DEF Launi CVD lab da aka shuka lu'u-lu'u na siyarwa
CVD Lab girma lu'u-lu'u Girman
Carat shine naúrar nauyin lu'u-lu'u.Carat sau da yawa yana rikicewa da girman ko da yake ainihin ma'auni ne na nauyi.1 carat daidai 200 milligrams ko 0.2 grams.Ma'aunin da ke ƙasa yana kwatanta alaƙar girman alakar da ke tsakanin lu'u-lu'u na haɓaka ma'aunin carat.Ka tuna cewa yayin da ma'aunin da ke ƙasa ya zama na yau da kullun, kowane dakin binciken CVD da aka girma na lu'u-lu'u na musamman ne.
Launi: DEF
Launi shine launi na halitta wanda ake iya gani a cikin dakin bincike na CVD wanda ya girma lu'u-lu'u kuma baya canzawa akan lokaci.Lu'ulu'u masu girma na CVD mara launi suna ba da damar ƙarin haske don wucewa fiye da lu'u-lu'u mai launi, yana sakin ƙarin walƙiya da wuta.Yin aiki azaman prism, lu'u-lu'u yana raba haske zuwa nau'ikan launuka kuma yana nuna wannan hasken azaman walƙiya masu launi da ake kira wuta.
Saukewa: VVS-VS
Bayyanar bayanan lu'u-lu'u na CVD yana nufin kasancewar ƙazanta a ciki da cikin dutsen.Lokacin da aka fitar da dutse mai ƙaƙƙarfan ƙaƙƙarfan carbon a ƙarƙashin ƙasa, ƙananan alamun abubuwan halitta kusan koyaushe suna kama su a ciki kuma ana kiran su haɗawa.
Yanke: KYAU
Yanke yana nufin kusurwoyi da ma'auni na lu'u-lu'u.Yanke lu'u-lu'u - siffarsa da ƙarewarsa, zurfinsa da faɗinsa, daidaitattun fuskoki - yana ƙayyade kyawunsa.Ƙwarewar da aka yanke lu'u-lu'u yana ƙayyade yadda yake nunawa da kuma kawar da haske.
CVD Lab girma lu'u-lu'u Siga
| Code # | Daraja | Nauyin Carat | Tsaratarwa | Girman |
| 04A | A | 0.2-0.4ct | Farashin VVS | 3.0-4.0mm |
| 06 A | A | 0.4-0.6ct | Farashin VVS | 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 |
| 10 A | A | 0.8-1.0ct | VVS-SI1 | 4.5-5.5 mm |
| 10B | B | 0.8-1.0ct | SI1-SI2 | 4.5-5.5 mm |
| 10C | C | 0.8-1.0ct | SI2-I1 | 4.5-5.5 mm |
| 10D | D | 0.8-1.0ct | I1-I3 | 4.5-5.5 mm |
| 15 A | 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 |
| 20 A | 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 |
| 25 A | A | 2.0-2.5ct | VVS-SI1 | 6.5-7.5 mm |
| 25B | B | 2.0-2.5ct | SI1-SI2 | 6.5-7.5 mm |
| 25C | C | 2.0-2.5ct | SI2-I1 | 6.5-7.5 mm |
| 25D | D | 2.0-2.5ct | I1-I3 | 6.5-7.5 mm |
| 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 | 8.5-10 mm |
| 60B | B | 5.0-6.0ct | SI1-SI2 | 8.5-10 mm |
| 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 | 9.0-11 mm |
| 80B | B | 7.0-8.0ct | SI1-SI2 | 9.0-11 mm |
| 80+A | A | 8.0ct + | VVS-SI1 | 9mm+ ku |
| 80+B | B | 8.0ct + | SI1-SI2 | 9mm+ ku |
