1.5ct Tourmaline (Round, 7.45×7.45mm, Light Red) vs 1.5ct Sapphire (Round, 6.84×6.84mm, Light Blue)
Quick summary: When looked from above (face-up position), 1.5ct Tourmaline (7.45×7.45mm, round cut) appears 19% larger than 1.5ct Sapphire (6.84×6.84mm, round cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Tourmaline (round cut) |
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1.5ct Sapphire (round cut) |
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light red |
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| 7.45×7.45 mm | 6.84×6.84 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
1.5ct Tourmaline Round (7.45×7.45mm, Light Red)
and
1.5ct Sapphire Round (6.84×6.84mm, Light 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 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.
| 1.5 Ct Tourmaline (Round) | 1.5 Ct Sapphire (Round) | |
| 7.45×7.45 mm | vs | 6.84×6.84 mm |
| 43.59 mm² | 36.75 mm² |
| 1.5ct Tourmaline Round (7.45×7.45mm) | |
| 1.5ct Sapphire Round (6.84×6.84mm) | |
| Difference: 19% (6.84 mm²) |
1.5ct Tourmaline (Round, 7.45×7.45mm) has approx. 19% more face-up area than 1.5ct Sapphire (Round, 6.84×6.84mm).
Popular comparisons:
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Ruby (Oval, Red, 8.66 x 5.77)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Purple, 6.84 x 6.84)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Emerald, White, 7.3 x 5.41)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Blue, 6.84 x 6.84)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Ruby (Oval, Red, 8.2 x 6)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Quartz (Oval, Orangey Red, 9.93 x 6.62)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 11.5ct Sapphire (Round, Light Blue, 13.49 x 13.49)
- 1ct Tourmaline (Round, Light Green , 6.51 x 6.51) vs. 1ct Diamond (Round, White, 6.5 x 6.5)
Use the simulator on this page to play around with different ring and finger configurations.