2.5ct Diopside (Princess, 7.6×7.6mm, Green) vs 2.5ct Emerald (Princess, 8.11×8.11mm, Green)
Quick summary: When looked from above (face-up position), 2.5ct Emerald (8.11×8.11mm, princess cut) appears 14% larger than 2.5ct Diopside (7.6×7.6mm, princess cut). See below how they compare side-by-side on a ring and finger.
| 2.5ct Diopside (princess cut) |
vs
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2.5ct Emerald (princess cut) |
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green |
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| 7.6×7.6 mm | 8.11×8.11 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
2.5ct Diopside Princess (7.6×7.6mm, Green)
and
2.5ct Emerald Princess (8.11×8.11mm, Green)
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, Diopside will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(3.3 vs. 2.72 - this means it's "heavier" compared to Emerald 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.
| 2.5 Ct Diopside (Princess) | 2.5 Ct Emerald (Princess) | |
| 7.6×7.6 mm | vs | 8.11×8.11 mm |
| 57.76 mm² | 65.77 mm² |
| 2.5ct Diopside Princess (7.6×7.6mm) | |
| 2.5ct Emerald Princess (8.11×8.11mm) | |
| Difference: 14% (8.01 mm²) |
2.5ct Emerald (Princess, 8.11×8.11mm) has approx. 14% more face-up area than 2.5ct Diopside (Princess, 7.6×7.6mm).
Popular comparisons:
- 1ct Diopside (Princess, Green, 5.73 x 5.73) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 1.5ct Diopside (Princess, Green, 6.56 x 6.56) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2ct Diopside (Princess, Green, 7.22 x 7.22) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 2.5ct Diopside (Princess, Green, 7.78 x 7.78) vs. 2ct Diamond (Round, White, 8.19 x 8.19)
- 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)