0.3ct Diamond (Cushion, 3.9×3.9mm, White) vs 0.12ct Emerald (Baguette, 3.9×2.6mm, Green)
Quick summary: When looked from above (face-up position), 0.3ct Diamond (3.9×3.9mm, cushion cut) appears 35% larger than 0.12ct Emerald (3.9×2.6mm, baguette cut). See below how they compare side-by-side on a ring and finger.
| 0.3ct Diamond (cushion cut) |
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0.12ct Emerald (baguette cut) |
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white |
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| 3.9×3.9 mm | 3.9×2.6 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
0.3ct Diamond Cushion (3.9×3.9mm, White)
and
0.12ct Emerald Baguette (3.9×2.6mm, 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, Diamond will face-up smaller than Emerald for a given
carat weight, because it has higher specific gravity
(3.52 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.
| 0.3 Ct Diamond (Cushion) | 0.12 Ct Emerald (Baguette) | |
| 3.9×3.9 mm | vs | 3.9×2.6 mm |
| 13.69 mm² | 10.14 mm² |
| 0.3ct Diamond Cushion (3.9×3.9mm) | |
| 0.12ct Emerald Baguette (3.9×2.6mm) | |
| Difference: 35% (3.55 mm²) |
0.3ct Diamond (Cushion, 3.9×3.9mm) has approx. 35% more face-up area than 0.12ct Emerald (Baguette, 3.9×2.6mm).
Popular comparisons:
- 0.3ct Diamond (Cushion, White, 3.9 x 3.9) vs. 0.4ct Diamond (Cushion, White, 4.29 x 4.29)
- 0.3ct Diamond (Cushion, White, 3.9 x 3.9) vs. 1ct Emerald (Emerald, Green, 7.28 x 5.39)
- 0.3ct Diamond (Cushion, White, 3.9 x 3.9) vs. 0.2ct Diamond (Cushion, White, 3.41 x 3.41)
- 0.3ct Diamond (Cushion, White, 3.9 x 3.9) vs. 0.5ct Diamond (Cushion, White, 4.62 x 4.62)
- 0.3ct Diamond (Cushion, White, 3.9 x 3.9) vs. 0.3ct Diamond (Round, White, 4.35 x 4.35)
- 0.3ct Diamond (Cushion, White, 3.9 x 3.9) vs. 1.29ct Sapphire (Cushion, Blue, 6.34 x 5.56)
- 0.3ct Diamond (Cushion, White, 3.9 x 3.9) vs. 0.8ct Emerald (Cushion, Green, 5.92 x 5.92)
- 0.3ct Diamond (Cushion, White, 3.9 x 3.9) vs. 0.5ct Diamond (Round, White, 5.16 x 5.16)