7ct Diamond (Oval, 15.53×10.35mm, White) vs 7ct Sapphire (Oval, 14.48×9.65mm, White)
Quick summary: When looked from above (face-up position), 7ct Diamond (15.53×10.35mm, oval cut) appears 15% larger than 7ct Sapphire (14.48×9.65mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 7ct Diamond (oval cut) |
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7ct Sapphire (oval cut) |
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white |
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| 15.53×10.35 mm | 14.48×9.65 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
7ct Diamond Oval (15.53×10.35mm, White)
and
7ct Sapphire Oval (14.48×9.65mm, White)
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.
| 7 Ct Diamond (Oval) | 7 Ct Sapphire (Oval) | |
| 15.53×10.35 mm | vs | 14.48×9.65 mm |
| 131.8 mm² | 114.58 mm² |
| 7ct Diamond Oval (15.53×10.35mm) | |
| 7ct Sapphire Oval (14.48×9.65mm) | |
| Difference: 15% (17.22 mm²) |
7ct Diamond (Oval, 15.53×10.35mm) has approx. 15% more face-up area than 7ct Sapphire (Oval, 14.48×9.65mm).
Popular comparisons:
- 7ct Diamond (Oval, White, 15.53 x 10.35) vs. 7ct Diamond (Emerald, White, 12.78 x 9.47)
- 7ct Diamond (Oval, White, 15.53 x 10.35) vs. 10ct Diamond (Oval, White, 17.49 x 11.66)
- 7ct Diamond (Oval, White, 15.53 x 10.35) vs. 6ct Diamond (Oval, White, 15 x 10)
- 7ct Diamond (Oval, White, 15.53 x 10.35) vs. 5.5ct Diamond (Emerald, White, 11.8 x 8.74)
- 7ct Diamond (Oval, White, 15.53 x 10.35) vs. 15ct Aquamarine (Emerald, Light Bluish Green, 17.96 x 13.3)
- 7ct Diamond (Oval, White, 15.53 x 10.35) vs. 8ct Diamond (Oval, White, 16.23 x 10.82)
- 7ct Diamond (Oval, White, 15.53 x 10.35) vs. 6ct Diamond (Oval, White, 13.5 x 8.5)
- 7ct Diamond (Oval, White, 15.53 x 10.35) vs. 15ct Diamond (Oval, White, 20.01 x 13.34)