DIAMOND ROUGH
Diamond Rough
MPCVD single-crystal rough, led by standard rectangular forms — the world's largest at equal quality.
STANDARD SIZES
Standard Sizes
Rectangular rough makes up 90% — three standard sizes in high volume; custom large sizes are the world's largest rough.
20×15×9.5mm
Standard
21×17×9.7mm
Standard
24×18×10mm
Standard
30×30×15mm
Custom
35×35×12mm
Custom · Largest
Polished targets:10 ct15 ct25 ctDemand exceeds supply; 10× expansion needed
SPECIFICATIONS
Specifications
Specifications · SPECIFICATIONS
| Parameter | Value |
|---|---|
| Growth method | MPCVD single-crystal growth |
| Main form | Rectangular (90%) |
| Standard size ① | 20 × 15 × 9.5 mm |
| Standard size ② | 21 × 17 × 9.7 mm |
| Standard size ③ | 24 × 18 × 10 mm |
| Custom sizes | 30×30×15 / 35×35×12 mm (world's largest) |
| Color | D/E |
| Clarity | VVS/VS |
| Polished target | 10 / 15 / 25 ct |
| Supply status | Demand exceeds supply; 10× expansion needed |
| Price | [To be confirmed]to be confirmed |
| MOQ | [To be confirmed]to be confirmed |
Source: /diamond ｜ data completeness % ｜ to be confirmed
APPLICATIONS
Applications
- Cutting & polishing houses
- Downstream jewelry brands
- Overseas diamond dealers
- International diamond trading centers
ROUGH GALLERY
Rough Gallery
Single-stone weighing, batch arrays, and processing measurements — real production records.
IGI CERTIFIED
IGI Grading Certificates
Every polished stone can be certified by IGI or other leading labs, with full traceability.
Weight
10.80 ct
Color
D
Clarity
VVS2
Cut
Step Cut
Fluorescence
None
Type
Type IIa
Report No.
LG756504660
Growth method
CVD