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4 carat lab ulu daimana 3 carat 2 carat 1 carat cvd daimana kumu kūʻai

4 carat lab ulu daimana 3 carat 2 carat 1 carat cvd daimana kumu kūʻai

ʻO ka wehewehe pōkole:

ʻO ke daimana CVD (Chemical Vapor Deposition) he mea daimana synthetic i hana ʻia e kahi kaʻina hana hoʻoheheʻe kemika ma waena o ke kinoea a me ka ʻili o kahi substrate ma lalo o ka wela kiʻekiʻe a me ke kaomi.Hoʻohana ʻia ka daimana CVD i nā ʻano noi like ʻole me ka ʻoki ʻana i nā mea hana, nā lole pale pale, nā uila, nā mea hana a me nā implants biomedical.ʻO kekahi pono o ke daimana CVD ʻo ia ka hiki ke hana ʻia nā ʻano paʻakikī a me nā nui i nā puke kiʻekiʻe, e lilo ia i mea maʻalahi ma waena o nā ʻano ʻoihana like ʻole.Eia kekahi, ʻo ke daimana CVD he kiʻekiʻe ka thermal conductivity, ka paʻakikī a me ka lōʻihi, e lilo ia i mea kūpono no nā noi kiʻekiʻe.Eia nō naʻe, ʻo kahi hemahema o ke daimana CVD ʻo ia ke kumukūʻai ma mua o ke daimana maoli a me nā mea ʻē aʻe, hiki ke kaupalena ʻia kona hoʻohana ākea ʻana.


Huahana Huahana

Huahana Huahana

Laki daimana i ulu ai o Lab

ʻO ka carat ka ʻāpana o ke kaumaha o ke daimana.Hoʻopili pinepine ʻia ka Carat me ka nui ʻoiai ʻo ia ke ana o ke kaumaha.Hoʻokahi carat e like me 200 milligrams a i ʻole 0.2 grams.Hōʻike ka unahi ma lalo nei i ka pilina nui maʻamau ma waena o nā daimana o ka piʻi ʻana o ke kaupaona carat.E hoʻomanaʻo ʻoiai he maʻamau nā ana ma lalo nei, ʻokoʻa kēlā me kēia daimana.

ʻO nā daimana i ulu ʻia e Lab-grown e hahai ana i nā ʻōnaehana helu 4C like (ʻoki, kala, māmā a me ke kaumaha carat) e like me nā daimana maoli.Aia ma lalo iho kahi ʻike pōkole o kēlā me kēia ʻāpana: 1. ʻOki: E pili ana i ka pololei a me ka maikaʻi o kahi ʻoki daimana, me kona ʻāpana, symmetry a me ka poli.ʻO ke daimana i ʻoki maikaʻi ʻia e hōʻike i ka mālamalama nani, e hoʻohui ana i kona ʻōlinolino.2. Ka waihoʻoluʻu: E pili ana i ka saturation o ka waihoʻoluʻu daimana, hiki ke ʻokoʻa mai ka kala ʻole i ka melemele, ʻeleʻele, a i ʻole ʻulaʻula, uliuli, a ʻōmaʻomaʻo paha.ʻO ka liʻiliʻi o ke kala i loaʻa i ke daimana, ʻoi aku ka waiwai.3. Mākaʻikaʻi: E pili ana i ke alo a i ʻole ka ʻole o nā mea kūlohelohe a i ʻole nā ​​kīnā i loko o ke daimana.ʻO nā daimana me ka mālamalama kiʻekiʻe he liʻiliʻi nā inclusions a no laila ua manaʻo ʻia ʻoi aku ka waiwai.4. Karata kaumaha: pili i ke kaumaha o ke daimana, 1 carat ua like ia me 0.2 grams.ʻO ka nui o ke kaumaha carat, ʻoi aku ka waiwai o ke daimana.Eia nō naʻe, pono e hoʻomaopopo ʻia he ʻokoʻa iki nā ʻano o nā daimana i ulu ʻia e lab-grown a me nā trace element i hoʻohālikelike ʻia me nā daimana maoli, e pili ana i ke ʻano o ka helu ʻana.Hāʻawi pū ka International Gemological Institute (IGI) a me ka Gemological Institute of America (GIA) i nā hōʻike helu no nā daimana ulu.

cvd_lab_grown_diamonds (1)

ʻO ke kala daimana i ulu ʻia e Lab: DEF

ʻO ke kala ke kala maoli i ʻike ʻia i loko o kahi daimana a ʻaʻole loli i ka wā.Hiki i nā daimana kala ʻole ke hele aku i ka māmā ma mua o ke daimana kala, e hoʻokuʻu ana i ka ʻālohilohi a me ke ahi.Ma ke ʻano he prisma, hoʻokaʻawale ke daimana i ka mālamalama i loko o kahi kikoʻī o nā waihoʻoluʻu a hōʻike i kēia kukui e like me nā uila ʻulaʻula i kapa ʻia he ahi.

