6ct Tourmaline (Cushion, 11.06×11.06mm, Dark Yellowish Green) vs 4ct Sapphire (Cushion, 9×9mm, Dark Blue)
Quick summary: When looked from above (face-up position), 6ct Tourmaline (11.06×11.06mm, cushion cut) appears 51% larger than 4ct Sapphire (9×9mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 6ct Tourmaline (cushion cut) |
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4ct Sapphire (cushion cut) |
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dark yellowish green |
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| 11.06×11.06 mm | 9×9 mm | |
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64 mm |
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Actual sizes of
6ct Tourmaline Cushion (11.06×11.06mm, Dark Yellowish Green)
and
4ct Sapphire Cushion (9×9mm, 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 Tourmaline for a given
carat weight, because it has higher specific gravity
(4 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.
| 6 Ct Tourmaline (Cushion) | 4 Ct Sapphire (Cushion) | |
| 11.06×11.06 mm | vs | 9×9 mm |
| 110.09 mm² | 72.9 mm² |
| 6ct Tourmaline Cushion (11.06×11.06mm) | |
| 4ct Sapphire Cushion (9×9mm) | |
| Difference: 51% (37.19 mm²) |
6ct Tourmaline Cushion (11.06×11.06mm) has approx. 51% more face-up area than 4ct Sapphire Cushion (9×9mm).
Popular comparisons:
- 6ct Tourmaline (Cushion, Dark Yellowish Green, 11.06 x 11.06) vs. 4ct Sapphire (Cushion, Dark Blue, 8.88 x 8.88)
- 5.8ct Tourmaline (Cushion, Dark Green, 10.69 x 10.69) vs. 6.53ct Sapphire (Pear, Dark Green, 12.83 x 9.31)
- 1ct Tourmaline (Cushion, Violet, 6.09 x 6.09) vs. 1ct Tourmaline (Emerald, Violet, 6.95 x 5.15)
- 3.9ct Tourmaline (Cushion, Light Yellow, 9.58 x 9.58) vs. 6.3ct Tourmaline (Cushion, Light Yellow, 11.24 x 11.24)
- 6ct Tourmaline (Cushion, Light Yellow, 11.06 x 11.06) vs. 3ct Chrysoberyl (Cushion, Light Yellowish Green, 8.28 x 8.28)
- 5.5ct Tourmaline (Cushion, Dark Bluish Green, 10.75 x 10.75) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 3.9ct Tourmaline (Cushion, Light Yellow, 9.58 x 9.58) vs. 3.6ct Diamond (Cushion, White, 8.93 x 8.93)
- 1ct Tourmaline (Cushion, Violet, 6.09 x 6.09) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
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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.