3.5ct Tourmaline (Cushion, 9.19×9.19mm, Purple) vs 3.5ct Sapphire (Cushion, 8.4×8.4mm, Blue)
Quick summary: When looked from above (face-up position), 3.5ct Tourmaline (9.19×9.19mm, cushion cut) appears 20% larger than 3.5ct Sapphire (8.4×8.4mm, cushion cut). See below how they compare side-by-side on a ring and finger.
| 3.5ct Tourmaline (cushion cut) |
vs
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3.5ct Sapphire (cushion cut) |
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purple |
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| 9.19×9.19 mm | 8.4×8.4 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
3.5ct Tourmaline Cushion (9.19×9.19mm, Purple)
and
3.5ct Sapphire Cushion (8.4×8.4mm, 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.
| 3.5 Ct Tourmaline (Cushion) | 3.5 Ct Sapphire (Cushion) | |
| 9.19×9.19 mm | vs | 8.4×8.4 mm |
| 76.01 mm² | 63.5 mm² |
| 3.5ct Tourmaline Cushion (9.19×9.19mm) | |
| 3.5ct Sapphire Cushion (8.4×8.4mm) | |
| Difference: 20% (12.51 mm²) |
3.5ct Tourmaline (Cushion, 9.19×9.19mm) has approx. 20% more face-up area than 3.5ct Sapphire (Cushion, 8.4×8.4mm).
Popular comparisons:
- 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)
- 7.56ct Tourmaline (Cushion, Dark Green, 10.69 x 10.69) vs. 8.8ct Tourmaline (Oval, Dark Yellowish Green, 15.22 x 11.45)
- 3.9ct Tourmaline (Cushion, Light Yellow, 9.58 x 9.58) vs. 3.6ct Diamond (Cushion, White, 8.93 x 8.93)
- 6ct Tourmaline (Cushion, Light Yellow, 11.06 x 11.06) vs. 3.6ct Diamond (Cushion, White, 8.93 x 8.93)
- 3.87ct Tourmaline (Cushion, Green, 10.08 x 8.15) vs. 5.18ct Tourmaline (Oval, Dark Green, 13 x 10.5)