cvd_lab_grown_diamonds (2)

ʻO Lab Grown Diamond Clarity: VVS-VS

ʻO ka mālamalama o ke daimana e pili ana i ka loaʻa ʻana o nā haumia ma luna a ma loko o ka pōhaku.Ke unuhi ʻia kahi pōhaku ʻōkole mai loko mai o ke kalapona ma lalo o ka honua, ʻaneʻane paʻa mau ʻia nā wahi liʻiliʻi o nā mea kūlohelohe i loko a ua kapa ʻia ʻo ia he inclusions.

cvd_lab_grown_diamonds (3)

Lab Grown Diamond Cut: NUI

ʻO ka ʻoki e pili ana i nā kihi a me nā ʻāpana o kahi daimana.ʻO ka ʻoki ʻana o kahi daimana - kona ʻano a me kona hoʻopau ʻana, kona hohonu a me ka laulā, ka like o nā ʻaoʻao - e hoʻoholo i kona nani.ʻO ke akamai o ka ʻoki ʻia ʻana o ke daimana e hoʻoholo ai i ka maikaʻi o ka ʻike ʻana a me ka pale ʻana i ka mālamalama.

cvd_lab_grown_diamonds (4)

ʻO Lab Grown Diamond Specs

Code # Papa Kaumaha Karata Maopopo Nui
04A A 0.2-0.4ct VVS VS 3.0-4.0mm
06A A 0.4-0.6ct VVS VS 4.0-4.5mm
08A A 0.6-0.8ct VVS-SI1 4.0-5.0mm
08B B 0.6-0.8ct SI1-SI2 4.0-5.0mm
08C C 0.6-0.8ct SI2-I1 4.0-5.0mm
08D D 0.6-0.8ct I1-I3 4.0-5.0mm
10A A 0.8-1.0ct VVS-SI1 4.5-5.5mm
10B B 0.8-1.0ct SI1-SI2 4.5-5.5mm
10C C 0.8-1.0ct SI2-I1 4.5-5.5mm
10D D 0.8-1.0ct I1-I3 4.5-5.5mm
15A A 1.0-1.5ct VVS-SI1 5.0-6.0mm
15B B 1.0-1.5ct SI1-SI2 5.0-6.0mm
15C C 1.0-1.5ct SI2-I1 5.0-6.0mm
15D D 1.0-1.5ct I1-I3 5.0-6.0mm
20A A 1.5-2.0ct VVS-SI1 5.5-6.5mm
20B B 1.5-2.0ct SI1-SI2 5.5-6.5mm
20C C 1.5-2.0ct SI2-I1 5.5-6.5mm
20D D 1.5-2.0ct I1-I3 5.5-6.5mm
25A A 2.0-2.5ct VVS-SI1 6.5-7.5mm
25B B 2.0-2.5ct SI1-SI2 6.5-7.5mm
25C C 2.0-2.5ct SI2-I1 6.5-7.5mm
25D D 2.0-2.5ct I1-I3 6.5-7.5mm
30A A 2.5-3.0ct VVS-SI1 7.0-8.0mm
30B B 2.5-3.0ct SI1-SI2 7.0-8.0mm
30C C 2.5-3.0ct SI2-I1 7.0-8.0mm
30D D 2.5-3.0ct I1-I3 7.0-8.0mm
35A A 3.0-3.5ct VVS-SI1 7.0-8.5mm
35B B 3.0-3.5ct SI1-SI2 7.0-8.5mm
35C C 3.0-3.5ct SI2-I1 7.0-8.5mm
35D D 3.0-3.5ct I1-I3 7.0-8.5mm
40A A 3.5-4.0ct VVS-SI1 8.5-9.0mm
40B B 3.5-4.0ct SI1-SI2 8.5-9.0mm
40C C 3.5-4.0ct SI2-I1 8.5-9.0mm
40D D 3.5-4.0ct I1-I3 8.5-9.0mm
50A A 4.0-5.0ct VVS-SI1 7.5-9.5mm
50B B 4.0-5.0ct SI1-SI2 7.5-9.5mm
60A A 5.0-6.0ct VVS-SI1 8.5-10mm
60B B 5.0-6.0ct SI1-SI2 8.5-10mm
70A A 6.0-7.0ct VVS-SI1 9.0-10.5mm
70B B 6.0-7.0ct SI1-SI2 9.0-10.5mm
80A A 7.0-8.0ct VVS-SI1 9.0-11mm
80B B 7.0-8.0ct SI1-SI2 9.0-11mm
80+A A 8.0ct + VVS-SI1 9mm+
80+B B 8.0ct + SI1-SI2 9mm+

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