3.45ct Tourmaline (Emerald, 10.5×7.78mm, Green) vs 0.1ct Sapphire (Round, 2.5×2.5mm, Purple)
Quick summary: When looked from above (face-up position), 3.45ct Tourmaline (10.5×7.78mm, emerald cut) appears 15.5 times larger than 0.1ct Sapphire (2.5×2.5mm, round cut). See below how they compare side-by-side on a ring and finger.
| 3.45ct Tourmaline (emerald cut) |
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0.1ct Sapphire (round cut) |
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green |
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| 10.5×7.78 mm | 2.5×2.5 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
3.45ct Tourmaline Emerald (10.5×7.78mm, Green)
and
0.1ct Sapphire Round (2.5×2.5mm, Purple)
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 Tourmaline for a given
carat weight, because it has higher specific gravity
(4 vs. 3.06 - 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.
| 3.45 Ct Tourmaline (Emerald) | 0.1 Ct Sapphire (Round) | |
| 10.5×7.78 mm | vs | 2.5×2.5 mm |
| 75.97 mm² | 4.91 mm² |
| 3.45ct Tourmaline Emerald (10.5×7.78mm) | |
| 0.1ct Sapphire Round (2.5×2.5mm) | |
| Difference: 1447% (71.06 mm²) |
3.45ct Tourmaline (Emerald, 10.5×7.78mm) has approx. 1447% more face-up area than 0.1ct Sapphire (Round, 2.5×2.5mm). In other words, it's 15.47x larger.
Popular comparisons:
- 3.45ct Tourmaline (Emerald, Green, 10.5 x 7.78) vs. 1ct Sapphire (Cushion, Blue, 5.59 x 5.59)
- 3.45ct Tourmaline (Emerald, Green, 10.5 x 7.78) vs. 0.1ct Sapphire (Round, Purple, 2.77 x 2.77)
- 3.45ct Tourmaline (Emerald, Green, 10.5 x 7.78) vs. 0.1ct Sapphire (Round, Blue, 2.77 x 2.77)
- 3.45ct Tourmaline (Emerald, Green, 10.5 x 7.78) vs. 0.1ct Sapphire (Round, Light Violet, 2.77 x 2.77)
- 1.7ct Tourmaline (Emerald, Dark Green, 9 x 6) vs. 3ct Topaz (Emerald, Blue, 10 x 8)
- 1ct Tourmaline (Emerald, Light Green , 6.95 x 5.15) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
- 10ct Tourmaline (Emerald, Violet, 14 x 10) vs. 10ct Tourmaline (Emerald, Dark Bluish Green, 14 x 10)
- 1ct Tourmaline (Emerald, Light Red, 6.95 x 5.15) vs. 1ct Sapphire (Round, Blue, 5.98 x 5.98)