General information
Model	Simple
Expert name	Makoed A.G.
Report date	18.04.2008
Real weight, ct
Calculated weight, ct	0.73, 0.7291
Appraiser title	GIA_PCTG_StarCul
Overall cut quality	E
Symmetry appraiser title	Internal
Overall symmetry quality	VG
Spread	-0.02 ct, -2.96%
AGS Spread	N/A ct, N/A%
Measurements	5.763 (5.755-5.769) x 3.590 / 0.002 mm
Girdle to MIC	0.002 mm
Extra Facet / Nat	No
Average values, mm
Diameter	5.763
Crown height	0.907
Pavilion depth	2.511
Total height	3.590
Table	3.300
Culet	0.024
Girdle Bezel	0.171
Girdle Bone	0.171
Girdle Valley	0.071

 

Parameter	Avg	Min	Max	Dev	Cut	Sym	1	2	3	4	5	6	7	8
Diameter, mm	5.763	5.755	5.769	0.24%	E	EX	5.765	5.763	5.763	5.765
Crown angle, °	36.32	36.27	36.40	0.13	Grading	EX	36.29	36.33	36.34	36.31	36.33	36.27	36.40	36.28
Pavilion angle, °	41.18	41.11	41.26	0.15	Grading	EX	41.15	41.19	41.26	41.18	41.21	41.23	41.13	41.11
Total height, %	62.29				E
Crown height, %	15.74	15.62	15.80	0.18	E	EX	15.62	15.67	15.74	15.76	15.79	15.77	15.78	15.80
Pavilion depth, %	43.58	43.44	43.70	0.25	N/A	EX	43.68	43.70	43.65	43.44	43.48	43.61	43.52	43.55
Table, %	57.26	57.18	57.34	0.17	Grading	EX	57.34	57.24	57.27	57.18
Culet, %	0.41	0.37	0.44	0.07	E	EX
Girdle Bezel, %	2.96	2.89	3.09	0.20	E	EX	2.99	2.91	2.91	3.09	3.00	2.89	2.96	2.95
Girdle Bone, %	2.97	2.85	3.27	0.42		EX	3.03	2.99	3.27	2.94	2.85	2.91	2.89	2.85
Girdle Valley, %	1.23	1.09	1.46	0.36	E	EX	1.22	1.18	1.24	1.24	1.38	1.46	1.27	1.26
							1.23	1.09	1.24	1.23	1.23	1.14	1.17	1.16
Star: Upper ratio, %	54.74:	54.38:	55.16:	0.78			54.44:	54.89:	54.92:	54.78:	55.16:	54.38:	54.41:	54.92:
	45.26	45.62	44.84				45.56	45.11	45.08	45.22	44.84	45.62	45.59	45.08
Star angle, °	24.02	23.86	24.12	0.26		EX	23.86	24.08	24.10	24.03	24.00	23.98	24.12	24.00
Upper girdle angle, °	43.82	43.35	44.42	1.07		VG	43.45	43.65	43.98	44.16	43.35	43.39	44.14	44.42
							43.81	44.17	43.62	43.59	43.56	43.93	43.76	44.14
Lower girdle angle / Halves angle, °	42.29	42.18	42.37	0.20		EX	42.26	42.31	42.33	42.37	42.34	42.31	42.33	42.35
							42.33	42.37	42.34	42.25	42.18	42.20	42.19	42.24
Twist, °	0.36	0.09	0.73	0.63		EX	0.38	0.73	0.30	0.35	0.09	0.46	0.25	0.34
Crown height, mm	0.907	0.900	0.911	0.010	E	EX	0.900	0.903	0.907	0.908	0.910	0.909	0.910	0.911
Pavilion depth, mm	2.511	2.504	2.518	0.015	N/A	EX	2.517	2.518	2.515	2.504	2.506	2.513	2.508	2.510
Table, mm	3.300	3.295	3.305	0.010	Grading	EX	3.305	3.299	3.300	3.295
Culet, mm	0.024	0.021	0.025	0.004	E	EX
Girdle Bezel, mm	0.171	0.166	0.178	0.012	E	EX	0.173	0.168	0.167	0.178	0.173	0.166	0.170	0.170
Girdle Bone, mm	0.171	0.164	0.188	0.024		EX	0.175	0.172	0.188	0.169	0.164	0.168	0.167	0.164
Girdle Valley, mm	0.071	0.063	0.084	0.021	E	EX	0.070	0.068	0.071	0.072	0.080	0.084	0.073	0.072
							0.071	0.063	0.071	0.071	0.071	0.066	0.067	0.067
Fish eye effect, °	9.55				N/A
Culet through Crown Bezel, °	7.06				N/A
Measurement as per OctoNus theory
Crown angle, °	36.32	36.29	36.37	0.07			36.31	36.30	36.37	36.29
Pavilion angle, °	41.18	41.15	41.21	0.06			41.18	41.21	41.19	41.15

Azimuths deviation from ideal, °	1	2	3	4	5	6	7	8
Pavilion	0.00	-0.13	-0.05	-0.05	0.04	-0.08	0.09	0.01
Lower girdle facets / Halves	0.08	-0.10	0.17	0.13	0.02	-0.36	0.10	-0.44
	0.13	-0.04	0.33	-0.15	0.04	-0.27	-0.16	0.08
Crown	0.38	0.60	0.25	0.29	0.13	0.38	0.34	0.35
Upper girdle facets	-0.33	0.79	0.67	0.29	-0.22	0.96	0.65	-0.66
	-0.22	0.06	0.10	0.77	-0.03	0.04	-0.12	-0.32
Star facets	1.43	1.02	0.78	0.24	0.61	0.56	1.02	0.62

	Girdle center		Culet center		Table center

Offset
Girdle-Culet offset by table axis	0.20 ± 0.22, %	0.012 ± 0.013, mm
Girdle-Table offset by table axis	0.11 ± 0.20, %	0.006 ± 0.011, mm
Table-Culet offset by table axis	0.19 ± 0.24, %	0.011 ± 0.014, mm
Girdle to table-culet line offset	0.19, %	0.011, mm

Culet shift ratio by main diameter
Main diameter (avg)	5.763, 100%
Width-wise culet shift ratio	2.875 mm, 49.89 %	2.890 mm, 50.14 %
Lengh-wise culet shift ratio	2.884 mm, 50.05 %	2.879 mm, 49.95 %

Paint / Dug	Avg	Type	Sym	Max	Dev	Sym
Crown painting, °	-0.09		EX	0.79	1.49	EX
Crown painting, notches	0.0, Negligible			0.2	0.4
Pavilion painting, °	0.12		EX	0.48	0.65	EX
Pavilion painting, notches	0.0, Negligible			0.1	0.2

Paint / Dug	1	2	3	4	5	6	7	8
Crown painting, °	-0.70	-0.19	0.07	-0.04	-0.47	-0.66	0.36	0.79
	-0.35	0.32	-0.28	-0.43	-0.37	0.31	-0.47	0.70
Crown painting, notches	0.2	0.1	0.0	0.0	0.1	0.2	0.1	0.2
	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.2
Pavilion painting, °	0.08	-0.03	0.30	-0.17	0.07	0.30	0.15	0.48
	0.09	-0.04	0.42	0.25	-0.05	0.27	-0.17	-0.08
Pavilion painting, notches	0.0	0.0	0.1	0.0	0.0	0.1	0.0	0.1
	0.0	0.0	0.1	0.1	0.0	0.1	0.0	0.0

 

Cut parameters description

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