3ct Topaz (Princess, 8.08×8.08mm, Blue) vs 3ct Tourmaline (Princess, 8.44×8.44mm, Violet)
Quick summary: When looked from above (face-up position), 3ct Tourmaline (8.44×8.44mm, princess cut) appears 9% larger than 3ct Topaz (8.08×8.08mm, princess cut). See below how they compare side-by-side on a ring and finger.
| 3ct Topaz (princess cut) |
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3ct Tourmaline (princess cut) |
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blue |
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| 8.08×8.08 mm | 8.44×8.44 mm | |
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Actual sizes of
3ct Topaz Princess (8.08×8.08mm, Blue)
and
3ct Tourmaline Princess (8.44×8.44mm, Violet)
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 Tourmaline for a given
carat weight, because it has higher specific gravity
(3.53 vs. 3.1 - this means it's "heavier" compared to Tourmaline 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.
| 3 Ct Topaz (Princess) | 3 Ct Tourmaline (Princess) | |
| 8.08×8.08 mm | vs | 8.44×8.44 mm |
| 65.29 mm² | 71.23 mm² |
| 3ct Topaz Princess (8.08×8.08mm) | |
| 3ct Tourmaline Princess (8.44×8.44mm) | |
| Difference: 9% (5.94 mm²) |
3ct Tourmaline Princess (8.44×8.44mm) has approx. 9% more face-up area than 3ct Topaz Princess (8.08×8.08mm).
Popular comparisons:
- 3ct Topaz (Princess, Blue, 8.08 x 8.08) vs. 4ct Topaz (Oval, Blue, 12 x 10)
- 3ct Topaz (Princess, Blue, 8.08 x 8.08) vs. 2ct Topaz (Princess, Blue, 7.06 x 7.06)
- 3ct Topaz (Princess, Blue, 8.08 x 8.08) vs. 2ct Topaz (Emerald, Blue, 8.38 x 6.21)
- 4.52ct Topaz (Princess, Blue, 9.27 x 9.27) vs. 1.21ct Diamond (Round, White, 6.93 x 6.93)
- 4.52ct Topaz (Princess, Blue, 9.27 x 9.27) vs. 0.65ct Citrine (Oval, Light Orange, 7.52 x 5.01)
- 0.9ct Topaz (Princess, Blue, 5.41 x 5.41) vs. 0.9ct Diamond (Cushion, White, 5.63 x 5.63)
- 2ct Topaz (Princess, Blue, 7.06 x 7.06) vs. 1ct Topaz (Princess, Blue, 5.6 x 5.6)
- 1ct Topaz (Princess, Blue, 5.6 x 5.6) vs. 1ct Diamond (Princess, White, 5.51 x 5.51)
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.