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ID: 4139782 pcs
thumb image of 5.9ct Trillion Facet Swiss Blue Topaz (ID: 413978)
5.86ct Topaz
9.12 x 9.08 x 5.38mm
USD 41.02
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ID: 4142552 pcs
thumb image of 5.1ct Trillion Facet Swiss Blue Topaz (ID: 414255)
5.13ct Topaz
9.16 x 9.07 x 4.96mm
USD 35.91
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ID: 3306774 pcs
thumb image of 1.6ct Trillion Facet Red Orange Sapphire (ID: 330677)
1.62ct Sapphire
4.16 x 4.12 x 2.77mm
USD 79.38
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ID: 3307025 pcs
thumb image of 1.6ct Trillion Facet Multicolor Sapphire (ID: 330702)
1.56ct Sapphire
4.09 x 4.04 x 2.50mm
USD 80.26
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ID: 3489231 pcs
thumb image of 48.5ct Trillion Cabochon Multicolor Jasper (ID: 348923)
48.51ct Jasper
38.06 x 27.58 x 6.95mm
USD 48.51
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ID: 4215111 pcs
thumb image of 1.1ct Trillion Facet Violet Blue Tanzanite (ID: 421511)
1.14ct Tanzanite
7.35 x 7.23 x 3.27mm
USD 132.46
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ID: 42315310 pcs
thumb image of 4.9ct Trillion Facet Purple Rose Rhodolite Garnet (ID: 423153)
4.85ct Rhodolite Garnet
5.02 x 4.99 x 2.80mm
USD 38.80
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ID: 37532810 pcs
thumb image of 2.3ct Trillion Facet Green Sapphire (ID: 375328)
2.25ct Sapphire
3.57 x 3.52 x 2.22mm
USD 66.82
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ID: 4104934 pcs
thumb image of 1.8ct Trillion Facet Purple Rose Rhodolite Garnet (ID: 410493)
1.78ct Rhodolite Garnet
5.00 x 4.93 x 2.75mm
USD 14.24
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ID: 4211711 pcs
thumb image of 1.3ct Trillion Facet Violet Blue Tanzanite (ID: 421171)
1.31ct Tanzanite
7.18 x 6.66 x 4.81mm
USD 152.21
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ID: 4165442 pcs
thumb image of 7.3ct Trillion Facet Swiss Blue Topaz (ID: 416544)
7.30ct Topaz
9.95 x 9.89 x 5.65mm
USD 46.06
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ID: 4240941 pcs
thumb image of 1.9ct Trillion Facet Violet Blue Tanzanite (ID: 424094)
1.88ct Tanzanite
8.11 x 8.00 x 4.33mm
USD 217.61
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ID: 2526431 pcs
thumb image of 0.7ct Trillion Facet Golden Brown to Orange Color-Change Garnet (ID: 252643)
0.68ct Color-Change Garnet
5.55 x 5.47 x 3.02mm
USD 61.20
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ID: 3583246 pcs
thumb image of 1.6ct Trillion Facet Pink Sapphire (ID: 358324)
1.60ct Sapphire
4.06 x 3.99 x 2.15mm
USD 120.78
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ID: 4226281 pcs
thumb image of 1ct Trillion Facet Green Tsavorite Garnet (ID: 422628)
1.00ct Tsavorite Garnet
5.75 x 5.73 x 3.75mm
USD 680.24
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ID: 4297364 pcs
thumb image of 2ct Trillion Facet Swiss Blue Topaz (ID: 429736)
1.98ct Topaz
5.23 x 5.05 x 3.22mm
USD 9.90
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ID: 37533510 pcs
thumb image of 2.2ct Trillion Facet Green Sapphire (ID: 375335)
2.16ct Sapphire
3.75 x 3.72 x 2.22mm
USD 64.15
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ID: 2715065 pcs
thumb image of 1.4ct Trillion Facet Pink Sapphire (ID: 271506)
1.38ct Sapphire
3.96 x 3.90 x 2.00mm
USD 108.68
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ID: 4086471 pcs
thumb image of 10.4ct Trillion Cabochon Spotted Green Bloodstone (ID: 408647)
10.36ct Bloodstone
14.33 x 14.10 x 9.98mm
USD 36.26
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ID: 4158741 pcs
thumb image of 4.1ct Trillion Facet Swiss Blue Topaz (ID: 415874)
4.09ct Topaz
9.97 x 9.75 x 6.36mm
USD 28.63
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ID: 4291626 pcs
thumb image of 1.9ct Trillion Facet Swiss Blue Topaz (ID: 429162)
1.90ct Topaz
4.21 x 4.15 x 3.04mm
USD 9.50
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Trillion Shaped Gems
When it comes to gemstones, shape and cut are are often used interchangeably. The reason is because the difference between the two isn't always obvious. Shape refers to the overall outline of a stone, while 'cut' refers the actual style, process or technique used to work the rough into finished gemstone pieces. Historically, a trilliant gem exhibits the basic trilliant design, featuring 43 facets cut into a triangular shape gemstone that has been worked into 1:1 ratio and cut with 43 facets. The 43 facets are based on the 'brilliant-cut' in order to maximize 'brilliance'. Like other brilliant cuts, the equilateral form of a well-cut trilliant gem should return a substantial degree of light and color to the eye. The trillion cutting style was originally introduced by the Asscher brothers (Asscher-cut) and was trademarked in 1962 by Henry Meyer Diamond Company of New York. Since the expiration of their 'trillion' patent, the term can be used to refer to all triangular shaped gems, even those which are not faceted.

Many trillions today are step-cut, scissor-cut, plain-cut, mixed-cut with undulating surfaces, and trillion gemstones are even cut en cabochon, featuring a flat bottom with a low or high dome depending on the type of gem. As long as the gemstone has a face-up outline or shape which resembles a triangle, then it can be described as a trillion-shaped gemstone. Gemstones like zircon, spinel, diamond, aquamarine, beryl and white sapphire are often cut as trillions to maximize brilliance, while darker gemstones such as tanzanite, spessartite garnet, rhodolite garnet and amethyst are given a trilliant cut in order to lighten and brighten color (rather than focusing on brilliance). Since most diamond-cut styles are modified for colored stones, many colored stone dealers use alternative terms that refer to shape rather than cut-style.
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart