Diamond and Gemstone Codes

1 Charles & Colvard Created Moissanite - White Man made, slightly tinted greenish yellow, occasionally near colorless crystal material, good cut, very high dispersion N
2 Chatham Laboratory Created Alexandrite Eye visible inclusions depending on type of light and its source. Its unique color-changing SYN
3 Chatham Laboratory Created Emerald Medium/light in color; some cloudiness, noticeable inclusions. SYN
4 Chatham Laboratory Created Emerald Minimal eye visible inclusions, medium/dark green, good cut SYN
5 Chatham Laboratory Created Ruby Medium/light in color; some cloudiness, noticeable inclusions. SYN
6 Chatham Laboratory Created Ruby Minimal eye visible inclusions, medium/dark blood red, good cut SYN
7 Chatham Laboratory Created Sapphire Medium dark blue, slightly included, not eye visible. SYN
8 Cubic Zirconia Transparent, fine material, excellent cut & polish.SYN
9 Cubic Zirconia Machine Cut Transparent, fine material, machine cut. SYN
10 Cubic Zirconia Pointed Triangle Transparent, fine material, excellent cut & polish. SYN
11 Cubic Zirconia Trillion Transparent, fine material, excellent cut & polish. SYN
12 Cultured Pearl - Black Medium grey to black, minor blemishes, very good luster. D
13 Cultured Pearl - Mahe' White, good luster, good shape. ASBL
14 Cultured Pearl - South Seq White Very light cream to white, minor blemishes, very good luster, near-round to round. N
15 Cultured Pearl - Tahitian Black Medium grey to black, minor blemishes, very good luster, near-round to round. N
16 Cultured Pearl - White Very light cream to pinkish-white to white, minor blemishes, very good luster. E
17 Cultured Pearl Strand Very light cream to grayish-white, minimal blemishes, high luster. E
18 Cultured Pearl Strand Very light cream to pinkish-white, few blemishes, very good luster. E
19 Cultured Pearl Strand Very light cream to yellowish-white, blemishes, medium luster. E
20 Diamond Baguette Straight Very slightly included, VS G-I color, good cut, good polish. N
21 Diamond Baguette Straight Slightly included to imperfect, SI2-11 G-1 color, good cut, good polish. N
22 Diamond Baguette Taper Very slightly included, VS G-I color, good cut, good polish. N
23 Diamond Baguette Taper Slightly included to imperfect, SI2-11 G-I color, good cut, good polish. N
24 Diamond Emerald Cut Very slightly included, VS G-I color, good cut, good polish. N
25 Diamond Marquise Slightly included, Sl I G-I color, good cut, good polish. N
26 Diamond Marquise Slightly included to imperfect, SI2-11 G-I color, good cut, good polish. N
27 Diamond Oval Slightly included, SI 1 -2 G-I color, good cut, good polish. N
28 Diamond Oval Very slightly included, VS G-I color, good cut, good polish. N
29 Diamond Pear Slightly included, SI1-2 G-I color, good cut, good polish. N
30 Diamond Round Slightly included, SI1-2 G-I color, good cut, good polish. N
31 Diamond Round Very slightly included, VS G-I color, good cut, good polish. N
32 Diamond Round Slightly included to imperfect, SI2-11 G-I color, good cut, good polish. N
33 Diamond Round More inclusions can be seen with the eye, I1 G-I color, good cut, good polish. N
34 Diamond Square Princess Very slightly included to slightly included , VS- SI G-I color, good cut, good polish. N
35 Diamond Square Princess Slightly included to imperfect, SI2-11 G-I color, good cut, good polish. N
36 Diamond Square Step Cut Very slightly included to slightly included, VS- Sl G-I color, good cut, good polish. N
37 Diamond Square Step Cut Slightly included to imperfect, SI2-11 G-I color, good cut, good polish. N
38 Diamond Triangle Slightly included, SI 1 -2 G-I color, good cut, good polish. N
39 Fresh Water Cultured Pearl Very light cream to pinkish-white to white, minor blemishes, very good luster. E
40 Fresh Water Cultured Pearl - Black Varying hues of black, minor blemishes, very good luster. D
41 Fresh Water Cultured Pearl Strand Very light cream to grayish-white, minimal blemishes, high luster, spherical shape. E
42 Fresh Water Cultured Pearl Strand Very light cream to yellowish-white, minimal blemishes, medium luster, spherical shape. E
43 Genuine Amethyst Medium/dark, eye clean, little or no color zoning, good cut. E
44 Genuine Amethyst Cab Medium/dark, slightly included, little or no color zoning, good cut. E
45 Genuine Aquamarine Clean, medium color, good cut. H
46 Genuine Blue Zircon Eye clean, medium/dark, slightly greenish blue, good cut H
47 Genuine Chalcedony - Blue translucent to opaque, light/med. Powder blue, medium dome N
48 Genuine Citrine Dark gold to goldish-orange, medium dark, eye clean, good cut, little or no color zoning. H
49Genuine Citrine Cab Dark gold to goldish-orange, medium dark, eye clean, good cut, little or no color zoning. H
50 Genuine Emerald Medium color, slightly included, good cut, good polish. E
51 Genuine Emerald Slightly included, med. dark color, good cut, good polish E
