9ct Topaz (Trillion, 15.85×15.85mm, Blue) vs 9ct Beryl (Trillion, 17.29×17.29mm, Orange)
Quick summary: When looked from above (face-up position), 9ct Beryl (17.29×17.29mm, trillion cut) appears 19% larger than 9ct Topaz (15.85×15.85mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 9ct Topaz (trillion cut) |
vs
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9ct Beryl (trillion cut) |
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blue |
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| 15.85×15.85 mm | 17.29×17.29 mm | |
| actual size | ||
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Actual size is set for screen
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Ring:
Skin tone:
Ring width: 3.0 mm
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64 mm |
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Actual sizes of
9ct Topaz Trillion (15.85×15.85mm, Blue)
and
9ct Beryl Trillion (17.29×17.29mm, Orange)
as they would appear on a ring and finger.
Adjust the ring and finger size to get an idea of how these gemstones would look on your finger.
Where to buy?
For certified gemstones, high-end gemstone jewelry, and birthstone jewelry, see Blue Nile
Face-up Size
All things being equal, Topaz will face-up smaller than Beryl for a given
carat weight, because it has higher specific gravity
(3.53 vs. 2.72 - this means it's "heavier" compared to Beryl of the same size). Face-up size also depends heavily on the proportions of the cut.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
Face-up area is a measure of the size of the gem when viewed from above (as set in a ring). It tells you how big the gem is at the girdle plane.
| 9 Ct Topaz (Trillion) | 9 Ct Beryl (Trillion) | |
| 15.85×15.85 mm | vs | 17.29×17.29 mm |
| 155.76 mm² | 185.35 mm² |
| 9ct Topaz Trillion (15.85×15.85mm) | |
| 9ct Beryl Trillion (17.29×17.29mm) | |
| Difference: 19% (29.59 mm²) |
9ct Beryl (Trillion, 17.29×17.29mm) has approx. 19% more face-up area than 9ct Topaz (Trillion, 15.85×15.85mm).
Popular comparisons:
- 7ct Topaz (Trillion, Bluish Green, 14.02 x 14.02) vs. 7ct Sapphire (Trillion, Bluish Green, 13.45 x 13.45)
- 9ct Topaz (Trillion, Bluish Green, 15.24 x 15.24) vs. 9ct Sapphire (Trillion, Bluish Green, 14.62 x 14.62)
- 5ct Topaz (Trillion, Bluish Green, 12.53 x 12.53) vs. 5ct Sapphire (Trillion, Bluish Green, 12.02 x 12.02)
- 6ct Topaz (Trillion, Blue, 13.32 x 13.32) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 8ct Topaz (Trillion, Bluish Green, 14.66 x 14.66) vs. 8ct Sapphire (Trillion, Bluish Green, 14.06 x 14.06)
- 2ct Topaz (Trillion, Blue, 9.23 x 9.23) vs. 2ct Tourmaline (Emerald, Violet, 8.76 x 6.49)
- 1ct Topaz (Trillion, Light Bluish Green, 7.33 x 7.33) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 1ct Topaz (Trillion, Blue, 7.33 x 7.33) vs. 1ct Topaz (Princess, Bluish Green, 6 x 6)
- 2.5ct Topaz (Trillion, Blue, 9.95 x 9.95) vs. 2ct Diamond (Trillion, White, 9.75 x 9.75)