Jacoby Gems Gemstone Chart

Size	Stone
	AMETHYST CITRINE MORGANITE GREEN AMETHYST SMOKY LEMON WHITE-QUARTZ AQUAMARINE APETITE PINK TOURMALINE GREEN.TOURMALINE	SKY SWISS LONDONTOPAZ WHITE-TOPAZ RHODOLITE SPECETITE	GARNET	PERIDOT	IOLITE
OVAL
3 X 4	0.2	0.25	0.25	0.22	0.18
3 X 5	0.25	0.3	0.3	0.27	0.22
4 X 5	0.35	0.45	0.45	0.4	0.3
4 X 6	0.42	0.6	0.6	0.5	0.38
5 X 7	0.75	1	1	0.85	0.65
6 X 8	1.2	1.6	1.5	1.3	1
7 X 9	1.75	2.3	2.2	1.85	1.6
8 X 10	2.5	3.5	3.1	2.75	2.25
9 X 11	3.25	4.5	3.75	3.75	3
10 X 12	4.5	6	5.25	4.5	4
10 X 14	5.75	8.5	6.5	6.5	5.5
12 X 16	9	12	10	10	–
13 X 18	12	17	13.25	13	–
15 X 20	17	22	20	20	–

PEARS
3 X 4	0.18	0.22	0.22	0.2	0.16
3 X 5	0.22	0.27	0.26	0.23	0.2
4 X 6	0.38	0.52	0.52	0.45	0.35
5 X 7	0.65	0.9	0.9	0.75	0.55
5 X 8	0.85	1.1	1	0.9	0.8
6 X 8	1	1.3	1.25	1.1	0.95
6 X 9	1.35	1.85	1.75	1.5	1.2
7 X 10	2	2.75	2.5	2.2	1.8
8 X 12	3	3.75	3.5	3	2.75
9 X 13	3.75	4.75	4.65	4.4	3
9 X 14	4	5.6	5	4.75	3.5
10 X 14	4.25	6.3		6
10 X 15	5	6.6	5.75	7.5
2 X 16	6.75	10	10
13 X 18	9.75	14	13
15 X 20	16	18	18

OCTAGON
2	0.04	0.04	0.05	0.04	0.03
2.5	0.06	0.08	0.08	0.07	0.06
3	0.1	0.11	0.14	0.12	0.1
3.5	0.16	0.2	0.2	0.17	0.15
4	0.25	0.3	0.33	0.25	0.22
5	0.42	0.56	0.6	0.45	0.4
6	0.75	1	1	0.75	0.7
7	1.25	1.55	1.55	1.3	1
8	1.85	2.5	2.2	2.15	1.6
9	2.5	3	3	3	2.25
10	3.3	5.75	5.75	4	3
11	4.2	6.2	6.2	5.1	4
12	5.25	7.5	8.1	6.75
13	7	10.2
14	8	12.6	11
15	11	16
16	13	19

SQUARE
2 X 2	0.06	0.1	0.1	0.07	0.06
2.5 X 2.5	0.1	0.13	0.13	0.11	0.1
3 X 3	0.15	0.2	0.2	0.16	0.15
4 X 4	0.35	0.45	0.45	0.38	0.3
5 X 5	0.6	0.75	0.75	0.7	0.55
6 X 6	1.1	1.4	1.4	1.2	1
7 X 7	1.8	2	2	2	1.7
8 X 8	2.75	3	3	2.5	2.5
9 X 9	3.5	4	4.5	3.8	3.2
10 X 10	5	5.5	6.7	5	4.5

HEART
3	0.1	0.12	0.12	0.1	0.09
4	0.22	0.3	0.3	0.24	0.2
5	0.4	0.55	0.55	0.44	0.35
6	0.7	0.9	0.9	0.75	0.65
7	1.15	1.4	1.4	1.2	1
8	1.7	1.9	1.9	1.8	1.6
9	2.5	2.5	2.6	2.5	1.8
10	3.25	3.5	3.5	3.6	2.3
11	4.25	6	4.8
12	6	7.5	6
MARQUISE
2 X 4	0.1	0.15	0.09	0.1	0.08
2.5 X 5	0.15	0.22	0.16	0.16	0.12
3 X 6	0.25	0.3	0.25	0.25	0.22
3.5 X 7	0.35	0.5	0.42	0.35	0.35
4 X 8	0.5	0.7	0.6	0.55	0.4
5 X 10	1	1.2	1.2	1.1	0.9
6 X 12	1.6	1.8	2	1.7	1.5
7 X 14	2.45	3.4	2.85	2.55	2.1
7 X 15	3	5	3.4		2.4
8 X 16	4	6	4.5	3.5	3
9 X 18	6	7.5	6	5.2	5
10 X 20	7	10	8.15

TRILLION
3	0.1	0.15	0.15	0.1	0.1
4	0.25	0.4	0.4	0.25	0.22
5	0.5	0.65	0.65	0.5	0.4
6	0.8	1.2	1.2	0.9	0.7
7	1.2	1.6	1.5	1.3	1
8	2	2.5	2	2	1.5
9	2.75	4	2.7	2.5	1.8
10	3.5	5	3.5	3.8	2.2
11	4.5	5.5	5.35	4.5	3
12	5	7.5	7	5.8	4

BAGGUETTE
2 X 4	0.15	0.2	0.2	0.15	0.12
2.5 X 5	0.2	0.3	0.3	0.2	0.2
3 X 6	0.3	0.5	0.5	0.4	0.35
4 X 6	0.6	0.8	0.8	0.7	0.55
5 X 7	1	1.2	1.35	1.1	0.9
4 X 8	0.75	1.1	1.15	0.9	0.75
6 X 8	1.8	2	2.2	1.65	1.4
5 X 10	1.8	2	2.2	1.65	1.4

CUSHION SQ
4	0.3	0.33	0.33	0.33	0.23
5	0.5	0.7	70	0.65	0.52
6	0.85	1.1	1.1	1	0.8
7	1.3	1.75	1.75	1.75	1.2
8	2	2.4	2.4	2.4	1.85
9	3	4	4	3.35	2.5
10	4	5.5	5.5	4.3	3.8
11	5	7	7	6
12	6.5	8.5	8.5
13	8	10	10
14	9	14	11

CUSHION RECTANGLE
3 X 5	0.26	0.4	0.4	0.3
4 X 6	0.5	0.6	0.6	0.6	0.5
5 X 7	0.81	1.1	1.1	1	0.9
6 X 8	1.22	1.75	1.75	1.6	1.2
7 X 9	1.88	2.5	2.5	2.1	1.9
8 X 10	2.6	3.6	3.6	3.5	2.5
9 X 11	3.3	4.75	4.75	4.6	3.3
10 X 12	4.75	6.65	6.65	6	5
10 X 14	5.75	8	8	7.5
12 X 16	9	13
13 X 18	12	16
15 X 20	19	23