3.87ct Tourmaline (Cabochon, 11.7×7.8mm, Violet) vs 2.87ct Tourmaline (Oval, 11.7×7.8mm, Violet)
Quick summary: Compared gemstones have equal face-up area.
| 3.87ct Tourmaline (cabochon cut) |
vs
|
2.87ct Tourmaline (oval cut) |
|
violet |
|
|
| 11.7×7.8 mm | 11.7×7.8 mm | |
| actual size | ||
|
|
|
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
3.87ct Tourmaline Cabochon (11.7×7.8mm, Violet)
and
2.87ct Tourmaline Oval (11.7×7.8mm, Violet)
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
The face-up size depends on the shape of the gem, its weight and 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.
| 3.87 Ct Tourmaline (Cabochon) | 2.87 Ct Tourmaline (Oval) | |
| 11.7×7.8 mm | vs | 11.7×7.8 mm |
| 74.83 mm² | 74.83 mm² |

| 3.87ct Tourmaline Cabochon (11.7×7.8mm) | |
| 2.87ct Tourmaline Oval (11.7×7.8mm) | |
| Difference: 0% (0 mm²) |
3.87ct Tourmaline (Cabochon, 11.7×7.8mm) and 2.87ct Tourmaline (Oval, 11.7×7.8mm) have the same face-up area.
Popular comparisons:
- 1.2ct Tourmaline (Cabochon, Violet, 7.92 x 5.28) vs. 0.45ct Sapphire (Pear, Blue, 6.36 x 3.83)
- 4ct Tourmaline (Cabochon, Violet, 11.82 x 7.88) vs. 5ct Emerald (Cabochon, Green, 13.34 x 8.89)
- 1ct Tourmaline (Cabochon, Dark Bluish Green, 7.46 x 4.97) vs. 1ct Hiddenite (Cabochon, Green, 7.38 x 4.92)
- 1ct Tourmaline (Cabochon, Violet, 7.46 x 4.97) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 22ct Tourmaline (Cabochon, Purple, 20.97 x 13.98) vs. 22ct Quartz (Cabochon, Brown, 21.99 x 14.66)
- 4.98ct Tourmaline (Cabochon, Violet, 12.72 x 8.48) vs. 4.13ct Tourmaline (Cabochon, Violet, 11.96 x 7.97)
- 4.98ct Tourmaline (Cabochon, Violet, 12.72 x 8.48) vs. 4.13ct Ruby (Cabochon, Red, 10.98 x 7.32)
- 2.85ct Tourmaline (Cabochon, Violet, 10.56 x 7.04) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)