qab no qhia txog qhov kev sib raug zoo ntawm cov pob zeb diamond ntawm qhov hnyav carat.Nco ntsoov tias thaum qhov ntsuas hauv qab no yog qhov qub, txhua lub pob zeb diamond yog qhov tshwj xeeb.

Lab-grown diamonds ua raws li tib 4Cs (txiav, xim, clarity thiab carat hnyav) muab qhab nia raws li ntuj pob zeb diamond.Hauv qab no yog cov ntsiab lus luv luv ntawm txhua pawg: 1. Txiav: Hais txog qhov tseeb thiab qhov zoo ntawm lub pob zeb diamond txiav, nrog rau nws cov proportions, symmetry thiab polish.Lub pob zeb diamond zoo txiav pom lub teeb zoo nkauj, ntxiv rau nws qhov ci ntsa iab.2. Xim: Hais txog qhov saturation ntawm pob zeb diamond xim, uas tuaj yeem muaj xim tsis muaj xim mus rau daj, xim av, lossis txawm liab, xiav, lossis ntsuab.Qhov xim tsawg dua lub pob zeb diamond muaj, qhov tseem ceeb dua nws.3. Clarity: Hais txog qhov muaj los yog tsis muaj tej yam ntuj tso inclusions los yog blemishes nyob rau hauv lub pob zeb diamond.Pob zeb diamonds uas muaj ntau dua clarity muaj tsawg inclusions thiab yog li suav hais tias muaj nuj nqis dua.4. Carat hnyav: hais txog qhov hnyav ntawm pob zeb diamond, 1 carat yog sib npaug rau 0.2 grams.Qhov hnyav carat ntau dua, qhov muaj txiaj ntsig ntau dua lub pob zeb diamond.Txawm li cas los xij, nws yuav tsum tau muab sau tseg tias cov pob zeb loj loj tuaj yeem muaj cov khoom sib txawv me ntsis thiab cov kab sib txawv piv rau cov pob zeb diamond ntuj, uas yuav cuam tshuam li cas lawv tau qhab nia.Lub koom haum International Gemological (IGI) thiab Gemological Institute of America (GIA) kuj muab cov ntaub ntawv qhia qhab nia rau cov pob zeb loj loj.

cvd_lab_grown_diamonds (1)

Lab Loj Pob Zeb Diamond Xim: DEF

Xim yog cov xim ntuj pom hauv pob zeb diamond thiab tsis hloov lub sijhawm.Cov pob zeb tsis muaj xim tso cai rau lub teeb hla ntau dua li pob zeb diamond xim, tso tawm ntau lub ci ntsa iab thiab hluav taws.Ua raws li lub prism, lub pob zeb diamond faib lub teeb rau hauv ib lub spectrum ntawm cov xim thiab qhia txog lub teeb no raws li cov yeeb yuj flashes hu ua hluav taws.

cvd_lab_grown_diamonds (2)

Lab Grown Pob Zeb Diamond Clarity: VVS-VS

Lub pob zeb diamond qhov tseeb hais txog qhov muaj impurities ntawm thiab hauv pob zeb.Thaum lub pob zeb ntxhib tau muab rho tawm los ntawm cov pa roj carbon sib sib zog nqus hauv qab lub ntiaj teb, cov kab me me ntawm cov ntsiab lus ntuj yuav luag ib txwm nyob rau hauv thiab hu ua inclusions.

cvd_lab_grown_diamonds (3)

Lab Grown Pob Zeb Diamond Txiav: EXCELLENT

Kev txiav yog hais txog lub kaum sab xis thiab qhov sib npaug ntawm lub pob zeb diamond.Kev txiav ntawm pob zeb diamond - nws daim ntawv thiab tiav, nws qhov tob thiab dav, qhov sib xws ntawm lub ntsej muag - txiav txim siab nws txoj kev zoo nkauj.Cov txuj ci uas lub pob zeb diamond txiav txiav txim siab seb nws zoo li cas thiab cuam tshuam lub teeb.

