Cultivated diamonds (rough)
Lab grown diamond series refers to 0.1-30 carat lab grown rough diamond production,design and R&D of polished diamond and jewelry,inlay processing,etc.
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Introduction
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Lab grown diamond series refers to 0.1-30 carat lab grown rough diamond production,design and R&D of polished diamond and jewelry,inlay processing,etc.
LLB Rough Grit
Gradel/Carats 1-1.5
1.5-2
2-3
3-4
4-5
5-6
6-7
7-8
8-10
10-12
12-15
15-20
20-25
A+
★
★
★
★
★
★
★
★
★
★
★
★
A
★
★
★
★
★
★
★
★
★
★
★
★
★
A-
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
C
★
★
★
★
★
LLM Rough Crit
Grade/Carats
0.2-0.5
0.5-0.7
0.7-1.0
1.0-1.5
A
★
★
★
★
A-
★
★
★
★
B
★
★
★
C
★
LLS Rough Grit
Grade/mm
1.0-2.0
2.0-2.5
2.5-3.0
3.0-4.0
4.0-4.5
A
★
★
★
★
★
B
★
★
★
★
C
★
★
★
★
Application
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Inquiry
SAF Coolest v1.3 设置面板 FZTSX-ZGYF-OVAFE-ZFF
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