General information
Model	Simple
Expert name	Makoed A.G.
Report date	07.07.2007
Real weight, ct
Calculated weight, ct	0.37, 0.3756
Appraiser title	GIA_PCTG_StarCul
Overall cut quality	G
Symmetry appraiser title	Internal
Overall symmetry quality	FR
Spread	0.03 ct, 8.38%
AGS Spread	0.03 ct, 8.08%
Measurements	4.777 (4.764-4.794) x 2.717 / 0.018 mm
Girdle to MIC	0.018 mm
Extra Facet / Nat	Yes (2)
Average values, mm
Diameter	4.777
Crown height	0.543
Pavilion depth	2.037
Total height	2.717
Table	3.060
Culet	0.025
Girdle Bezel	0.136
Girdle Bone	0.158
Girdle Valley	0.073

 

Parameter	Avg	Min	Max	Dev	Cut	Sym	1	2	3	4	5	6	7	8
Diameter, mm	4.777	4.764	4.794	0.62%	E	VG	4.783	4.772	4.775	4.775
Crown angle, °	32.24	31.05	32.55	1.50	Grading	VG	32.41	32.54	32.14	31.05	32.44	32.24	32.52	32.55
Pavilion angle, °	40.62	39.63	41.47	1.84	Grading	GD	40.33	40.29	39.63	40.12	40.71	41.36	41.47	41.04
Total height, %	56.88				V
Crown height, %	11.37	10.64	12.34	1.71	V	GD	12.34	12.14	11.54	10.84	10.64	10.64	11.16	11.64
Pavilion depth, %	42.64	41.67	43.72	2.05	N/A	GD	41.67	42.24	41.95	42.85	43.48	43.72	43.06	42.18
Table, %	64.05	63.84	64.15	0.31	Grading	EX	64.07	64.15	64.14	63.84
Culet, %	0.53	0.35	0.63	0.28	E	EX
Girdle Bezel, %	2.84	2.39	3.40	1.01	E	GD	2.87	2.39	3.40	3.19	2.72	2.47	2.60	3.06
Girdle Bone, %	3.30	2.94	3.80	0.86		VG	2.99	3.54	3.44	3.07	3.80	2.94	3.59	3.05
Girdle Valley, %	1.53	1.16	1.98	0.82	E	EX	1.43	1.16	1.38	1.98	1.96	1.76	1.68	1.35
							1.63	1.34	1.27	1.17	1.44	1.70	1.73	1.54
Star: Upper ratio, %	58.39:	54.01:	63.15:	9.14			54.65:	57.84:	60.63:	58.79:	63.15:	60.26:	57.78:	54.01:
	41.61	45.99	36.85				45.35	42.16	39.37	41.21	36.85	39.74	42.22	45.99
Star angle, °	18.79	17.63	19.85	2.21		VG	19.32	19.37	19.22	18.60	17.63	18.30	18.04	19.85
Upper girdle angle, °	39.91	38.83	41.11	2.28		VG	39.58	39.28	39.61	40.30	40.18	39.70	39.31	40.03
							40.83	38.83	41.11	40.21	40.92	39.53	39.39	39.82
Lower girdle angle / Halves angle, °	41.53	40.54	42.44	1.91		VG	41.08	41.11	41.06	40.54	40.61	40.95	41.30	41.52
							41.79	42.22	42.39	42.44	42.24	42.04	41.80	41.35
Twist, °	1.38	0.03	3.61	3.58		FR	0.04	0.73	0.54	2.00	3.61	0.88	0.03	3.19
Crown height, mm	0.543	0.508	0.590	0.082	V	GD	0.590	0.580	0.551	0.518	0.508	0.508	0.533	0.556
Pavilion depth, mm	2.037	1.990	2.088	0.098	N/A	GD	1.990	2.018	2.004	2.047	2.077	2.088	2.057	2.015
Table, mm	3.060	3.050	3.064	0.015	Grading	EX	3.061	3.064	3.064	3.050
Culet, mm	0.025	0.017	0.030	0.013	E	EX
Girdle Bezel, mm	0.136	0.114	0.162	0.048	E	GD	0.137	0.114	0.162	0.153	0.130	0.118	0.124	0.146
Girdle Bone, mm	0.158	0.140	0.181	0.041		VG	0.143	0.169	0.164	0.147	0.181	0.140	0.171	0.146
Girdle Valley, mm	0.073	0.055	0.095	0.039	E	EX	0.068	0.055	0.066	0.095	0.094	0.084	0.080	0.065
							0.078	0.064	0.060	0.056	0.069	0.081	0.083	0.074
Fish eye effect, °	3.36				N/A
Culet through Crown Bezel, °	25.30				N/A
Measurement as per OctoNus theory
Crown angle, °	32.24	31.80	32.42	0.62			32.42	32.39	32.33	31.80
Pavilion angle, °	40.62	40.52	40.82	0.31			40.52	40.82	40.55	40.58

Azimuths deviation from ideal, °	1	2	3	4	5	6	7	8
Pavilion	0.00	0.09	0.15	1.58	1.30	0.36	0.11	0.03
Lower girdle facets / Halves	-0.16	2.15	-1.28	0.91	1.13	1.88	1.93	1.72
	1.40	1.65	1.33	0.71	0.27	0.38	-0.13	-0.17
Crown	0.04	0.81	-0.38	-0.42	-2.31	1.24	0.08	3.22
Upper girdle facets	-1.33	2.29	-1.24	0.26	-1.41	0.73	-1.26	0.63
	-3.73	5.48	0.44	3.01	-0.25	5.07	1.50	0.48
Star facets	-0.96	-1.59	-0.22	-1.92	0.17	1.45	0.91	1.61

	Girdle center		Culet center		Table center

Offset
Girdle-Culet offset by table axis	1.52 ± 0.26, %	0.073 ± 0.012, mm
Girdle-Table offset by table axis	1.24 ± 0.23, %	0.059 ± 0.011, mm
Table-Culet offset by table axis	1.83 ± 0.27, %	0.087 ± 0.013, mm
Girdle to table-culet line offset	1.83, %	0.087, mm

Culet shift ratio by main diameter
Main diameter (avg)	4.777, 100%
Width-wise culet shift ratio	2.427 mm, 50.81 %	2.356 mm, 49.32 %
Lengh-wise culet shift ratio	2.341 mm, 49.00 %	2.434 mm, 50.94 %

Paint / Dug	Avg	Type	Sym	Max	Dev	Sym
Crown painting, °	-1.58	Painting	EX	-4.24	3.91	EX
Crown painting, notches	0.4, Small			1.1	1.0
Pavilion painting, °	-0.30		EX	-2.07	3.04	EX
Pavilion painting, notches	0.1, Negligible			0.6	0.8

Paint / Dug	1	2	3	4	5	6	7	8
Crown painting, °	-1.37	-1.48	-2.05	-0.65	-1.03	-1.14	-0.84	-2.94
	-1.42	-4.24	-0.80	-2.93	-0.33	-1.85	-1.72	-0.43
Crown painting, notches	0.4	0.4	0.5	0.2	0.3	0.3	0.2	0.8
	0.4	1.1	0.2	0.8	0.1	0.5	0.5	0.1
Pavilion painting, °	-0.16	-2.07	-1.37	-0.75	0.98	-0.30	0.35	-0.41
	0.10	-1.29	0.97	-0.60	0.16	-0.35	-0.16	0.17
Pavilion painting, notches	0.0	0.6	0.4	0.2	0.3	0.1	0.1	0.1
	0.0	0.3	0.3	0.2	0.0	0.1	0.0	0.0

 

Cut parameters description

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