0.42ct Diamond (Oval, 6.29×3.89mm, White) vs 2.52ct Sapphire (Emerald, 6.4×8.32mm, Blue)
Quick summary: When looked from above (face-up position), 2.52ct Sapphire (6.4×8.32mm, emerald cut) appears 2.5 times larger than 0.42ct Diamond (6.29×3.89mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 0.42ct Diamond (oval cut) |
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2.52ct Sapphire (emerald cut) |
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white |
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| 6.29×3.89 mm | 6.4×8.32 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
0.42ct Diamond Oval (6.29×3.89mm, White)
and
2.52ct Sapphire Emerald (6.4×8.32mm, 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 Diamond for a given
carat weight, because it has higher specific gravity
(4 vs. 3.52 - this means it's "heavier" compared to Diamond 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.
| 0.42 Ct Diamond (Oval) | 2.52 Ct Sapphire (Emerald) | |
| 6.29×3.89 mm | vs | 6.4×8.32 mm |
| 20.06 mm² | 49.52 mm² |
| 0.42ct Diamond Oval (6.29×3.89mm) | |
| 2.52ct Sapphire Emerald (6.4×8.32mm) | |
| Difference: 147% (29.46 mm²) |
2.52ct Sapphire (Emerald, 6.4×8.32mm) has approx. 147% more face-up area than 0.42ct Diamond (Oval, 6.29×3.89mm). In other words, it's 2.47x larger.
Popular comparisons:
- 0.42ct Diamond (Oval, White, 6.29 x 3.89) vs. 1ct Diamond (Emerald, White, 6.54 x 4.62)
- 0.42ct Diamond (Oval, White, 6.29 x 3.89) vs. 3ct Diamond (Oval, White, 11.7 x 7.8)
- 0.42ct Diamond (Oval, White, 6.29 x 3.89) vs. 2ct Diamond (Oval, White, 10.23 x 6.82)
- 0.42ct Diamond (Oval, White, 6.29 x 3.89) vs. 1.01ct Diamond (Oval, White, 8.83 x 5.22)
- 0.42ct Diamond (Oval, White, 6.29 x 3.89) vs. 0.42ct Diamond (Round, White, 4.87 x 4.87)
- 0.42ct Diamond (Oval, White, 6.29 x 3.89) vs. 0.42ct Diamond (Round, White, 4.92 x 4.92)
- 0.42ct Diamond (Oval, White, 6.29 x 3.89) vs. 1ct Diamond (Oval, White, 8 x 6)
- 0.42ct Diamond (Oval, White, 6.29 x 3.89) vs. 0.42ct Diamond (Round, White, 5 x 5)