General information
Model	Simple
Expert name	Makoed A.G.
Report date	17.04.2008
Real weight, ct
Calculated weight, ct	0.75, 0.7555
Appraiser title	GIA_PCTG_StarCul
Overall cut quality	V
Symmetry appraiser title	Internal
Overall symmetry quality	EX
Spread	-0.01 ct, -1.02%
AGS Spread	N/A ct, N/A%
Measurements	5.852 (5.842-5.861) x 3.671 / 0.001 mm
Girdle to MIC	0.001 mm
Extra Facet / Nat	No
Average values, mm
Diameter	5.852
Crown height	0.860
Pavilion depth	2.649
Total height	3.671
Table	3.358
Culet	0.018
Girdle Bezel	0.162
Girdle Bone	0.164
Girdle Valley	0.068

 

Parameter	Avg	Min	Max	Dev	Cut	Sym	1	2	3	4	5	6	7	8
Diameter, mm	5.852	5.842	5.861	0.32%	E	EX	5.856	5.858	5.853	5.855
Crown angle, °	34.52	34.40	34.65	0.25	Grading	EX	34.65	34.61	34.43	34.40	34.42	34.49	34.53	34.60
Pavilion angle, °	42.22	42.06	42.34	0.28	Grading	EX	42.06	42.20	42.34	42.34	42.25	42.23	42.22	42.09
Total height, %	62.73				E
Crown height, %	14.70	14.52	14.91	0.38	E	EX	14.91	14.79	14.60	14.56	14.52	14.64	14.73	14.84
Pavilion depth, %	45.26	45.04	45.45	0.41	N/A	EX	45.04	45.26	45.40	45.45	45.37	45.29	45.21	45.06
Table, %	57.38	57.35	57.43	0.08	Grading	EX	57.38	57.43	57.35	57.35
Culet, %	0.31	0.22	0.38	0.16	E	EX
Girdle Bezel, %	2.76	2.68	2.83	0.15	E	EX	2.79	2.68	2.73	2.72	2.82	2.79	2.76	2.83
Girdle Bone, %	2.81	2.72	2.89	0.18		EX	2.77	2.79	2.78	2.89	2.87	2.72	2.83	2.82
Girdle Valley, %	1.17	1.04	1.28	0.25	E	EX	1.11	1.04	1.10	1.19	1.19	1.04	1.12	1.22
							1.28	1.27	1.26	1.12	1.18	1.09	1.22	1.23
Star: Upper ratio, %	55.37:	54.68:	55.92:	1.24			55.73:	54.68:	55.10:	55.68:	55.92:	55.16:	55.42:	55.30:
	44.63	45.32	44.08				44.27	45.32	44.90	44.32	44.08	44.84	44.58	44.70
Star angle, °	22.61	22.32	22.81	0.49		EX	22.81	22.63	22.32	22.55	22.65	22.44	22.65	22.80
Upper girdle angle, °	41.99	41.63	42.32	0.69		EX	42.04	42.32	41.82	41.63	41.88	41.87	42.08	41.99
							41.87	41.83	41.98	42.30	41.76	42.13	42.17	42.15
Lower girdle angle / Halves angle, °	43.32	43.12	43.46	0.34		EX	43.20	43.28	43.32	43.40	43.44	43.46	43.39	43.35
							43.32	43.32	43.34	43.39	43.31	43.29	43.12	43.12
Twist, °	0.47	0.10	1.07	0.98		EX	0.33	0.36	0.23	0.10	0.44	1.07	0.75	0.49
Crown height, mm	0.860	0.850	0.872	0.022	E	EX	0.872	0.866	0.854	0.852	0.850	0.857	0.862	0.868
Pavilion depth, mm	2.649	2.636	2.660	0.024	N/A	EX	2.636	2.648	2.657	2.660	2.655	2.651	2.646	2.637
Table, mm	3.358	3.356	3.361	0.005	Grading	EX	3.358	3.361	3.356	3.356
Culet, mm	0.018	0.013	0.022	0.009	E	EX
Girdle Bezel, mm	0.162	0.157	0.166	0.009	E	EX	0.163	0.157	0.160	0.159	0.165	0.163	0.161	0.166
Girdle Bone, mm	0.164	0.159	0.169	0.010		EX	0.162	0.163	0.163	0.169	0.168	0.159	0.166	0.165
Girdle Valley, mm	0.068	0.061	0.075	0.014	E	EX	0.065	0.061	0.064	0.070	0.070	0.061	0.066	0.071
							0.075	0.074	0.074	0.065	0.069	0.064	0.072	0.072
Fish eye effect, °	13.85				N/A
Culet through Crown Bezel, °	9.79				N/A
Measurement as per OctoNus theory
Crown angle, °	34.52	34.48	34.55	0.07			34.53	34.55	34.48	34.50
Pavilion angle, °	42.22	42.16	42.28	0.12			42.16	42.22	42.28	42.22

