1.5ct Topaz (Oval, 9.03×6.02mm, Bluish Green) vs 1.34ct Sapphire (Trillion, 7.75×7.75mm, Dark Blue)
Quick summary: When looked from above (face-up position), 1.5ct Topaz (9.03×6.02mm, oval cut) appears 20% larger than 1.34ct Sapphire (7.75×7.75mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Topaz (oval cut) |
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1.34ct Sapphire (trillion cut) |
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bluish green |
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| 9.03×6.02 mm | 7.75×7.75 mm | |
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Actual sizes of
1.5ct Topaz Oval (9.03×6.02mm, Bluish Green)
and
1.34ct Sapphire Trillion (7.75×7.75mm, Dark Blue)
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, Sapphire will face-up smaller than Topaz for a given
carat weight, because it has higher specific gravity
(4 vs. 3.53 - this means it's "heavier" compared to Topaz 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.
| 1.5 Ct Topaz (Oval) | 1.34 Ct Sapphire (Trillion) | |
| 9.03×6.02 mm | vs | 7.75×7.75 mm |
| 44.58 mm² | 37.24 mm² |
| 1.5ct Topaz Oval (9.03×6.02mm) | |
| 1.34ct Sapphire Trillion (7.75×7.75mm) | |
| Difference: 20% (7.34 mm²) |
1.5ct Topaz Oval (9.03×6.02mm) has approx. 20% more face-up area than 1.34ct Sapphire Trillion (7.75×7.75mm).
Popular comparisons:
- 2.5ct Topaz (Oval, Blue, 10.7 x 7.13) vs. 6.25ct Diamond (Round, White, 11.97 x 11.97)
- 6ct Topaz (Oval, Blue, 14.33 x 9.55) vs. 6ct Diamond (Oval, White, 14.75 x 9.83)
- 3ct Topaz (Oval, Blue, 11 x 9) vs. 4ct Topaz (Oval, Blue, 12 x 10)
- 30ct Topaz (Oval, Blue, 24.5 x 16.33) vs. 10ct Aquamarine (Emerald, Light Bluish Green, 15.69 x 11.62)
- 25ct Topaz (Oval, Blue, 23.06 x 15.37) vs. 25ct Diamond (Oval, White, 23.73 x 15.82)
- 2ct Topaz (Oval, Blue, 9.93 x 6.62) vs. 0.41ct Topaz (Round, White, 4.63 x 4.63)
- 2ct Topaz (Oval, Blue, 9.93 x 6.62) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 1.5ct Topaz (Oval, White, 9.03 x 6.02) vs. 2ct Topaz (Oval, White, 9.93 x 6.62)
Enter your screen size (diagonal)
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Actual size is currently adjusted to screen.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.
If your screen (phone, tablet, or monitor) is not in diagonal, then the actual size of a gem, ring and finger will not be shown correctly.