Zụrụ ola diamond hpht n'ịntanetị lab toro ola diamond 1 carat 2 carat 3 carat
Oke nke hpht lab toro diamond
Koodu # | Ọkwa | Ibu Carat | Ido anya | Nha |
04A | A | 0.2-0.4ct | VVS VS | 3.0-4.0mm |
06A | A | 0.4-0.6 ct | 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 | 4.5-5.5 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 |
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+ |
4C Standard nke lab toro diamond
Agba
A na-edobe agba diamond toro ụlọ nyocha na gburugburu ebe nlele ahaziri.
Ido anya
Ngosipụta akara ule dị ka ụkpụrụ mba ụwa nabatara na mmụba 10X, dịka visibiliti, nha, ọnụọgụ, ọnọdụ na ọdịdị nke njirimara ime na elu na mmụba ahụ.
Bee
Gemologists n'ozuzu oke, nha na facet akụkụ na-atụnyere ọmụmụ nke nchapụta, ọkụ, scintillation na ụkpụrụ iji chọpụta Cut Grade.
Ibu carat
Nkebi nke mbụ n'ime ụlọ nyocha toro diamond grading na-atụ diamond.Arọ carat bụ ọkọlọtọ ọkọlọtọ maka nkume nkume.Ntụle diamond bụ ebe ọnụọgụ abụọ abụọ iji hụ na izi ezi.
Dee ozi gị ebe a ziga anyị ya