Azimuths deviation from ideal, °	1	2	3	4	5	6	7	8
Pavilion	0.00	0.52	0.21	0.21	0.09	-0.47	-0.18	-0.02
Lower girdle facets / Halves	0.14	0.27	0.25	0.50	0.24	0.43	0.15	0.24
	-0.09	-0.19	-0.15	-0.39	-0.13	-0.36	-0.12	0.11
Crown	0.33	0.16	-0.01	0.31	0.53	0.60	0.56	0.47
Upper girdle facets	-0.16	-0.09	-0.30	0.61	-0.07	0.64	0.43	0.57
	0.16	0.62	0.29	0.13	0.07	0.59	0.46	0.35
Star facets	0.48	0.18	0.19	0.44	0.68	0.93	0.95	0.73

	Girdle center		Culet center		Table center

Offset
Girdle-Culet offset by table axis	0.03 ± 0.22, %	0.002 ± 0.013, mm
Girdle-Table offset by table axis	0.19 ± 0.19, %	0.011 ± 0.011, mm
Table-Culet offset by table axis	0.16 ± 0.24, %	0.009 ± 0.014, mm
Girdle to table-culet line offset	0.16, %	0.009, mm

Culet shift ratio by main diameter
Main diameter (avg)	5.852, 100%
Width-wise culet shift ratio	2.928 mm, 50.03 %	2.929 mm, 50.05 %
Lengh-wise culet shift ratio	2.928 mm, 50.03 %	2.925 mm, 49.99 %

Paint / Dug	Avg	Type	Sym	Max	Dev	Sym
Crown painting, °	-0.16		EX	-0.62	1.06	EX
Crown painting, notches	0.0, Negligible			0.2	0.3
Pavilion painting, °	-0.02		EX	0.34	0.63	EX
Pavilion painting, notches	0.0, Negligible			0.1	0.2

Paint / Dug	1	2	3	4	5	6	7	8
Crown painting, °	-0.49	0.25	-0.47	-0.62	-0.06	-0.33	0.12	-0.04
	-0.37	-0.02	-0.31	0.44	-0.50	-0.12	-0.01	-0.02
Crown painting, notches	0.1	0.1	0.1	0.2	0.0	0.1	0.0	0.0
	0.1	0.0	0.1	0.1	0.1	0.0	0.0	0.0
Pavilion painting, °	0.14	0.25	-0.27	-0.29	0.03	-0.22	-0.05	-0.15
	-0.19	-0.28	0.33	0.21	0.06	0.34	-0.09	-0.11
Pavilion painting, notches	0.0	0.1	0.1	0.1	0.0	0.1	0.0	0.0
	0.0	0.1	0.1	0.1	0.0	0.1	0.0	0.0

 

Cut parameters description

Open 3D model of the scanned brilliant To open 3D model you need a free GemAdviser software Download GemAdviser