3.5ct Tourmaline (Oval, 12.5×8.33mm, Violet) vs 2ct Peridot (Oval, 10.11×6.74mm, Yellowish Green)
Quick summary: When looked from above (face-up position), 3.5ct Tourmaline (12.5×8.33mm, oval cut) appears 53% larger than 2ct Peridot (10.11×6.74mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 3.5ct Tourmaline (oval cut) |
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2ct Peridot (oval cut) |
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violet |
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| 12.5×8.33 mm | 10.11×6.74 mm | |
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Actual sizes of
3.5ct Tourmaline Oval (12.5×8.33mm, Violet)
and
2ct Peridot Oval (10.11×6.74mm, Yellowish Green)
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, Peridot will face-up smaller than Tourmaline for a given
carat weight, because it has higher specific gravity
(3.35 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.
| 3.5 Ct Tourmaline (Oval) | 2 Ct Peridot (Oval) | |
| 12.5×8.33 mm | vs | 10.11×6.74 mm |
| 85.38 mm² | 55.88 mm² |
| 3.5ct Tourmaline Oval (12.5×8.33mm) | |
| 2ct Peridot Oval (10.11×6.74mm) | |
| Difference: 53% (29.5 mm²) |
3.5ct Tourmaline Oval (12.5×8.33mm) has approx. 53% more face-up area than 2ct Peridot Oval (10.11×6.74mm).
Popular comparisons:
- 3.5ct Tourmaline (Oval, Violet, 12.5 x 8.33) vs. 2ct Fluorite (Oval, Bluish Green, 10.29 x 6.86)
- 3.5ct Tourmaline (Oval, Violet, 12.5 x 8.33) vs. 3.5ct Ruby (Oval, Red, 11.49 x 7.66)
- 3.5ct Tourmaline (Oval, Violet, 12.5 x 8.33) vs. 2ct Emerald (Emerald, Green, 8 x 8)
- 3.5ct Tourmaline (Oval, Violet, 12.5 x 8.33) vs. 0.27ct Emerald (Cushion, Green, 4.6 x 3.3)
- 3.5ct Tourmaline (Oval, Violet, 12.5 x 8.33) vs. 1.1ct Emerald (Round, Green, 7.04 x 7.04)
- 3.5ct Tourmaline (Oval, Violet, 12.5 x 8.33) vs. 1.25ct Tourmaline (Round, Violet, 7.01 x 7.01)
- 5.8ct Tourmaline (Oval, Violet, 14.79 x 9.86) vs. 8ct Sapphire (Oval, Blue, 15.12 x 10.08)
- 14ct Tourmaline (Oval, Light Purple, 19.85 x 14) vs. 14ct Kunzite (Oval, Light Purple, 19.68 x 14)
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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.