General information
Model	Simple
Expert name	Makoed A.G.
Report date	10.03.2008
Real weight, ct
Calculated weight, ct	0.73, 0.7370
Appraiser title	GIA_PCTG_StarCul
Overall cut quality	E
Symmetry appraiser title	Internal
Overall symmetry quality	VG
Spread	0.01 ct, 1.11%
AGS Spread	N/A ct, N/A%
Measurements	5.841 (5.835-5.845) x 3.551 / 0.001 mm
Girdle to MIC	0.001 mm
Extra Facet / Nat	No
Average values, mm
Diameter	5.841
Crown height	0.842
Pavilion depth	2.529
Total height	3.551
Table	3.352
Culet	0.023
Girdle Bezel	0.180
Girdle Bone	0.180
Girdle Valley	0.085

 

Parameter	Avg	Min	Max	Dev	Cut	Sym	1	2	3	4	5	6	7	8
Diameter, mm	5.841	5.835	5.845	0.16%	E	EX	5.842	5.841	5.842	5.842
Crown angle, °	34.03	33.89	34.18	0.29	Grading	EX	34.18	34.07	33.89	33.98	33.96	33.99	34.06	34.09
Pavilion angle, °	40.98	40.79	41.12	0.33	Grading	EX	40.79	40.93	41.12	41.06	41.11	40.99	40.94	40.92
Total height, %	60.80				E
Crown height, %	14.42	14.32	14.53	0.21	E	EX	14.53	14.52	14.36	14.32	14.35	14.33	14.44	14.51
Pavilion depth, %	43.30	43.09	43.43	0.34	N/A	EX	43.09	43.26	43.43	43.32	43.43	43.26	43.29	43.29
Table, %	57.38	57.35	57.41	0.06	Grading	EX	57.40	57.37	57.35	57.41
Culet, %	0.39	0.36	0.41	0.05	E	EX
Girdle Bezel, %	3.07	2.95	3.21	0.26	E	EX	3.21	3.02	3.00	3.16	3.00	3.20	3.07	2.95
Girdle Bone, %	3.09	3.02	3.23	0.21		EX	3.04	3.02	3.23	3.04	3.18	3.11	3.04	3.03
Girdle Valley, %	1.45	1.28	1.65	0.38	E	EX	1.63	1.43	1.31	1.28	1.48	1.65	1.47	1.39
							1.43	1.58	1.63	1.38	1.34	1.31	1.39	1.49
Star: Upper ratio, %	55.08:	54.03:	56.31:	2.28			54.03:	56.06:	54.66:	54.04:	55.38:	55.52:	56.31:	54.66:
	44.92	45.97	43.69				45.97	43.94	45.34	45.96	44.62	44.48	43.69	45.34
Star angle, °	22.14	21.87	22.35	0.48		EX	22.16	22.20	22.02	21.87	22.33	22.35	22.21	22.00
Upper girdle angle, °	41.57	41.26	42.00	0.74		EX	41.50	41.71	41.42	41.48	41.43	41.36	41.32	41.80
							41.39	41.46	41.26	41.83	41.79	42.00	41.82	41.61
Lower girdle angle / Halves angle, °	42.07	41.86	42.22	0.36		EX	41.86	41.96	42.11	42.20	42.12	42.08	42.16	42.19
							42.22	42.11	42.00	42.04	42.07	42.07	42.01	41.90
Twist, °	0.40	0.15	0.75	0.60		EX	0.33	0.19	0.35	0.15	0.41	0.75	0.55	0.43
Crown height, mm	0.842	0.837	0.849	0.012	E	EX	0.849	0.848	0.839	0.837	0.838	0.837	0.843	0.848
Pavilion depth, mm	2.529	2.517	2.537	0.020	N/A	EX	2.517	2.527	2.537	2.530	2.537	2.527	2.529	2.529
Table, mm	3.352	3.350	3.353	0.003	Grading	EX	3.353	3.351	3.350	3.353
Culet, mm	0.023	0.021	0.024	0.003	E	EX
Girdle Bezel, mm	0.180	0.172	0.187	0.015	E	EX	0.187	0.176	0.175	0.184	0.175	0.187	0.179	0.172
Girdle Bone, mm	0.180	0.177	0.189	0.012		EX	0.178	0.177	0.189	0.178	0.186	0.181	0.178	0.177
Girdle Valley, mm	0.085	0.075	0.097	0.022	E	EX	0.095	0.084	0.077	0.075	0.086	0.097	0.086	0.081
							0.083	0.092	0.095	0.081	0.078	0.076	0.081	0.087
Fish eye effect, °	8.75				N/A
Culet through Crown Bezel, °	12.36				N/A
Measurement as per OctoNus theory
Crown angle, °	34.03	33.97	34.07	0.10			34.07	34.03	33.97	34.03
Pavilion angle, °	40.98	40.95	41.03	0.08			40.95	40.96	41.03	40.99

Azimuths deviation from ideal, °	1	2	3	4	5	6	7	8
Pavilion	0.00	-0.02	0.33	0.12	0.10	-0.48	-0.64	-0.10
Lower girdle facets / Halves	0.03	0.08	0.22	0.41	0.01	0.20	-0.10	-0.08
	-0.31	-0.18	-0.53	-0.42	-0.29	-0.35	-0.06	-0.16
Crown	0.33	0.17	-0.03	0.27	0.51	0.27	-0.09	0.34
Upper girdle facets	0.26	-0.48	-0.44	0.25	0.29	0.35	0.00	-0.34
	-0.16	0.42	-0.24	-0.41	-0.29	0.32	0.65	0.31
Star facets	0.95	1.09	1.10	1.14	0.99	0.92	1.02	0.89

	Girdle center		Culet center		Table center

Offset
Girdle-Culet offset by table axis	0.11 ± 0.22, %	0.007 ± 0.013, mm
Girdle-Table offset by table axis	0.14 ± 0.19, %	0.008 ± 0.011, mm
Table-Culet offset by table axis	0.07 ± 0.23, %	0.004 ± 0.014, mm
Girdle to table-culet line offset	0.07, %	0.004, mm

Culet shift ratio by main diameter
Main diameter (avg)	5.841, 100%
Width-wise culet shift ratio	2.915 mm, 49.91 %	2.927 mm, 50.11 %
Lengh-wise culet shift ratio	2.923 mm, 50.05 %	2.919 mm, 49.98 %

Paint / Dug	Avg	Type	Sym	Max	Dev	Sym
Crown painting, °	-0.02		EX	0.85	1.52	EX
Crown painting, notches	0.0, Negligible			0.2	0.4
Pavilion painting, °	-0.03		EX	-0.41	0.77	EX
Pavilion painting, notches	0.0, Negligible			0.1	0.2

Paint / Dug	1	2	3	4	5	6	7	8
Crown painting, °	-0.08	0.65	-0.61	-0.28	0.32	-0.08	-0.27	0.85
	-0.67	-0.15	-0.51	0.32	-0.20	0.02	0.32	0.03
Crown painting, notches	0.0	0.2	0.2	0.1	0.1	0.0	0.1	0.2
	0.2	0.0	0.1	0.1	0.1	0.0	0.1	0.0
Pavilion painting, °	0.03	-0.10	0.24	-0.09	-0.32	-0.08	-0.22	0.18
	-0.41	-0.30	-0.05	-0.22	0.36	0.25	0.04	0.16
Pavilion painting, notches	0.0	0.0	0.1	0.0	0.1	0.0	0.1	0.0
	0.1	0.1	0.0	0.1	0.1	0.1	0.0	0.0

 

Cut parameters description

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