52 Genuine lolite Clean, medium-dark blue, good cut, good polish. N
53 Genuine jade Cab Nephrite Jade, apple/green, medium to medium/dark, good polish, good cut, low cab. N
54 Genuine Lapis Cab Medium/dark, some gold flakes (Pyrite), even color, good polish, dyed, medium dome. D
55 Genuine London Blue Topaz Medium/dark grayish-blue, clean, good cut, good polish, good brilliance. R
56 Genuine London Blue Topaz Cab Medium/dark grayish-blue, good polish, good cut. R
57 Genuine Mozambique Garnet Clean, medium/dark, red/orange brown, good cut. N
58 Genuine Mozambique Garnet Cab Clean, medium/dark, red/orange brown, good cut. N
59 Genuine Onyx Black, good polish, good cut. D
60 Genuine Opal Cab White background, medium fire, (color range-blue & greens, greens, blues or reds). N
61 Genuine Peridot Clean, medium/dark, slightly yellowish-green, good cut. N
62 Genuine Peridot Cab Clean, medium/dark, slightly yellowish-green, good cut. N
63 Genuine Rhodolite Garnet Eye clean, medium/dark, raspberry to plumb, good cut. N
64 Genuine Rhodolite Garnet Cab Eye clean, medium/dark, raspberry to plumb, good cut. N
65 Genuine Ruby Medium color, slightly included, pinkish-red to red, good cut, good polish. H
66 Genuine Ruby Eye clean, medium dark pinkish red, brilliance, good cut, good polish H
67 Genuine Sapphire - Blue Eye clean, medium to medium/dark, good cut, good polish, good brilliance, little or no color zoning. H
68 Genuine Sapphire - Blue Eye clean, medium/dark, good cut, good polish, good brilliance, little or no color zoning. H
69 Genuine Sapphire - Blue Cab Eye clean, medium to medium/dark, good cut, good polish, good brilliance, little or no color zoning. H
70 Genuine Sapphire - Pink Medium to medium-dark pink, eye clean, good cut, good polish. H
71 Genuine Sapphire - Yellow Eye clean, medium yellow, brilliance, good cut, good polish H
72 Genuine Signity Citrine Dark gold to goldish-orange, medium dark, Eye clean, machine cut, little or no color zoning. H
73 Genuine Signity Periclot Clean, medium/dark, apple green, machine cut. N
74 Genuine Signity Sapphire Minimal eye visible inclusions, light/medium color, machine cut. H
75 Genuine Sky Blue Topaz Eye clean, bright light blue, good cut, good polish R
76 Genuine Spinel - Blue Medium/dark blue, clean, good cut, good polish, good brilliance. N
77 Genuine Swiss Blue Topaz Medium/dark, vibrant blue, clean, good cut, good polish, good brilliance. R
78 Genuine Swiss Blue Topaz Cab Medium/dark, vibrant blue, clean, good cut, good polish, good brilliance. R
79 Genuine Tanzanite Clean, medium dark, bluish purple, good cut, good polish, good brilliance. H
80 Genuine Tanzanite Cab Eye clean, medium, bluish purple, brilliance, good cut, good polish, little or no color zoning H
81 Genuine Tourmaline - Green Clean to slightly included, medium to dark olive green, good cut, good polish. E
82 Genuine Tourmaline - Green Cab Clean to slightly included, medium to dark olive green, good cut, good polish. E
83 Genuine Tourmaline - Pink Clean, medium color, bright pink, good cut, good polish. E
84 Genuine Tsavorite Garnet Medium/dark forest green, clean, good cut, good polish, very good brilliance.
85 Imitation Amethyst Medium/dark purple, clean, good cut, good polish. N
86 Imitation Aquamarine Medium bluish green color, good cut. N
87 Imitation Grey Pearl Varying hues of gray, good luster, spherical. N
88 Imitation Tanzanite Dark blue cabachon, good cut, good polish. N
89 Panache Fresh Water Cultured Pearl - Black Varying hues of black, color enhanced, minor blemishes, very good luster, semi round R
90 Panache Fresh Water Cultured Pearl - White Light cream to white, minimal blemishes, very good luster, round B
91 Panache Fresh Water Cultured Pearl - White Light cream to white, minimal blemishes, very good luster, button & drop B
92 Panache Fresh Water Cultured Pearl - White Light cream to white, minimal blemishes, very good luster, roundel B
93 Panache Fresh Water Cultured Pearl - White Light cream to white, minimal blemishes, very good luster, semi round B
94 Panache Fresh Water Cultured Pearl - White Light cream to white, irregular surface, good luster, fireeform shape B
95 Panache Fresh Water Cultured Pearl - White Light cream to white, minimal blemishes, very good luster, potato (oblong) shape B
96 Panache Fresh Water Cultured Pearl - White Light cream to white, minimal blemishes, very good luster, button B
97 Panache Freshwater Cultured Pearl - Black Varying hues of black, color enhanced, minor blemishes, very good luster, round R
98 Panache Freshwater Cultured Pearl - Black Varying hues of black, color enhanced, minor blemishes, very good luster, button R
99 Synthetic Spinel Medium/dark blue, clean, good cut, good polish. SYN
100 Freshwater Cultured Pearl - Gray Varying hues of gray, minimal blemishes, good luster, button D

