1ct Diaspore (Trillion, 7.42×7.42mm, Dark Red) vs 1ct Diopside (Trillion, 7.49×7.49mm, Black)
Quick summary: When looked from above (face-up position), 1ct Diopside (7.49×7.49mm, trillion cut) appears 2% larger than 1ct Diaspore (7.42×7.42mm, trillion cut). See below how they compare side-by-side on a ring and finger.
| 1ct Diaspore (trillion cut) |
vs
|
1ct Diopside (trillion cut) |
|
dark red |
|
|
| 7.42×7.42 mm | 7.49×7.49 mm | |
| actual size | ||
|
|
|
Actual size is set for screen
|
Ring:
Skin tone:
Ring width: 3.0 mm
|
|
64 mm |
|
|
|||||||||||||||||
|
|||||||||||||||||||||
Actual sizes of
1ct Diaspore Trillion (7.42×7.42mm, Dark Red)
and
1ct Diopside Trillion (7.49×7.49mm, Black)
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, Diaspore will face-up smaller than Diopside for a given
carat weight, because it has higher specific gravity
(3.4 vs. 3.3 - this means it's "heavier" compared to Diopside 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 Ct Diaspore (Trillion) | 1 Ct Diopside (Trillion) | |
| 7.42×7.42 mm | vs | 7.49×7.49 mm |
| 34.13 mm² | 34.78 mm² |
| 1ct Diaspore Trillion (7.42×7.42mm) | |
| 1ct Diopside Trillion (7.49×7.49mm) | |
| Difference: 2% (0.65 mm²) |
1ct Diopside (Trillion, 7.49×7.49mm) has approx. 2% more face-up area than 1ct Diaspore (Trillion, 7.42×7.42mm).
Popular comparisons:
- 1ct Diaspore (Trillion, Light Yellowish Green, 7.42 x 7.42) vs. 0.75ct Spinel (Pear, Red, 7.82 x 4.71)
- 1ct Diaspore (Trillion, Light Yellowish Green, 7.42 x 7.42) vs. 1ct Alexandrite (Emerald, Bluish Green, 6.55 x 4.85)
- 1ct Diaspore (Trillion, Light Yellowish Green, 7.42 x 7.42) vs. 1ct Alexandrite (Oval, Bluish Green, 7.77 x 5.18)
- 2.7ct Ruby (Pear, Red, 10 x 7) vs. 3ct Ruby (Emerald, Red, 9 x 7)
- 1.5ct Tourmaline (Round, Light Red, 7.45 x 7.45) vs. 1.5ct Sapphire (Round, Light Blue, 6.84 x 6.84)
- 1ct Kyanite (Oval, Blue, 7.77 x 5.18) vs. 1ct Tanzanite (Oval, Blue, 8.07 x 5.38)
- 1ct Aquamarine (Oval, Light Blue, 8 x 6) vs. 1ct Spinel (Oval, Gray, 8 x 6)
- 1.16ct Diamond (Round, White, 6.82 x 6.85) vs. 1.2ct Diamond (Round, White, 6.82 x 6.86)