EX-VG hpht na-emeso ola diamond elu mgbali elu diamond okpomọkụ dị elu
Parameters nke elu mgbali elu okpomọkụ 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 elu mgbali elu diamond okpomọkụ
Agba
A na-eme ka agba agba diamond dị elu dị elu dị elu na-eleba anya n'ụzọ ziri ezi. Ndị ọkà mmụta gemologists na-enyocha agba na agba agba D ruo Z na diamond na-etinye n'elu ala, na-ele anya site n'akụkụ, iji kwado echiche na-anọpụ iche.
Ido anya
Ngosipụta akara ule nke diamond dị elu nrụgide dị elu dị ka ụkpụrụ mba ụwa nabatara na mmụba 10X, dịka ọhụhụ, nha, ọnụọgụ, ọnọdụ na ọdịdị nke ime na njiri elu dị na nkwalite ahụ.
Bee
A na-atụnyere ndị ọkà mmụta gemologists n'ozuzu oke, nha na akụkụ ihu na nyocha nke nchapụta, ọkụ, scintillation na ụkpụrụ iji chọpụta Cut Grade nke hpht mesoo diamond.
Ibu carat
Nkebi nke mbụ na nrụgide dị elu nke elu 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.