Diamond Size Ranges ,

We take pride in offering great value and quality. In order for us to offer this value, it is necessary to buy and sell diamonds in weight ranges. To help assist you in understanding these ranges, we have provided the following chart of size tolerances. Diamond weights apply to both solitaires and multiple stone diamond jewelry.

Diamond carat weight or total diamond weight in product descriptions	Diamond carat weight or total diamond weight in product range set in product	Diamond carat weight or total diamond weight in product descriptions	Diamond carat weight or total diamond weight in product range set in product
accent	.004 minimum	1 1/5	1.18 minimum
0.01	.008 minimum	1 1/4	1.23 minimum
0.015	.012 minimum	1 1/3	1.29 minimum
0.02	.015 minimum	1 3/8	1.37 minimum
0.025	.02 minimum	1 1/2	1.45 minimum
0.03	.025 minimum	1 5/8	1.60 minimum
0.035	.03 minimum	1 3/4	1.66 minimum
0.04	.035 minimum	1 7/8	1.84 minimum
0.05	.045 minimum	2	1.96 minimum
0.06	.055 minimum	2 1/5	2.18 minimum
0.07	.065 minimum	2 1/4	2.23 minimum
0.08	.075 minimum	2 3/8	2.37 minimum
1/10	.09 minimum	2 1/2	2.45 minimum
1/8	.12 minimum	2 3/4	2.66 minimum
1/6	.14 minimum	3 1/5	3.18 minimum
1/5	.18 minimum	3 1/3	3.29 minimum
1/4	.23 minimum	3 1/2	3.45 minimum
1/3	.29 minimum	4	3.96 minimum
3/8	.37 minimum	4 1/2	4.45 minimum
1/2	.45 minimum	6	5.96 minimum
5/8	.60 minimum	6 1/4	6.23 minimum
3/4	.66 minimum	8 1/3	8.29 minimum
7/8	.84 minimum	8 3/8	8.37 minimum
9/10	.9 minimum
1	.96 minimum
1 1/8	1.10 minimum
1 1/6	1.14 minimum

Enhancement: Any treatment process other than cutting and polishing that improves the appearance (cotor/clarity/phenomena), durability, or availability ofa gem- stones.
N The "N" symbol appears on the chart only for natural stones which are not currently known to be enhanced, however, the "N" symbol can also be used for other stones in the event that a stone has received no enhancement, and the seller will provide a guarantee that there has been none.
B Bleaching: The use of heat, light and/or other agents to lighten or remove a gemstone's color.
E The "E" symbol indicates that a gemstone is routinely enhanced.
D Dyeing: The introduction of coloring matter into a gemstone to give it new color, intensity present color or improve color uniformity.
H Heating: The use of heat to effect desired alteration of color, clarity, and/or phenomena. Residue of foreign substances in open fractures is not visible under properly illuminated IOX magnification.
R Irradiation: The use of neutron, requiring an environmental safety release from the Nuclear Regulatory Commission (NRC), with the combination on any other bombardment and/or treatment to alter a gemstone's color.
SYN Synthetic: The reproduction of natural gems, with essentially the same composition and structure as their natural counterparts.
ASBL Assembled: The process of producing a single stone from two or more separate pieces.


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