cvd_lab_grown_diamonds (4)

Lab Loj Pob Zeb Diamond Specs

Code # Qib Carat Nyhav Qhov tseeb Loj
04 A A 0.2-0.4 hli VVVVVV VS 3.0-4.0 hli
06a ib A 0.4-0.6 hli VVVVVV VS 4.0-4.5 hli
08 A A 0.6-0.8 hli VVS-SI 1 4.0-5.0 hli
08b ua B 0.6-0.8 hli SI1-SI2 4.0-5.0 hli
08c ua C 0.6-0.8 hli SI2-I1 4.0-5.0 hli
08d ib D 0.6-0.8 hli I1-I3 4.0-5.0 hli
10 A A 0.8-1.0 hli VVS-SI 1 4.5-5.5 hli
10B B 0.8-1.0 hli SI1-SI2 4.5-5.5 hli
10 C C 0.8-1.0 hli SI2-I1 4.5-5.5 hli
10D D 0.8-1.0 hli I1-I3 4.5-5.5 hli
15 A A 1.0-1.5 ct VVS-SI 1 5.0-6.0 hli
15B B 1.0-1.5 ct SI1-SI2 5.0-6.0 hli
15 C C 1.0-1.5 ct SI2-I1 5.0-6.0 hli
15D D 1.0-1.5 ct I1-I3 5.0-6.0 hli
20 A A 1.5-2.0 hli VVS-SI 1 5.5-6.5 hli
20B B 1.5-2.0 hli SI1-SI2 5.5-6.5 hli
20 C C 1.5-2.0 hli SI2-I1 5.5-6.5 hli
20D D 1.5-2.0 hli I1-I3 5.5-6.5 hli
25 A A 2.0-2.5 ct VVS-SI 1 6.5-7.5 hli
25B B 2.0-2.5 ct SI1-SI2 6.5-7.5 hli
25C ua C 2.0-2.5 ct SI2-I1 6.5-7.5 hli
25D ib D 2.0-2.5 ct I1-I3 6.5-7.5 hli
30 A A 2.5-3.0 hli VVS-SI 1 7.0-8.0 hli
30B B 2.5-3.0 hli SI1-SI2 7.0-8.0 hli
30 C C 2.5-3.0 hli SI2-I1 7.0-8.0 hli
30D D 2.5-3.0 hli I1-I3 7.0-8.0 hli
35 A A 3.0-3.5 hli VVS-SI 1 7.0-8.5 hli
35B B 3.0-3.5 hli SI1-SI2 7.0-8.5 hli
35C ua C 3.0-3.5 hli SI2-I1 7.0-8.5 hli
35D ib D 3.0-3.5 hli I1-I3 7.0-8.5 hli
40 A A 3.5-4.0 hli VVS-SI 1 8.5-9.0 hli
40B B 3.5-4.0 hli SI1-SI2 8.5-9.0 hli
40C ua C 3.5-4.0 hli SI2-I1 8.5-9.0 hli
40D ib D 3.5-4.0 hli I1-I3 8.5-9.0 hli
50 A A 4.0-5.0 ct VVS-SI 1 7.5-9.5 hli
50B B 4.0-5.0 ct SI1-SI2 7.5-9.5 hli
60 A A 5.0-6.0 hli VVS-SI 1 8.5-10 hli
60B B 5.0-6.0 hli SI1-SI2 8.5-10 hli
70 A A 6.0-7.0 hli VVS-SI 1 9.0-10.5 hli
70 B ib B 6.0-7.0 hli SI1-SI2 9.0-10.5 hli
80 A A 7.0-8.0 hli VVS-SI 1 9.0-11 hli
80B B 7.0-8.0 hli SI1-SI2 9.0-11 hli
80 + A A 8.0ct + VVS-SI 1 9mm +
80+B B 8.0ct + SI1-SI2 9mm +

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