1.5ct Sapphire (Oval, 8.66×5.77mm, White) vs 1.3ct Diamond (Oval, 8.87×5.91mm, White)
Quick summary: When looked from above (face-up position), 1.3ct Diamond (8.87×5.91mm, oval cut) appears 5% larger than 1.5ct Sapphire (8.66×5.77mm, oval cut). See below how they compare side-by-side on a ring and finger.
| 1.5ct Sapphire (oval cut) |
vs
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1.3ct Diamond (oval cut) |
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white |
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| 8.66×5.77 mm | 8.87×5.91 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
1.5ct Sapphire Oval (8.66×5.77mm, White)
and
1.3ct Diamond Oval (8.87×5.91mm, 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.
| 1.5 Ct Sapphire (Oval) | 1.3 Ct Diamond (Oval) | |
| 8.66×5.77 mm | vs | 8.87×5.91 mm |
| 40.97 mm² | 42.99 mm² |
| 1.5ct Sapphire Oval (8.66×5.77mm) | |
| 1.3ct Diamond Oval (8.87×5.91mm) | |
| Difference: 5% (2.02 mm²) |
1.3ct Diamond (Oval, 8.87×5.91mm) has approx. 5% more face-up area than 1.5ct Sapphire (Oval, 8.66×5.77mm).
Popular comparisons:
- 1.5ct Sapphire (Oval, White, 8.66 x 5.77) vs. 1.5ct Diamond (Oval, White, 9.29 x 6.19)
- 1.5ct Sapphire (Oval, White, 8.66 x 5.77) vs. 2.5ct Sapphire (Oval, Blue, 10.26 x 6.84)
- 1.5ct Sapphire (Oval, White, 8.66 x 5.77) vs. 2.15ct Sapphire (Cushion, Light Orange, 7.22 x 7.22)
- 1.5ct Sapphire (Oval, White, 8.66 x 5.77) vs. 0.75ct Ruby (Cushion, Red, 5.08 x 5.08)
- 1.5ct Sapphire (Oval, White, 8.66 x 5.77) vs. 0.05ct Diamond (Round, White, 2.39 x 2.39)
- 1.5ct Sapphire (Oval, White, 8.66 x 5.77) vs. 0.1ct Sapphire (Pear, Blue, 3.85 x 2.32)
- 1.5ct Sapphire (Oval, White, 8.66 x 5.77) vs. 1.52ct Diamond (Oval, White, 9.33 x 6.22)
- 1.5ct Sapphire (Oval, White, 8.66 x 5.77) vs. 0.1ct Sapphire (Round, Light Green , 3 x 3)